consolidated sheetTAMIL NADU TRANSMISSION CORPORATION LIMITEDConsolidation of LC for the month of May 2017 at 3rd TNSOCC MeetingTransmission Lines / Elements DetailsProposed Date & TimeSl. NoName of the LDCP_IdVoltage Level (KV)From SubstationTo SubstationPurposeconditionsCkt IDDaily (D) / Continuous ( C)RecommendationsFrom DateFrom TimeTo DateTo TimeNo. of daysRemarksSE Approval1Madurai54100110 KVTUTICORIN -AUTO 230 KV110KV TTN-SIPCOT-III (Section between 230KV Auto SS - 110KV Town SS)To carry out the improvement to upgrade the existing leopard conductor to panther conductor at loc.No 1-69 (TLC work)No ss will be affected. During the above LC period 110KV Town SS will be radially fed from 230KV Sipcot SSID0Mon", "01-May-20179:00Sun", "07-May-201717:007LONG LC. NOTE TO BE PUTUPNote put up2Madurai54121110 KVTUTICORIN -AUTO 230 KVOn 110KV TTN-Sipcot-III feeder (Sec between 230KV Auto SS and 110KVTown SS )To carry out the improvement to upgrade the existing leopard conductor to panther conductor.No ss will be affected. During the above LC period 110KV Town SS will be radially fed from 230KV Sipcot SSID0Mon", "01-May-20179:00Wed", "03-May-201717:0030Note put up3Madurai54127110 KVTUTICORIN -AUTO 230 KVOn 110KV TTN-ARMNI-I feederTo Carry out the balance portion (At loc.No.24-27) of improvement works as per BP No: 20 dt.22.01.2014.No ss will be affected.ID0Mon", "01-May-20179:00Wed", "03-May-201717:0030Note put up4Chennai54436110 KVSriperumbudur 400 KV110KV SRIPERUMBUDUR-SVC-MOSUR-II AEE/M/SPR Entirequartely maintenance and jumper tightness workduring the shutdown period there will be no supply to the EHT Consumers and concurrence of the EHT consumers has been obtainedIDPostponed to 7th MayMon", "01-May-20179:00Mon", "01-May-201717:0010Approved subject to Grid condition5Chennai54486110 KVSunguvarchatram 400 KV110KV Sunguvarchatram-Sriperumbudur/mosur-2 Feeder entireQuarterly Maintenance workDuring the above LC period 110KV SVC-Spdr/Msr-2 feeder in off condition.IDPostponed to 7th MayMon", "01-May-20179:00Mon", "01-May-201717:0010Approved subject to Grid condition6Chennai54651110 KVORAGADAM 230 KV110KV Renault Nissan feederQuarterly maintenanceAll 230KV& 110 kv feeders will be in serviceIDPossibleMon", "01-May-20179:00Mon", "01-May-201717:0010Approved7Madurai53998230 KVEACHANGADU 230 KV50 MVA Auto Transformer-1, HV-1 and LV1-1 Breakers, CTs and LASLong LC 20 DAYS From 02.05.2017,10:00 Hrs to 21.05.2017,17.00 hrs.For Dismantling of existing 50 MVA auto Transformer I and Erection of 80 MVA Auto Transformer towards Enhancement of existing 50 MVA Auto Transformer I approved vide (Per) CH.TANTRANSCO Proceedings No 173 dt 23.11.2015 and alloted vide Memo No: CE/TR/SE/TRII/ET/A3/F. Allotment /D.No. 005 /16, dt. 08.01.2016.During the above shutdown period, i)the Eachangadu 230 KV S.S Loads will be fed from Auto Transformer-II (50MVA) only. it only sufficiant for the EHT consumers M/s ICL( 20 MVA) and 110 KV Eachangadu SS( 10 MVA). ii) the loads 110 KV Viruthachalam SS and 110 KV Pennadam SS will be transferred to 110 KV Neyveli- deviakurichi feeder. iii) the 110 KV Supply of the 110 KV Neyveli -Deviakurichi feeder will extended upto the line switch No 1329 D of 110 Pennadam feeder at Eachangadu end for availing backfeeding 110 KV Supply during emergencies. concurrence obtained from EE/O/Cuddalore.ID0Tue", "02-May-201710:00Thu", "04-May-201717:003Long LC. Note to be put up. Concurrence from chennai and ErodeNote put up8Madurai54014110 KVTUTICORIN -AUTO 230 KVOn 110KV TTN-Sipcot-III feeder breaker with CT bus and line side switchesFor Monthly Maintenance WorkNo SS will be affected, and the feeder is radial from other end. During this Lc period 110 KV Town ss will be fed from 230 KV Sipcot ss.IDPOSSIBLETue", "02-May-20179:00Tue", "02-May-201717:0010Approved9Madurai54040230 KVKAYATHAR 230 KV1.230KV kayathar-kayathar I&II link line(DC LINE) FEEDER1.For stringing 400 KV Kayathar to TTNAUTO 400 Kv DC line AP 66/0-AP 67/0 by TLC/TTN Crossing over 230KV kayathar-kayathar I&II link line FEEDER LOC 27-28(DC LINE)(FOR SAFETY PURPOSE) 2.lines section also lc availed for line inspection & rectifiction workDuring the lc period,There will be no supply in entire line Hence No ss affectedIDPOSSIBLETue", "02-May-20178:00Tue", "02-May-201718:001SUB TO WIND GENApproved10Madurai54044110 KVKAYATHAR 230 KV1.110KV kayathar-GANGAIKONDAN FEEDER SEC B/W TALAYUTHU &GANGAIKONDANfor dismantling the existing 110 KV SC line on SC tower with Panther conductor from Loc.22 to Loc. 34,& Erection of new 110 KV DC line on DC tower and stringing of Panther conductor TO EFFECT 110KV SUPPLY TO M/S ATC TYRES (P)LTD SIPCOT GANGAIKONDANDuring the lc period,1.GANGAIKONDAN SS WILL BE RADIALLY FED FROM KAYATHAR HENCE NO SS AFFECTED.ID0Tue", "02-May-20178:00Sat", "06-May-201718:005Long LC. Note to be put upSubject to EE/SLDC/Madurai concurrence11Chennai54050230 KVTONDIARPET 230 KV50MVA Power Transformer-I & 33KV TH Road feeder one by oneoil leak attended in 50 MVA POWER Transformer and Routine Maintenance Works1.Except 50 MVA Power Transformer-I & 33 KV TH Road #, all other feeders and equipments will be in service. 2. The 33KV Loads to be restricted to one Power Transformer.IDCBD ConcurrenceTue", "02-May-20174:00Wed", "03-May-201718:0020Approved subject to Grid condition12Madurai54078110 KVSRPUDUR 230 KV110KV SR Puthur - Nagercoil # entire,.Line maintenance workDuring the LC period,110/11 KV TGPR and MPM SS will avail total shut down as approved by SE/KKEDC/NGL. Nagercoil SS will avail supply from 110 KV Kodayar I #. Hence no SS will be affected.IDPOSSIBLETue", "02-May-20179:00Tue", "02-May-201717:001SUB TO WIND GENApproved13Madurai54098110 KVSAMAYAPURAM 230 KV110 KV SMPM-Kallakudi -I # CT's , Breakers and entire line portion (tied feeder) .Monthly Maintenance Works and Line Patrol Work.1. During the above LC Period, 110Kv Kallakudy I # Breaker is in H/T condition at 230KV Tahtchankurichy SS . 2.110Kv Thatchankurichy I# Breaker is in H/T condition at 110KV kallakudy Grid SS. 3.Bus and Line Isolator towards 110KV Kallakudy Grid SS will be kept in open condition at 230KV Thatchankurichy SS. 4.Line Isolator towards 230KV Thatchankurichy SS will be kept in open condition at 110KV Kallakudy Grid SS. 5. Earth switch will be kept in closed condition at 110Kv Kallakudy grid ss and 230KV Thatchankurichy SS. 6.110 KV Kallakudi-II # will be in tied condition. 7.There will be no interruption to any other SS.IDPOSISBLETue", "02-May-201710:00Tue", "02-May-201717:0010Approved14Madurai54153230 KVTUTICORIN -AUTO 230 KVOn 230KV TTPS-Auto-I feeder entireFor stringing the newly erected 230KV DC Line from kayathar 400KV SS to Tuticorin 230KV Auto SS.No ss will be affected. During the above LC periodIDNOT POSSIBLETue", "02-May-20179:00Tue", "02-May-201717:001TTPS 5 M/C CONDITION.LC MAY BE PROGRAMMED DURING TTPS 3M/C CONDITIONPostponed15Madurai54154GENERATING STATIONSTTPS230KV TTPS - KAYATHAR FEEDER - I ENTIREAPPLY RTV SILICON COATING IN STRUNG BUS INSULATORS, WBCT & ANNUAL MAINTENANCE AND TESTING OF BREAKER1. 230KV TTPS - KAYATHAR FEEDER - I BREAKER IS IN TRIPPED CONDITION AT BOTH ENDS2. 29A & 29B ISOLATORS KEPT OPEN CONDITION 3. EARTH SWITCH SHOULD BE CLOSED CONDITION AT BOTH ENDSIDNOT POSSIBLETue", "02-May-20179:00Tue", "02-May-201717:001TTPS 5 M/C CONDITION.LC MAY BE PROGRAMMED DURING TTPS 3M/C CONDITIONPostponed16Madurai54156230 KVTUTICORIN -AUTO 230 KVOn 230KV TTPS-Auto-II feeder entireFor stringing the newly erected 230KV DC Line from kayathar 400KV SS to Tuticorin 230KV Auto SS.No ss will be affected. During the above LC periodIDNOT POSSIBLETue", "02-May-20179:00Tue", "02-May-201717:001TTPS 5 M/C CONDITION.LC MAY BE PROGRAMMED DURING TTPS 3M/C CONDITIONPostponed17Madurai54165230 KVTUTICORIN -AUTO 230 KVOn 230KV TTPS-Kayathar-I feeder & 230KV TTPS-Koodankulam feeder entireFor stringing the newly erected 230KV DC Line from kayathar 400KV SS to Tuticorin 230KV Auto SS.No ss will be affected. During the above LC periodIDNOT POSSIBLETue", "02-May-20179:00Tue", "02-May-201717:001TTPS 5 M/C CONDITION.LC MAY BE PROGRAMMED DURING TTPS 3M/C CONDITIONPostponed18Erode54178GENERATING STATIONSMETTUR DPH110 KV DPH-AUTO SS FEEDER 1MONTHLY MAINTENANCE WORKSTHE OTHER END WILL BE IN SERVICE.IDPostponedTue", "02-May-20179:00Tue", "02-May-201715:001230 KV KRT - Pallakkapalayam # LC recommendedSubject to EE/SLDC/Erode concurrence19Madurai54203110 KVKAYATHAR 230 KV110KV Kayathar-Eppodumvendran feeder Entire lineline inspection & rectifiction workDuring the lc period,There will be no supply in entire line Hence No ss affectedIDPOSSIBLETue", "02-May-20178:00Tue", "02-May-201718:001SUB TO WIND GENApproved20Erode54265110 KVUNJANAI 230 KV110KV NALLUR - JEDARPALAYAM (UP TO KABILARMALAI SS)# LINE ENTIREJUMPER TIGHTNESS CHECKINGDURING THE LC PERIOD JEDARPALAYAM SS AVAILLING TOTAL SHUTDOWN.IDPossibleTue", "02-May-20179:00Tue", "02-May-201717:001Sub to Jedarpalayam TSDApproved21Erode54339110 KVDEVIAKURICHI 230 KV110 KV Capacitor bank II Breaker CTs, Capacitor side Isolator, LASFor Monthly Maintenance workCapacitor Bank I will be in serviceIDApprovedTue", "02-May-20179:00Tue", "02-May-201717:001Sub to grid voltageSE Operation22Erode54382110 KVKARAMADAI 230 KV1.110KV Mettupalayam- Maddampalayam feederPMI by AE/Lines/ThudialurNo SS will be affectedIDPossibleTue", "02-May-20179:00Tue", "02-May-201717:001Already Madampalayam fed from TDLRApproved23Erode54447230 KVARASUR 230 KV230KV PGCIL Link-I Feeder Breaker and Its CTs.For monthly maintenance works.1)O.C.C Approval already accorded for the above line clear.2) Remaining five numbers 230 KV Feeders will be in service.IDPossibleTue", "02-May-20179:00Tue", "02-May-201715:001Already approved in 130th OCCApproved24Madurai54484230 KVPUGALUR 230 KV230KV PARUTHIYUR Feeder entireStringing of 230 KV DC line between proposed tower Loc No.13 & 14 for making LILO of Myvadi Pugalur 230 KV feeder at Kurukkathi 230 KV SS which crossing over the existing Paruthiyur Pugalur 230 KV SC line between tower Loc No.113 114.During the LC period, there will be no supply on that feeder. Concurence obtained from M/s. REGEN Power Tech, Paruthiyur.This LC is applied as per request of SE/GCC/CBEIDPOSSIBLETue", "02-May-20178:00Tue", "02-May-201718:001CONCURRANCE FROM WIND GENERATOR AND SE/NCES/UDPTApproved25Madurai54504110 KVKODIKURICHY 230 KV110 KV O.T Patti -Papanasam section between Ambai- V.K.PuramFor rectification of Jumper Bolt Loc No:560IDPOSISBLETue", "02-May-20179:00Tue", "02-May-201714:001SUB TO WIND GEN AND PPM PWD DEMANDApproved26Chennai54548230 KVKADAPPERI 230 KV230KV KALIVANTHAPATTU - THARAMANI #FOR INSULATOR AND JUMPER REPLACEMENT WORK230KV SRIPERUMBUDUR - THARAMANI & 230KV KITS - THARAMANI # ARE IN SERVICEIDPossible 6- 9 hrsTue", "02-May-20175:00Tue", "02-May-201710:0010Approved 6 - 9 hrs subject to Grid condition27Madurai54558110 KVO.Thulukkapatti 110 KVon 110 KV O.Thulukkapatti - Ramnagar SS # breaker with CT onlya) For annual relay resting workb) For Monthly Maintenance workDuring the LC period there will be no supply to 110 KV Ramnagar WindFarm SS. Now there is no wind generation and concurrency received from and concurrency received from SE/WDES/Tin through SE/P&C/Madurai vide No.P&C/Madurai/RAD1256 dt.23.02.17.IDPOSSIBLETue", "02-May-201711:00Tue", "02-May-201717:001SUB TO CONCURRENCE FROM WIND GENERATORApproved28Madurai54619110 KVkinnimangalam 230 KV110KV KNMLM PSQ I FeederMonthly Maintenance works for breaker and CTEE/O/PSQ has also programmedIDPOSSIBLETue", "02-May-20179:00Tue", "02-May-201717:0010Approved29Erode54634230 KVPALLAKAPALAYAM 230 KV230KV K.R.Thoppur# - CT,Breaker,Bus& Line Switches and 230 KV Bus-IIMonthly Maintenance and Rectify the defect in BUS-II isolatorOther end avail LC on that dayIDPossibleTue", "02-May-20179:00Tue", "02-May-201717:001Sub to loading of 230 KV Gobi #Approved30Erode54642230 KVPALLAKAPALAYAM 230 KV230KV K.R.Thoppur # CT,Breaker,Bus& Line Switches and 230 KV Bus-IIMonthly Maintenance and Rectify the defect in BUS-II isolatorOther end also LC on that day.IDrepeat of 54634Tue", "02-May-20179:00Tue", "02-May-201717:0010Wrong entry31Erode54646110 KVDEVIAKURICHI 230 KV110 KV Thalaivasal Feeder Breaker, CTs and Line IsolatorFor Monthly Maintenance work110KV Thalaivasal SS availing total shutdown.IDPossibleTue", "02-May-20179:00Tue", "02-May-201717:001Sub to Thalaivasal TSDApproved32Madurai54664110 KVKAYATHAR 230 KV110 KV Kayathar - Eppodhumvendran # breaker with CT only.For Monthly Maintenance workDuring the LC period other end also avails LC hence there will be no supply in the entire line and also AE/Lines/Kayathar has also applied for LC on the same day. Hence no SS affected.IDPOSISBLETue", "02-May-20179:00Tue", "02-May-201717:001SUB TO WIND GENApproved33Madurai54688110 KVALAGARKOIL 230 KV1110KV ALKL -Sempatty II feeder breaker with Ct only.For monthly maintenance work.Dring the L.C period the feeder will be radial from sempatty end hence there will be no interruption of supply .IDPOSSIBLETue", "02-May-201710:00Tue", "02-May-201714:0010Approved34Madurai54709110 KVPASUMALAI 230 KV110 KV Pasumalai - Kinnimangalam (Theni) # - I BKR & CT,LI only.Maintenance Works of BKR & CT,LIEE / O / Kinnimangalam has also programmedIDPOSSIBLETue", "02-May-20179:00Tue", "02-May-201714:0010Approved35Madurai54776230 KVVALUTHUR 230 KVAuto Transformer IIAuto Transformer II HV & LV breakers and isolators Monthly Maintenance work.During the LC period Auto Transformer I & III will be in service. Hence there is 'no' interruption in power evacuationIDPOSSIBLETue", "02-May-20179:00Tue", "02-May-201717:0010Approved36Madurai54786110 KVKARAIKUDI 230 KV110 KV KKDI - THIRUVADANAI - VALUTHUR FEEDER S/B Amaravathi pudur & ThiruvadanaiTower to Tower inspectionDuring Lc Period the feeder will be tied with Grid through 110KV DVKT #.Hence there will be No interruption of Supply.IDPOSSIBLETue", "02-May-20179:00Tue", "02-May-201717:0010Approved37Erode54844GENERATING STATIONSLOWER METTUR 1BHAVANISAGAR RBCPH UNIT IFor Independent Spell Annual Overhauling Works in Unit I at RBCPH / Bhavanisagar from 02.05.2017 to 31.05.2017 for 30 days1. The AOH schedule has been approved vide Lr. No: CE / H / SE / H(E) / EE / HP / AEE-9 / F. AOH-2017 / D. 1896 / 16, dt. 31.12.2016.2. During LC period, the demand will be only 5 c/s in RBCPH, hence generation loss will not arise.3. Already Unit I / RBCPH is under shutdown from 23.08.2015.IDpossibleTue", "02-May-20179:00Fri", "05-May-201723:004Already approved by Dir/Opn from 02.05.17 to 31.05.17Approved38Chennai54886230 KVKADAPPERI 230 KV230KV Kalivanthapattu - Tharamani feeder230KV Kalivanthapattu - Tharamani feeder preventive maintenance work230KV KITS- Tharamani feeder and 230KV Sriperumbudur - Tharamani feeder will be in service.IDPossible 6- 9 hrsTue", "02-May-20179:00Tue", "02-May-201717:0010Repeat39Erode54925230 KVsalem auto230kv230 KV KR THOPPUR-PALLAKKAPALAYAM FEEDER ENTIRERAILWAY CROSSING JUMPERS CHECKING WORK.1.230 KV KR THOPPUR- PALLAKKAPALAYAM FEEDER BREAKER WILL BE KEPT HAND TRIPPED AT KR THOPPUR 400 KV SS AND PALLAKKAPALAYAM 230 KV SS. 2.THERE WILL BE NO SUPPLY IN 230 KV KR THOPPUR- PALLAKKAPALAYAM FEEDER ENTIRE.3.KR THOPPUR 400 KV SS IS AVAILING BREAKER AND LINE SWITCH LC ON THAT DAY.4.THERE WILL BE NO INTERRUPTION OF SUPPLY TO ANY SS.IDPossibleTue", "02-May-20179:00Tue", "02-May-201717:001Sub to loading of 230 KV Gobi #Approved40Chennai54981110 KVGUMMIDIPOONDI 230 KV110KV Sipcot I feeder , bayGRT Annual Relay Test in Tulsiyan 110KV feeder at 110KV Sipcot IV ss end and Monthly Maintenance work at 230KV Gummidipoondi SSConcurance to be obtained from M/s. TULSIYAN consumers. During the Period of Shut down no export from 110KV TULSIYAN private generationsIDProgrammed on 30th AprilTue", "02-May-201710:00Tue", "02-May-201717:0010Approved subject to concurence fromm/s.Tulysan41Madurai54986110 KVthen I 230 KV110KV THENI-SEMPATTY I & II Breaker with CT one by oneFor monthly maintenance workDuring the LC period the feeders will be radial from other endIDPOSSIBLETue", "02-May-20179:00Tue", "02-May-201717:001SUB TO WIND GENApproved42Madurai55021110 KVEACHANGADU 230 KV110 KV VIRUTHACHALAM FEEDER BREAKER,CT'sFor MONTHLY MAINTENANCE WORKDURING THE ABOVE SHUTDOWN PERIOD M/S SASL CO- GENARATION WILL BE EVACUATED THROUGH THE 110 KV PENNADAM # BY CLOSING THE BUSCOUPLER SWITCH NO 44 AT 110 KV PENNADAM SS AND THERE WILL BE NO INTERRUPTION TO EHT CONSUMER. Vridhachalam 110KV SS is aiso avialing shutdown on the same day.IDPOSSIBLETue", "02-May-201710:00Tue", "02-May-201714:0010Approved43Madurai55024230 KVEACHANGADU 230 KV50 MVA Auto Transformer-1, HV-1 and LV1-1 Breakers, CTs and LASMONTHLY MAINTENANCE WORK.During the above shutdown period, the Eachangadu 230 KV S.S Loads will be fed from Auto Transformer-II (50MVA).loads will be with in one Auto Transformer capacity since 110 KV Viruthachalam SS Loads are already transferred to 110 KV Neyveli- deviakurichi feeder.IDPOSSIBLETue", "02-May-201710:00Tue", "02-May-201717:0010Approved44Erode55044110 KVALIYAR 230 KV110KV ALR-SKPY FEEDR CB,CT AND LINE ENTIREQuarterly mtce worksarkarpathy PH under s/dIDPossibleTue", "02-May-20179:00Tue", "02-May-201716:001Sarkarpathy unit under LCApproved45Erode55119230 KVGOBI 230 KVAUTO TRANSFORMER II BREAKER AND CT'SFOR MONTHLY MAINTENANCE WORK1.AUTO TRANSFORMER I AND III ARE IN SERVICE ,IT MAY CATER THE LOAD2.110 KV THALAVADI SS,1110 KV KOLAPPALUR SS AND 110 KV KUGALUR SS ARE AVAILING THTAL SHUTDOWNIDPossibleTue", "02-May-20179:00Tue", "02-May-201717:001Each Auto 50 MWApproved46Erode55124400 KVSalem 400 KV230 KV Pallakapalayam # - Its CTs, BREAKER, BUS & LINE SWITCHES)Both end Monthly Maintenance WorkBoth end Monthly Maintenance WorkIDPossibleTue", "02-May-20178:00Tue", "02-May-201714:001Sub to loading of 230 KV Gobi #Approved47Erode55338110 KVPONNAPURAM 230 KV110 KV Ponnapuram - Maruthur # Breaker, CTs & Line up to Maruthur SSFor monthly maintenance works1. ON 02/02/2017 110KV KARADIBHAVI SS & SALAIPUTHUR SS WILL AVAIL TOTAL SHUTDOWN 2. SUBJECTED TO WIND POWER GENERATION, THE 110KV MARUTHUR # WILL BE KEPT RADIAL FROM 230KV ARASUR SS / 110KV KANIYUR # UPTO MARUTHUR SS, L/S OF SULTANPET SS AND 110KV PALLADAM SS.3. HENCE NO SS WILL BE AFFECTEDIDPossibleTue", "02-May-201710:00Tue", "02-May-201717:001Sub to karadibavi and Sultanpet availing total shutdown and # kept radial from arasur230Approved48Erode54341110 KVDEVIAKURICHI 230 KV110 KV Thalaivasal Feeder Breaker, CTs and Line IsolatorFor Monthly Maintenance work110KV Thalaivasal SS availing total shutdown.IDPostponedTue", "02-May-20179:00Tue", "02-May-201717:001TSD approved on 02.05.17Approved49Madurai54250230 KVPUGALUR 230 KV230 KV Paruthiyur feeder breaker, CT & Line switch onlyMonthly Maintenance workDuring the LC period, there will be no supply on the above feeder. Concurrence to be obtained from M/s Regen power Tech.Paruthiyur.IDPREPONED TO 02.05.17Tue", "02-May-20179:00Tue", "02-May-201717:001preponed to 02.5.17Approved50Madurai53963110 KVALUNDUR 230 KV110KV Alundur - Trichy-I Feeder breaker,CT's, and Line Isolators.a)Preventive Monthly maintenance work.b)Premonsoon inspection and Tree cutting work.c)Relay testing work.a)Intermediate 110KV Ammapettai SS also avail total shut down.b)All other 110 KV feeders will be in servicec)There will be no interruption of supply to any other feeder's and ss.IDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:0010Approved51Madurai53999110 KVTRICHY 230 KV110KV TRICHY - ALUNDUR I Feeder breaker, CTs and line isolators and line entire0During the LC period, a) The other end also availing LC on the same feeder. b) The Intermediate 110 KV Ammapettai SS availing total shutdown for monthly maintenance works. c) All other 110 kv feeders will be in tied condition. d) There will be no interruption of supply to any of the SS.IDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201716:0010Approved52Erode54067GENERATING STATIONSMTPSMTPS.I TO ANTHIYUR 230KV FEEDERMONTHLY MAINTENANCEPROGRAMED LCIDPossibleWed", "03-May-20179:00Wed", "03-May-201717:001Other #s will cater the loadApproved53Madurai54068230 KVKODIKURICHY 230 KV230 KV Amuthapuram I # Breaker with CT & Line IsolatorsFor Monthly Maintenance Work.0IDNOT POSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:001DUE TO 230 KDKRI-VRAM$ LONG LCPostponed54Madurai54157GENERATING STATIONSTTPS230KV TTPS - AUTO SS FEEDER - I ENTIREAPPLY RTV SILICON COATING IN STRUNG BUS INSULATORS, WBCT & ANNUAL MAINTENANCE AND TESTING OF BREAKER1. 230KV TTPS - AUTO SS FEEDER - I BREAKER IS IN TRIPPED CONDITION AT BOTH ENDS2. 29A & 29B ISOLATORS KEPT OPEN CONDITION 3. EARTH SWITCH SHOULD BE CLOSED CONDITION AT BOTH ENDSIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:001SUB TO TTPS 3 M/C CONDITIONApproved55Erode54179110 KVUdumalpet 110 KV110 KV UDT Link III #r breaker, CTs and Entire lineMonthly Maintenance WorkDuring the LC Period there is no SS will be affected since there is inter connected SS will be fed from other end.IDPossibleWed", "03-May-20179:00Wed", "03-May-201717:001Other #1&2 will cater the loadApproved56Erode54190110 KVUdumalpet 110 KV110KV Grid Bus Entire1)110kv Grid Bus entire at 110/22kv substation at Udumalpet end,2)a) Glow noticed in B phase bus side switch of 110 kv UDT-OKM =I Feeder.b) Glow in R Phase bus switch towards breaker side of 110KV Udumalpet Link-III feeder and Checking of fixed and moving contacts of bus switches, providing copper flexible lead at bus side of the OKM II breaker. c) Replacement of damaged dropper conductor of Gudimangalam & OKM II Feeder of the Grid Bus.There is no interruption during the above LC period, since the interconnected substation will be feeding from other end and Udumalpet substation under total shutdown.IDPossibleWed", "03-May-20179:00Wed", "03-May-201714:001Sub to transfer of Gudimangalam wind gen to Ponnapuram230Approved57Madurai54205110 KVKAYATHAR 230 KV110Kv Melakallur-Sanganeri feeder sec b/w Melapalayam & Karanthaneriline inspection & rectifiction workDuring the lc period,1.MelapalayamWILL BE RADIALLY FED FROM Melakallur 2. Karanthaneri SS WILL BE RADIALLY FED FROM Sanganeri HENCE NO SS AFFECTED.IDPOSISBLEWed", "03-May-20178:00Wed", "03-May-201718:001SUB TO WIND GENApproved58Erode54213230 KVTHINGALUR 230 KV230kv MTPS II feeder Breaker and CTs with Line IsolatorMonthly Maintenance WorkFeeder is already radialIDPossibleWed", "03-May-20179:00Wed", "03-May-201714:001Already Breaker under defect condition at MTPS2Approved59Madurai54232110 KVSRPUDUR 230 KV110 KV SRP-KKY # Breaker, CT only.Annual Relay testingDuring the LC period 110/11 KV Karungulam SS and Kannanallur SS will avail back feeding supply from 110 KV Palavoor #.110/11 KV MHPM,KKY SS will avail back feeding supply from 110 KV SRP-NGL #. Hence no SS will be affectedIDPOSSIBLEWed", "03-May-201710:00Wed", "03-May-201714:001SUB TO WIND GENApproved60Madurai54233230 KVPUGALUR 230 KV230 KV Pugalur - Paramathy I feeder Breaker, CT & line switch and line entire only. Monthly maintenance workDuring the LC period, there will be no supply in 230 KV Pugalur - Paramathy I feeder. Hence There is no interruption to any SS,LC approved in 130 th OCC meetingIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:001SUB TO LOAD CONDITION AND PUDANSANTHAI # TO BE OPENED. CONCURRENCE FROM ERODEApproved61Madurai54234110 KVPUGALUR 230 KV110KV Pugalur - Puliyur Feeder Breaker, CTsMonthly Maintenance WorkDuring the LC period, 110KV Pulilyur SS availing total shutdown and remaining 110KV Thanthonimalai SS, Velliyanai SS Mayanur SS, Kaniyalampatty SS and Panjapatty SS load will be fed from 110KV Trichy SS via 110KV Ayyermalai SS.Hence there is no interruption to any SS.Concurrence obtained from EE/O/Trichy.IDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:0010Approved62Erode54269110 KVUNJANAI 230 KV110KV PUGALUR - KABILARMALAI # LINE PORTION BETWEEN PUGALUR AND KABILARMALAIJUMPER TIGHTNESS CHECKINGDURING THE LC PERIOD 1) VILLIPALAYAM, P.VELLUR AND VALAVANTHI SS WILL BE FET FROM 110KV PUDHANSANTHI - VALAYAPATTI #.2)KABILARMALAI SS AVAILLING TOTAL SHUTDOWN.IDPossibleWed", "03-May-20179:00Wed", "03-May-201717:001Kabilarmalai TSD and other inter loads fed from PSI-Valayapatty #Approved63Erode54277230 KVANTHIYUR 230 KV230KV ANTHIYUR-MTPS-I ENTIRE FEEDERFor monthly maintenance of Breaker,CT and line isolator.MPTS-I end also programmed to avail LC on the same day.During the LC period 230KV Anthiyur-Gobi feeder along with Auto Transformer-I&II will be in serviceIDPossibleWed", "03-May-20179:00Wed", "03-May-201717:001Other #s will cater the loadApproved64Erode54279230 KVUNJANAI 230 KV1. CAPACITOR BANK NO :I BREAKER, CT'S AND BANKSIDE ISOLATOR ONLYFOR MONTHLY MAINTENANCE WORKDURING THE L.C PERIOD CAPACITOR BANK NO :II WILL CATER STATION WAR LOADS.IDApprovedWed", "03-May-20179:00Wed", "03-May-201715:001Sub to grid voltageSE Operation65Erode54280110 KVPUDHANCHANTHAI 230 KV110KV Namagiripet feeder CB, CTs and Line Switch.For monthly maintenance works.During LC period110KV Namagiripet SS availing Total Shut down.No supply interruption.IDPossibleWed", "03-May-20179:00Wed", "03-May-201715:001Sub to Namagiripettai TSDApproved66Madurai54379110 KVPERAMBALUR 230 KV110KV Siruvachur Feeder breaker CT's onlyi)For monthly maintenance workDuring the above period of shut down 1)110KV Siruvachur SS Also availing Total shut down on the Same date.2)110KV Pudukurichy SS and MRF load will be fed from 110KV Kalakudy Grid SS.IDPOSSIBLEWed", "03-May-201710:00Wed", "03-May-201714:0010Approved67Erode54385230 KVKARAMADAI 230 KV400/230KV ICT2 HV/LV breakers,HV/LV CT,HV?LV LASFor monthly Maintenance worksDuring LC period other two nos ICTs will be in service.IDPossibleWed", "03-May-201710:00Wed", "03-May-201717:001Approved in 130th OCCApproved68Chennai54396230 KVKITS 230 KV100MVA Auto transformer -IFor Monthly maintenance worksDuring the above shutdown period Auto transformer II and III will be in service.110KV Veerapuram feeder will be kept radial from 230KV Veerapuram SsIDPossibleWed", "03-May-201710:00Wed", "03-May-201715:0010Approved Subject to Load condition69Chennai54421230 KVMANALI 230 KV230KV Tondiarpet - NCTPS 1 FeederJumper tightness & Tower to Tower inspection.JUMPERAll other feeder in service.IDPossible 6- 9 hrsWed", "03-May-20176:00Fri", "05-May-20179:0030Approved 6 - 9 hrs subject to Grid condition70Chennai54437400 KVSriperumbudur 400 KV400KV HV-II BreakerQuarterly maintenance work400kv tie breaker will be in service hence no interruption of supply pleaseIDPossibleWed", "03-May-20179:00Wed", "03-May-201717:0010Approved Subject to OCC concurrence71Erode54449230 KVARASUR 230 KV230KV/110 KV Auto Transformer-I,HV-I ,LV-I Breakers,CTs,LAS and its associated equipments.For monthly maintenance works.1)During the Line clear ,remaining three numbers auto transformers will be in service.2)110 KV Kalapatty SS and 110 KV Neelambur SS will be under total shutdown.IDPossibleWed", "03-May-20179:00Wed", "03-May-201716:001Each Auto 60 MWApproved72Erode54458110 KVARASUR 230 KV110 KV Arasur-Karamadai II # Bkr and its CtsFor Monthly maintenance work.1)During the LC period 110 Arasur-Karamadai-II feeder radial from 230 KV Karamadai SS.2)110 KV Kalapatty and 110 KV Neelambur SS Total shutdown availed.IDPossibleWed", "03-May-20179:00Wed", "03-May-201712:001Inter loads fed from KaramadaiApproved73Erode54474110 KVARASUR 230 KV110 KV Arasur-Thingalur # (line section between 110 KV Poomalur SS-110 KV Vanjipalayam SS and 110 KV Velampalayam SS)For PMI works by AE/Lines/Palladam.During the line clear period,1) 110 KV Vanjipalayam SS will be fed through 110 KV Arasur -Karuvalur-I # radially fed by 230 KV Karuvalur SS.2) 110 KV Poomalur SS and 110 KV Sulur # will be fed through 110 KV Arasur -Thingalur # from 230 KV Arasur SS.IDpossibleWed", "03-May-20179:00Wed", "03-May-201717:001Vanjipalayam transferred to ASR - Karuvalur #1Approved74Madurai54485230 KVAMUTHAPURAM 230 KV230KV Amuthapuram-Kodikurichi-1 # with breakers,CT's and its isolatorsMonthly Maintenance Work1) During the LC period there will be NO supply in this feeder. 2) Other End also avail LC on same day. 3) Concurrence obtained from SE/NCES/TIN.IDNOT POSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:001DUE TO 230 KDKRI-VRNM # LCPostponed75Chennai54487400 KVSunguvarchatram 400 KV315 MVA ,400/230KV Auto Transformer -1 entireMonthly maintenance workDuring the LC Period Auto Transformer-1 in OFF condition and Auto Transformer -2 will cater the load of Auto Transformer-1 without interruption.IDPossible 6 - 11 hrsWed", "03-May-20179:00Wed", "03-May-201717:0010Approved Subject to OCC concurrence76Erode54507230 KVPALLADAM 230 KV230 KV PALLADAM -OTHAKALMANDAPAM # BREAKER,CT'S AND LINE ENTIRETO CARRYOUT MONTHLY MAINTENANCE WORK BY AEE/MAINTENANCE/PALLADAM AND TO CARRYOUT PREMONSOON INSPECTION WORK BY AEE/LINES/PALLADAM1)OTHER THREE 230 KV FEEDERS (PGCIL,SADAYAPALAYAM AND KURUKATHI) WILL BE IN SERVICE2)OTHER END AVAILING LINE CLEAR3)NO OTHER SS WILL BE AFFECTEDIDPossibleWed", "03-May-20179:00Wed", "03-May-201717:001Other # s will cater the loadApproved77Chennai54513230 KVS.P.KOIL 230 KV230KV S.P.KOIL-KALPAKKAM-II FEEDERFOR LINE MTCE AND QUARTERLY MTCE WORKDURING THE PERIOD OF SHUT DOWN, 230KV S.P.KOIL-KALPAKKAM-I FEEDER WILL BE IN SERVICEIDPossibleWed", "03-May-20179:00Wed", "03-May-201717:0010Approved78Madurai54549230 KVCHECKANURANI SW STATION 230 KV230KV CKNI-Pasumalai-II Feeder EntireFor Monhthly Maintenance work and Line Maintenance WorkDuring LC Period there will be no supply in the entire feederIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:0010Approved79Chennai54550230 KVKADAPPERI 230 KV230KV KALIVANTHAPATTU - THARAMANI #FOR INSULATOR AND JUMPER REPLACEMENT WORK230KV SRIPERUMBUDUR - THARAMANI # & 230KV KITS - THARAMANI # ARE IN SERVICEIDPossible 6- 9 hrsWed", "03-May-20175:00Wed", "03-May-201710:0010Approved 6 - 9 hrs subject to Grid condition80Erode54567230 KVOTHAKKAL MANDABAM 230 KV230KV OKM-Palladam Feeder Entire (Breaker, CT's, 89M1,89M2 & 89L isolators)for PMI works by Lines/Palladam wing and monthly maintenance works.During the LC period, the remaining 230 KV feeders are in service to cater the SS loads.IDPossibleWed", "03-May-20179:00Wed", "03-May-201717:001Other # s will cater the loadApproved81Madurai54580230 KVkinnimangalam 230 KVAUTO TRANSFORMER IMonthly maintenance workDuring the LC period other two Auto Transformers will be in service and cater the loadIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:0010Approved82Erode54650110 KVDEVIAKURICHI 230 KV110 KV Capacitor bank II Breaker CTs, Capacitor side Isolator, LASFor Monthly Maintenance workCapacitor Bank I will be in serviceIDApprovedWed", "03-May-20179:00Wed", "03-May-201717:001Sub to grid voltageSE Operation83Madurai54667230 KVKAYATHAR 230 KV230/110 KV Auto Transformer II HV II and LV II breaker with CT onlyFor Monthly Maintenance workDuring the LC period Auto Transformer I & III will cader all the loads of Auto Transformer II. Hence No SS affectedIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:001SUB TO WIND GENApproved84Madurai54668110 KVThanjavur 110 KV110 KV Thanjavur - Thiruvarur feeder (Line portion between 110 KV Ayyempettai SS and 110 KV Poondi SS)For premonsoon inspection works by the AEE/Lines/Thanjavur.During the entire LC period,1) This feeder will be radial from Thanjavur 110 KV Grid SS upto Ayyempettai 110 KV SS,2) 110 KV Ayyampettai SS will avail shutdown on the same day.3) 110 KV Poondy SS Supply will be radially fed from 230 KV Thiruvarur SS.4) no supply interuption of supply to any SS.IDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:001SUB TO LOAD CONDITIONApproved85Madurai54675230 KVPASUMALAI 230 KV1)230 KV Pasumalai - Checkanurani # - II BKR & CT,LI only 2)Line Entire.a)Maintenance Works of BKR & CT,LI b)Tree cutting works and T-T inspection worksEE / O / CKNI has also programmedIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201714:0010Approved86Madurai54694230 KVALAGARKOIL 230 KV230KV Alagarkoil - Alundur feeder Line EntireFor Tree clearence work between location 240-287During the LC period all other 230 KV feeders will be in grid . Entire feeder will be under outage.IDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201716:0010Approved87Madurai54714110 KVPASUMALAI 230 KV1.110 KV Pasumalai - Sembatty # BKR , CT & LI only.2.110 KV Pasumalai - Sembatty # section between Pasumalai and Achampathu1.Monthly maintenance works of BKR , CT & LI Only. 2.Replacement of SC Line on SC Towers with Leopard Conductor into SC Line on DC Towers with Panther conductor in the section between Pasumalai SS to Achampathu SS (from Loc No 166 to 187) except in between the Locs 166 to 168 (Reserve Forest area) and in between the Locs 186 to 187 (Under DCW For Railway crossing works) by AEE / TLC-1/ Mdu wing.LONG LC FROM 03.5.17 TO 20.5.171) The Feeder will be kept radial from sembatty upto Achampathu SS. 2)110KV AB Switch towards Pasumalai at Achampathu will be under open condition 3)110KV Line isolator at Pasumalai SS will be under open condition. 4) Concurrence obtained from SE/Madurai EDC & SE/Dindigul EDC for the above feeder arrangement.IDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:0010Approved88Madurai54764110 KVKAVANOOR 230 KV110 KV KARAIKUDI-VALUTHUR # SEC. BET. VALUTHUR & R.S.MANGALAM (INCLUDING SALAIGRAMAM SPUR LINE)LINE MAINTENANCE WORKSFEEDER TO BE KEPT RADIAL FROM KARAIKUDI UPTO R.S.MANGALAM. SALAIGRAMAM TO BE AVAILEDIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:0010Approved89Madurai54781110 KVVALUTHUR 230 KV110KV VGTPS - Phase I line 3For attending Breaker ,CT's and it's isolators Monthly Maintenance work.During the LC period 110KV VGTPS - Phase I line 4 and VGTPS Phasse II line 3 will be in service. Hence there isIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:0010Approved90Madurai54836230 KVKADALANGUDI 230 KV230KV Kadalangudy- PPN I feeder entire1)Preventive Maintenance of Bay isolators no 8 & 9 at PPN plant2)Monthly Maintenance work3)Line inspection and rectification workNo interruption to any SS. All other feeders will be in tied condition at both endIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201718:0010Approved91Chennai54887230 KVKADAPPERI 230 KV230KV Kalivanthapattu - Tharamani feeder230KV Kalivanthapattu - Tharamani feeder insulator and jumper replacement work.230KV KITS- Tharamani feeder and 230KV Sriperumbudur - Tharamani feeder will be in service.IDPossible 6- 9 hrsWed", "03-May-20179:00Wed", "03-May-201717:0010Repeat92Erode54904110 KVINGUR 230 KV110KV Sipcot II Breaker, CTs, Isolators , and Line side IsolatorMONTHLY MAINTENANCE WORKSSIPCOT - II TOTAL SHUT DOWN ON THAT DAYIDPostponedWed", "03-May-20179:00Wed", "03-May-201717:001230 KV Southern Bus LC recommended at PLDMSubject to EE/SLDC/Erode concurrence93Madurai54910400 KVKayathar 400 KV400KV Karaikudi feeder Main Breaker (407-52), Reactor Breaker (407-52R),Reactor & CT onlyMonthly Maintenance workDuring the LC period there will be no supply in 400KV Karaikudi feeder Main Breaker (407-52), Reactor Breaker (407-52R),Reactor & CT only. Hence no substation affected.IDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:001SUB TO WIND GEN. OCC APPApproved94Madurai54992110 KVthen I 230 KV110KV THENI-SEMPATTY I # LINE SECTION BETWEEN M.PURI SS AND AYYAMPALAYAM SSFor attending premonsoon remarks and structure painting work at Vaigai SSDuring the LC period Vaigai SS will be under shut down and no other SS will be affectedIDPOSSIBLEWed", "03-May-20179:00Wed", "03-May-201717:001SUB TO WIND GENApproved95Erode55062230 KVALIYAR 230 KVON 3*33.33MVA,230/110KV AUTO-I WITH HV-1&LV-1 BREAKER CT&LASOverhauling of Y-phaseDuring the LC period Auto-2 will caters the loadIDPossibleWed", "03-May-201710:00Sat", "06-May-201710:00420 Days Long LC recommendation submitted for approvalApproved96Erode55070110 KVErode 110 KV110 KV CAPACITOR BANK I BREAKER ,CT AND ITS CELLSMONTHLY MAINTENANCE WORKDURING LC PERIOD NO SS WILL BE AFFECTED. NECESSARY CONCURRENCE OBTAINED FROM SE/EEDC/ERODE.IDApprovedWed", "03-May-20179:00Wed", "03-May-201714:001Sub to grid voltageSE Operation97Erode55084230 KVPALLADAM 230 KV230 KV Southern Main Bus ( Auto Transformer I,230 KV Palladam - OKM feeder)To carryout Bus Maintenance works in 230 KV Southern Main Bus by AEE/Maintenance/PalladamDuring LC period 1)230 KV Palladam - PGCIL feeder will be fed throu 230 KV Transfer Bus 2)230 KV Palladam - OKM feeder availing LC3)Auto Transformer I will be Hand Tripped4) Other 3 Nos Auto transformers will be in service5) 110 KV Mudalipalayam SS will be fed from 230 KV Ingur SS6) Wind Import expectedIDPossibleWed", "03-May-20179:00Wed", "03-May-201714:001Muthalipalayam transferred to Ingur feed, 230 KV ARS PGCIL # will be fed through TBCApproved98Erode55127110 KVGOBI 230 KV110 KV CAPACITOR BANK I BREAKER AND CT'SFOR MONTHLY MAINTENANCE WORKCAPACITOR BANK II IS IN SERVICE AND ALSO SUBJECT TO THE VOLTAGE CONDITIONIDApprovedWed", "03-May-20179:00Wed", "03-May-201717:001Sub to grid voltageSE Operation99Chennai55165110 KVMOSUR 230 KV110 KV Mosur Thiruvallur feeder Breaker, CTs & line isolatorsFor attending Monthly Maintenance work1). On 03.05.2017 The 110 KV Thiruvallur SS (32 MW) Availing Total shut down works .2). The 110 KV Kadambattur SS (10 MW ) Loads will be transferred to 110 KV Thiruttani feeder of Mosur 230 KV SS Through 110 KV Thiruvallur Thiruttani feeder 3). The 110 KV Kakkalur SS Load (18 MW)transferred to 110KV Avadi Grid SS Hence there will be no interruption of supply please.IDPossibleWed", "03-May-20179:00Wed", "03-May-201717:0010Approved100Chennai55170230 KVMOSUR 230 KVAUTO TRANSFORMER NO-IV, HV -IV , LV- IV , Its CT'S AND LAS only.For attending Monthly Maintenance work.1). On 03.05.2017 the 110 KV Thiruvallur SS (36 MW) availing Total Shutdown work.2). 230/110 KV Auto Transformer No. I , II,III are in service and cater the station loads.3) All 110 KV feeders are in service.IDPossibleWed", "03-May-20179:00Wed", "03-May-201717:0010Approved101Erode55350110 KVUDUMALPET 230 KV110 KV UDUMALPET LINK II FEEDER BREAKER AND LINE ENTIREFOR MONTHLY MAINTENANCE WORKSDURING LC PERIOD THE ABOVE FEEDER LOADS WILL BE CATER IN 110KV UDT I&III FEEDERSIDPossibleWed", "03-May-20179:00Wed", "03-May-201717:001Sub to #1 and 3 load conditionApproved102Erode55425110 KVDEVIAKURICHI 230 KV110KV DEVIAKURICHI-THALAIVASL FEEDERAll Cut Point Jumper tightness work1) 110KV Thalaivasal SS availing total shutdown that day.2)there will be no interruption any other SS.IDPossibleWed", "03-May-20179:00Wed", "03-May-201717:001Sub to Thalaivasal SS availing total shutdownApproved103Madurai53982230 KVALUNDUR 230 KVL.C. on 230KV Alundur - Alagarkoil Feeder Breaker,CT's CVT's and Line Isolators.a) Preventive Monthly Maintenance Work b) Relay testing Work c) Premonsoon Inspection Work.During the LC period, a) 230KV Alundur - Alagarkoil feeder both end availing Total Shut down. b) All other 230 KV feeder's will be in service.c) There will be no interruption of supply to any other feeders & ss.ID0Wed", "03-May-20179:00Wed", "03-May-201717:001LC PROGRAMMED ON 3.5.17Approved104Madurai54729230 KVALAGARKOIL 230 KV230KV Alagarkoil - Alundur feeder breaker ,CT and Line CVT andB) Line EntireFor 1)Monthly maintenance work and 2)Tree clearence work LOC 170-240.During the LC period all other 230 KV feeders will be in grid .Other end also applied L.C on the same date.Hence there will be no interruption of supply please.ID0Wed", "03-May-20179:00Wed", "03-May-201716:001LC PROGRAMMED ON 3.5.17Approved105Madurai53964230 KVALUNDUR 230 KV230KV Alundur -Trichy I feeder breaker, CT'S, CVT'S and line isolators.a)Preventive Monthly maintenance work.b)premonsoon inspection and tree cutting work.c)Relay Testing Work.a)Other end also avail shutdown.b)All other 230 KV feeders will be in service.c)There will be no interruption of supply to any other feeders.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:0010Approved106Madurai54000230 KVTRICHY 230 KV230 KV TRICHY - ALUNDUR I Feeder breaker,CTs, Line isolator and line entire.0During the LC period, a) other end also availing LC on the same feeder. b) All other 230KV feeders will be in tied condition. c) Hence there will be no interruption of supply to any of the feeder and SS.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:0010Approved107Madurai54030110 KVKAYATHAR 230 KV110KV KAYTHAR-VANCHIMANIYACHI FEEDER ENTIREFor stringing 400 KV Koodankulam to Ettayapuram pooling station 400 Kv DC line AP 27-AP28 by power grid Crossing over 110KV KAYTHAR-VANCHIMANIYACHI FEEDER LOC07-08(for safety purpose)During the lc period,There will be no supply in entire line .(Concurrnce to be obtained from SRLY)IDPOSSIBLEThu", "04-May-20178:00Thu", "04-May-201718:0010Approved108Madurai54043110 KVKAYATHAR 230 KV1.110KV kayathar-K.G.PATTI FEEDER SEC B/W KAYATHAR&KALUGUMALAI 2.110KV kayathar-SURULIYAR FEEDER SEC B/W KAYATHAR & SANKARANKOVIL1.For stringing 400 KV Kayathar to TTNAUTO 400 Kv DC line AP 63/0-AP 64/0 by TLC/TTN Crossing over 1.110KV kayathar-K.G.PATTI FEEDER SEC B/W KAYATHAR&KALUGUMALAI 2.110KV kayathar-SURULIYAR FEEDER SEC B/W KAYATHAR & SANKARANKOVIL LOC 355-356(DC LINE)(FOR SAFETY PURPOSE)During the lc period,1.KALUGUMALAI SS WILL BE RADIALLY FED FROM K.G.PATTI 2.SANKARANKOVIL SS WILL BE RADIALLY FED FROMSURULIYAR HENCE NO SS AFFECTED.IDNOT POSSIBLEThu", "04-May-20178:00Thu", "04-May-201718:001DUE TO LOAD CONDITION. PROGRAMMED WITH TOTAL S/D OF 30MW LOAD RELIEFApproved Subject to toal shutdown109Madurai54072110 KVKODIKURICHY 230 KV1) on 110KV Kodikurichi-Veerasigamani-II # section between Puliyangudi SS- 110KV Narayanapuram SS 2) On 110KV Kodikurichi -Kadayanallur - Nallamanayakan patti (DC Line) feeder section between 110KV Kadayanallur SS - 110 KV Nallamanayakanpatti SS.For replacement of defective insulator at various location in both feederDuring LC period, i) 110KV Veerasigamani SS and 110 KV Puliangudi SS will be fed from 110KV -Kodikurichi- Veerasigamani -1 # by closing AB Switch towards Veerasigamani at Echantha SS end. ii)110 KV Naranapuram SS and Visvanathaperi SS will be fed from 110 Nallmanaickenpatty SS by closing the isolator at Nallamanaickenpatty SS end . ii)110KV Achanpudur SS and Kadayanallur SS will be radially fed from 230KV Kodikurichi SS. Hence, no SS will be affected.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:0010Approved110Erode54077GENERATING STATIONSLOWER METTUR 3Unit-II Generator, Turbine and its auxiliaries with Unit-II Power Transformer Complete.To carryout Independent Spell AOH works on Unit -II1)Unit II independent spell AOH work LC Approved for 20 days 04.05.2017/08:00 hrs to 23.05.2017/17:00hrs.2)During the above LC period, Unit-I will be in service / standby to meet out The PWD Demand.3)All the 110KV Feeders will be in service.IDPossibleThu", "04-May-20178:00Sat", "06-May-201717:003Already approved by Dir/Opn for a period of 20 days from 04.05.17 to 23.05.17Approved111Madurai54080230 KVSRPUDUR 230 KVOn 100 MVA Auto Tr II, LV II, HV II breaker & CT only.Monthly maintenance workDuring the LC period Auto Tr I & III will be in service.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:001SUB TO WIND GENApproved112Madurai54087400 KVkamuthi 400 KVIn 400KV Abishegaptty Feeder ,Bay No. 402 Tie Breaker with CT OnlyFor Monthly Maintenance WorkDuring the LC Period, the 400KV Abishegapatty # will be fed from Main Breaker Bay No 401, Bay No 403 already in open condition.Hence NO SS affected.IDPOSSIBLEThu", "04-May-201710:00Thu", "04-May-201717:0010Approved113Madurai54129110 KVTUTICORIN -AUTO 230 KVOn 110KV TTN-Sipcot-III feeder (Sec between 230KV Auto SS and 110KVTown SS )To carry out the improvement to upgrade the existing leopard conductor to panther conductor.No ss will be affected. During the above LC period 110KV Town SS will be radially fed from 230KV Sipcot SSID0Thu", "04-May-20179:00Sat", "06-May-201717:0033 DAYS LCNote put up114Madurai54131110 KVTUTICORIN -AUTO 230 KVOn 110KV TTN-ARMNI-I feederTo Carry out the balance portion (At loc.No.24-27) of improvement works as per BP No: 20 dt.22.01.2014.No ss will be affected.ID0Thu", "04-May-20179:00Sat", "06-May-201717:0033 DAYS LCNote put up115Chennai54155230 KVATHIPET 230 KV230KV Bus-I entire and 230KV Bus Coupler Switch-IRoutine maintenance work.during the period of shutdown, 230KV Bus-II ( Spare Bus) will be in service.IDPossibleThu", "04-May-201711:00Thu", "04-May-201717:0010Approved subject to load condition116Madurai54158GENERATING STATIONSTTPS230KV TTPS - AUTO SS FEEDER - II ENTIREAPPLY RTV SILICON COATING IN STRUNG BUS INSULATORS, WBCT & ANNUAL MAINTENANCE AND TESTING OF BREAKER1. 230KV TTPS - AUTO SS FEEDER - II BREAKER IS IN TRIPPED CONDITION AT BOTH ENDS2. 29A & 29B ISOLATORS KEPT OPEN CONDITION 3. EARTH SWITCH SHOULD BE CLOSED CONDITION AT BOTH ENDSIDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:001SUB TO TTPS 3M/C CONDITIONApproved117Erode54180GENERATING STATIONSMETTUR DPHMACHINE 1MONTHLY MAINTENANCE WORKSIF ANY PWD DEMAND IT WILL BE MEET OUT BY OTHER STANDBY MACHINES.IDPossibleThu", "04-May-20179:00Thu", "04-May-201715:001All units under standby due to MDDLApproved118Chennai54198230 KVECHUR 230 KVAuto Transformer I Monthly Maintenance workMonthly Maintenance work in Breakers, CTs and Isolators in HV & LV in Auto Transformer I.At the time of LC1. Auto Transformer I in Off condition and Auto Transformer II in service condition.2. After completion of work in Auto Transformer I, both Auto Transformer in service condition. Hence, No interruption of supply to any of the ssIDPossibleThu", "04-May-20179:00Fri", "05-May-201716:0020Approved subject to load condition119Erode54215110 KVTHINGALUR 230 KV110KV Ingur feeder Breaker, CTs and line Isolator.Monthly Maintenance Work110KV Velampalayam SS availing total shutdown.IDPostponedThu", "04-May-20179:00Thu", "04-May-201714:001Wrong entryWrong entry120Chennai54253230 KVSPR SIPCOT(MAMBAKKAM) 230 KV230KV SIPCOT- Sriperumbudur feeder Breaker, Current Transformers & Line side isolator only.For monthly maintenance works.During the period of shutdown the entire load of 230KV SIPCOT Mambakkam SS [Approximately: 45MW] will be fed from 400KV SV.Chatram SS through 230KV SIPCOT- SV.Chatram feeder without interruption.IDPossibleThu", "04-May-201710:00Thu", "04-May-201717:0010Approved subject to Grid condition121Erode54260110 KVTHINGALUR 230 KV110KV Ingur feeder Breaker, CTs and Line Isolator.Monthly maintenance works.110KV Kunnathur SS availing total shutdown.The feeder will be back charged.IDPostponedThu", "04-May-20179:00Thu", "04-May-201714:001recommended 54976Wrong entry122Chennai54262230 KVARNI 230 KV230KV Arani-Singarapert feeder Breaker,CT's with feederFor 230KV Arani-Sinagrapet feeder take of tower location 598 shifting work and Line stringing work between location no.597 to 598 by TLC Wing / Thiruvannamalai for Additional 80MVA Auto Transformer Bay extension work.During the period of LC,the other 4 No's 230KV feeders will be in service.Hence no interruption of supply please.IDPossibleThu", "04-May-20179:00Sat", "06-May-201717:0030Approved Subjectto load condition123Madurai54264230 KVKODIKURICHY 230 KV230 KV Amuthapuram II # Breaker with CT & Line IsolatorsFor Monthly Maintenance Work.0IDNOT POSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:001DUE TO 230 VRNM-KDKRI # LONG LCApproved, After nornalisation of 230 kV VRNM-KDKRI #124Madurai54266230 KVKODIKURICHY 230 KV230 KV Amuthapuram II #Entire lineFor special Lines Inspection0IDNOT POSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:001DUE TO 230 VRNM-KDKRI # LONG LCApproved, After nornalisation of 230 kV VRNM-KDKRI #125Erode54286400 KVUdumalpet 400 KV230 KV Myvadi-Kadamparai-I feeder Breaker,CT line entire.For Monthly maintenance and PMI by lines wing.Both end LC appyiedIDPossibleThu", "04-May-20179:00Thu", "04-May-201717:001Other #sApproved126Erode54289110 KVPUDHANCHANTHAI 230 KV110KV Pudhansandai feeder CB, CTs and Line Switch.110KV West Bus, its PTs and Switches-5 Nos.For monthly maintenance works.During LC period110KV Pudhansandai SS availing Total Shut down.110KV Namakkal SS will be back fed through 110KV PSI-Valayapatty feeder.110KV Rasipuram SS will be back fed through 110KV Salem- Mallur feeder. 110KV Elanagar SS now back fed through 110KV PSI-Rasipuram feeder to be transferred to Unjanai 230KV SS.No supply interruptionIDPossibleThu", "04-May-20179:00Thu", "04-May-201717:001Sub to PSI110 TSD,Approved127Chennai54351110 KVVEERAPURAM 230 KV110KV S.P KOIL #-IMonthly Maintenance110KV S.P KOIL #-II-Tied conditionIDPossibleThu", "04-May-20179:00Thu", "04-May-201712:0010Approved Subject to load condition128Chennai54402230 KVTHIRUVERKADU 230 KV SS230/110kV,100MVA Auto transformer-IFor routine maintenance work,During the period of s/d 230/110kV Auto transformer-II will be in service,heance no interruption.IDPossibleThu", "04-May-201710:00Thu", "04-May-201717:0010Approved129Chennai54438400 KVSriperumbudur 400 KV230KV Sriperumbudur -Mambakkam Feeder CTs and Line isolatorQuarterly maintenance workall other 230kv feeders will be continued in serviceIDPossibleThu", "04-May-20179:00Thu", "04-May-201717:0010Approved subject to Grid condition130Erode54450230 KVARASUR 230 KV230KV/110 KV Auto Transformer-III,HV-III ,LV-III Breakers,CTs,LAS and its associated equipments.For monthly maintenance works.1)During the Line clear ,remaining three numbers auto transformers will be in service.2)110 KV Saravanampatty SS will be under total shutdown.IDPossibleThu", "04-May-20179:00Thu", "04-May-201716:001Sub to other Auto trf loadingApproved131Madurai54488230 KVAMUTHAPURAM 230 KV230KV Amuthapuram-kodikurichi-2 # with breakers,CT's and its isolatorsMonthly maintenance work1) During the LC period there will be NO supply in this feeder. 2) Other End also avail LC on same day. 3) Cocurrence obtained from SE/NCES/TIN.IDNOT POSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:001DUE TO 230 VRNM-KDKRI # LONG LCApproved, After nornalisation of 230 kV VRNM-KDKRI #132Chennai54489400 KVSunguvarchatram 400 KV230KV Svc-Oragadam feeder entireQuarterly Maintenance workDuring the LC period 230KV SVC-Oragadam feeder in off condition.IDPossible 6 - 11 hrsThu", "04-May-20179:00Thu", "04-May-201717:0010Approved subject to Grid condition133Chennai54514110 KVS.P.KOIL 230 KV110KV SPK-VEERAPURAM-I FEEDERFOR QUARTERLY MTCE WORKDURING THE PERIOD OF SHUT DOWN, 110KV SPK-VEERAPURAM-II FEEDER WILL BE IN TIED CONDITIONIDPossibleThu", "04-May-20179:00Thu", "04-May-201717:0010Approved subject to Grid condition134Chennai54519230 KVUlundurpet 230 KV230/110KV Auto TransformerTotal shutdown monthly maintenance work.230/110 KV Auto Transformer, HV,LV Breakers, Isolators, 110 KV Feeder Breakers, Isolators maintenance work, on that day Ulundurpet 110/33 KV SS Load will be fed by Villupuram Auto SS roughly about 24 MW & Ko-Poovanur SS load will be fed by Neyvely TS I-Deviyakurichi feeder. 110 KV Thiyagadurugam SS,11O KV Nagalur SS and 110 KV Pillaiyarkuppam SS Proposed to carried out total shutdown maintenance work.IDPossibleThu", "04-May-20179:00Thu", "04-May-201717:0010Approved Subject to Load condition135Madurai54545230 KVSANKANERI 230 KV230/110KV AutoTransformer-I HV&LV Breaker CTS&Lineswitches.For monthly maintenance WorkDuring the LC Period AutoTransformer-I willnot be inservice.AutoTransformer-II willbe Carriedout the Entire Load.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201714:001SUB TO WIND GEN AND NO BLOCKING OF WIND GENApproved136Chennai54553230 KVKADAPPERI 230 KV230KV KALIVANTHAPATTU - THARAMANI #FOR INSULATOR & JUMPER REPLACEMENT WORK230KV SRIPERUMBUDUR - THARAMANI # & 230KV KITS - THARAMANI # ARE IN SERVICEIDPossible 6 - 9 hrsThu", "04-May-20175:00Thu", "04-May-201710:0010Approved 6 - 9 hrs subject to Grid condition137Erode54575110 KVOTHAKKAL MANDABAM 230 KV110KV OKM-Thudiyalur I Feeder Breaker, CT's, & Line switch)for monthly maintenance works.During the LC period, 110KV OKM-Thudiyalur I feeder loads will be transferred to 230 KV TDLR SS. Hence, No SS will be affected.IDPossibleThu", "04-May-20179:00Thu", "04-May-201714:001All inter loads fed from TDLRApproved138Erode54639230 KVPALLAKAPALAYAM 230 KV230KV GOBI # CT,Breaker,SwitchesMonthly MaintenanceOther End also LC on that DayIDPossibleThu", "04-May-20179:00Thu", "04-May-201717:001230 KV KRT # will cater the loadApproved139Erode54644230 KVPALLAKAPALAYAM 230 KV230KV GOBI # CT,Breaker, SwitchesMonthly MaintenanceOther end also LC on that dayIDrepeat of 54639Thu", "04-May-20179:00Thu", "04-May-201717:0010Wrong entry140Chennai54652230 KVOragadam SS230kv sunguvarchatram feederQuarterly maintenanceAll other 230kv& 110kv feeders will be in serviceIDPossible 6 - 11 hrsThu", "04-May-20179:00Thu", "04-May-201715:0010Approved subject to Grid condition141Madurai54677110 KVKADALANGUDI 230 KV110KV Kadalangudy- Vaitheeswaran koil feeder entire1)Line inspection and rectification work 2)Maintenance workNo interruption to any SS. 110KV Nidur SS proposed to shutdown. 110KV V.Koil, Porayar and Thiruvengadu SS Supply fed from 110KV LTPCL- V.Koil feeder.IDPOSSIBLEThu", "04-May-201710:00Thu", "04-May-201716:0010Approved142Madurai54680230 KVPASUMALAI 230 KV1) 230 KV Pasumalai - Alagarkoil # BKR & CT,LI only. 2).Line Entire.a)Maintenance Works of BKR & CT,LI only.b)T-T inspection worksEE / O / Alagarkoil has also programmed.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201714:001SUB TO LOAD CONDITIONApproved143Madurai54698110 KVTHANJAVUR 230 KV110 KV Thanjavur Link - 1 & 2 feeders' breakers, CTs & LIs(one after another)For monthly maintenance works by the AEE/Mtce/Thanjavur.During the LC period,1) the other end (i.e. Thanjavur 110 KV Grid SS) will avail LC on the same day, 2) 110 KV Mariammankoil SS will avail shutdown,3) all other 110 KV feeders will be in tied condition, 4) no supply interruption to any SS.IDPOSISBLEThu", "04-May-20179:00Thu", "04-May-201717:001SUB TO LOAD CONDITIONApproved144Madurai54699230 KVALAGARKOIL 230 KV230kv Alkl-Psq feeder breaker with CT &LINE ENTIRE.FOR MONTHLY MAINTENANCE WORK&Tree clearence workDuring the LC period the 230KV Supply will be fed from 230KV other feeder, other end also proposed L.C on the same date ,hence there will be no interruption of supply please.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201716:001SUB TO LOAD CONDITIONApproved145Chennai54710110 KVCUDDALORE 230 KV110 KV ABAN - Kaattumannarkoil feeder.For carrying out premonsoon inspection & rectification works.During the LC period,1) 110 KV Kaatumannarkoil SS will be fed from Neyveli TS-1,2) concurrence has been obtained from M/s.ABAN, 3) no supply interruption to any SS.IDLD MaduariThu", "04-May-201710:00Thu", "04-May-201716:001LC MAY BE PROGRAMMED ON 08.05.17Approved146Chennai54718110 KVTHIRUVANNAMALAI 230 KV110 KV Tiruvannamalai - Villupuram #, Breaker CT's and Line IsolatorMonthly maintenance workDuring the period of L/C time,1. 110 KV Mangalam SS availing total S/D,2. 110 KV Vettavalam SS, 110 KV Rajanthangal SS, 110 KV Thandarai Traction# and 110 KV Kilpennathur SS will be radially fed from 110 KV Villupuram Grid SS.(Radial upto 110 KV Kilpennathur SS) Hence there is no interruption of supply please.IDPossibleThu", "04-May-20179:00Thu", "04-May-201715:0010Approved Subjectto load condition147Madurai54728110 KVPASUMALAI 230 KV110KV Pasumalai - Sakthi Sugars # Section between Nelmudikarai and Arasanoor1) Tree cutting Works 2) Setting right of Bottom Phase Suspension string creeper set at Loc No 90. 3) Tower to Tower Inspection.1) The sakthisugars feeder will be kept radial from Alkl end through 110KV Alagarkoil - Karaikudi Feeder upto Nelmudikarai SS 2)The feeder will be radial from Sakthisugars upto Arasanoor SS 3) At Nelmudikarai SS the switch towards Arasanoor SS will be kept opened and earthed.4) At Arasanoor SS the switch towards Nelmudikarai SS will be kept opened and earthed. 5)110KV Sakthisugar -Sivaganga Feeder will be in grid . 6)110KV Alagarkoil - Karaikudi Feeder will be radial from Karaikudi upto Narasingampatti SS. 7) At Narasingampatti SS the switch towards Alagarkoil will be kept open. 8) 110/33-11KV Nattarmanaglam and Uranganpatty SS will be under shut downIDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201714:0010Approved148Madurai54774110 KVKAYATHAR 230 KVon 110 KV kayathar - Vanchi Maniyachi # breaker with CT onlyFor Monthly Maintenance workDuring the LC period there will be no supply in the entire line since AEE/Lines/kayathar has also applied for LC on the same feeder on the same date. Hence no ss affected.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:001SUB TO CONCURRENCE FROM TRACTIONApproved149Madurai54783110 KVVALUTHUR 230 KV110KV Valuthur - Perungulam feeder entire.For attending Tower to Tower Inspection and Tree cutting work.During the LC period 110KV Perungulam SS will be availed total shut down.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:0010Approved150Erode54794230 KVSINGARAPET 230 KV230/110 KV Auto transformer III and 110 KV LV III breakerTo carry monthly maintenance work by AEE/MTC/230 KV SS / SPTDuring the LC period1. Auto transformer III and LV III breaker will be in off condition 2)The Auto transformer I and II will be in service,3) All the 110 KV feeders will be in service4) 110 KV Pappireddipatty SS total shutdown approved5) 110KV Ramiyanahally SS loads will be fed from Karimangalam SS end6) 110KV Harur SS loads will be fed from Singarapet 230KVSS, hence no interruption of supply.IDPossibleThu", "04-May-20179:00Thu", "04-May-201714:001Papireddypatti availing TSD and sub to other Auto loadingApproved151Madurai54865110 KVRENGANATHAPURAM 230 KV1)110kv RNPM-Kovilur # Breaker and CT2)110kv RNPM-Kovilur # S/B RNPM and Kovilur1. Monthly maintenance2.Tree cutting workDuring LC period 110 KV Kovilur SS availing total shut down. And 33 KV Vallipatti and Chattrapatti also availing total shut doun.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201716:0010Approved152Chennai54888230 KVKADAPPERI 230 KV230KV Kalivanthapattu - Tharamani feederInsaulator and replacement work in 230KV Kalivanthapattu - Tharamani feeder.230KV KITS-Tharamani feeder and 230KV Sriperumbudur - Tharamani feederIDPossible 6 - 9 hrsThu", "04-May-20179:00Thu", "04-May-201717:0010Repeat153Madurai54945GENERATING STATIONSABANUnits I & II, Common auxiliaries with Associated Equipments, Barrage Gates, Intake Gates & Draft Tube Gates at BPH-2 / Nerinjipettai.- To carryout Common Spell AOH works in Units I & II, Common-auxiliaries with Associated Equipments,Barrage Gates, Intake Gates & Draft Tube Gates etc., at BPH-2 / NPT. NOTE:-period of common spell - 04.05.2017 to 22.05.2017 please.(i) During Common spell AOH, Both units will be under shutdown and all the 110kv feeders Will be in service except one day (Common Bus LC). (ii).Total depletion of pondage will not be carried out during the common spell AOH Period, since the HRL is maintained for drinking water purpose. (present level :181.14 metre(MSL), storage:198.94 mcft )NOTE:-period of common spell - 04.05.2017 to 22.05.2017 please.IDPossibleThu", "04-May-20178:00Thu", "04-May-201717:001Already approved by Dir/Opn for a period of 19 days from 04.05.17 to 22.05.17 and is programmed without depleting the pondageApproved154Chennai54947400 KVAlamathy 400 KV400/230 KV ICT#3 and its bay EquipmentsFor maintenance work and c isolator corona disc replacement work.1. 400/230 KV ICT#3 (315 MVA) will not be in service.2. 400/230 KV ICT#4 and ICT#5 will be in service.IDPossible 6 - 9 hrsThu", "04-May-201710:00Thu", "04-May-201717:0010Approved subject to OCC Concurrecnce155Chennai54957110 KVMOSUR 230 KV110 KV Pallur Feeder Breaker ,CTs and Line IsolatorsFor attending Monthly Maintenance worki. 110 KV Pallur SS (16 MW) will be availed total shut down. ii. 110 KV Takkolam SS(10MW) ) will be availed total shut down.iii. 110 KV Punnai SS (8MW) will be availed total shut down.iv. Hence there will be no interruption of supplyIDPossibleThu", "04-May-20179:00Thu", "04-May-201714:0010Approved156Madurai54959110 KVKAVANOOR 230 KV110 KV KARAIKUDI-VALUTHUR # SEC. BET. R.S.MANGALAM AND THIRUVADANAI (INCLUDING ANANDUR SPUR LINE)LINE MAINTENANCE WORKFEEDER TO BE KEPT RADIAL FROM VALUTHUR UPTO R.S.MANGALAM AND TO KEPT RADIAL FROM KARAIKUDI UPTO THIRUVADANAI. ANANDUR SS TO BE UNDER SHUTDOWN; L.R. 0.7 MWIDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:001SUB TO KKDI AUTO LOADINGApproved157Erode54976110 KVINGUR 230 KV110 KV Thingalore Ingur section between 110 KV PG palayam SS to Kunnathur SS and 110 KV Ingur Thingalur section between SEPER SS and kunnathur SSTo providing Loop jumper at Kunnathur SS tower between loc 35 & 34 and open jumper at loc .35 (take off tower)1. No SS will be affected during LC period.2. Concurrence is to be obtained from EHT service Sakthi Auto component.3.110KV Kunnathur SS supply fed from Gobi 230KV SSIDpossibleThu", "04-May-201711:00Thu", "04-May-201713:001erection of breaker towards Ingur & Thingalur is programmed for making Kunnathur as Grid SSApproved158Chennai54997230 KVMOSUR 230 KV230/110KV Auto Transformer No-II, 230KV HV-II breaker, 110KV LV II Breaker, CTs onlyFor attending Monthly maintenance worki) 110 Pallur, Takkolam, Punnai SS are availing Total Shutdown ii) 230/110 KV Auto transformer I,III & IV are in service iii) Hence there will be no interruption of supply please.IDPossibleThu", "04-May-20179:00Thu", "04-May-201717:0010Approved159Madurai55001110 KVthen I 230 KV110KV THENI-KINNIMANGALAM I & II # BREAKER WITH CT ONLY (one by one)for monthly maintenance workDuring the LC period the feeders will be radial from other end.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:001SUB TO LOAD CONDITION AND WIND GENApproved160Madurai55025110 KVThanjavur 110 KV110kv TJR-LINK I&II Feeder Br one after anotherFor monthly maintenance workDuring the lc period there will be no interruption of supply to any ss,LC also applied by EE/O/TJR on the same day.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201717:001SUB TO LOAD CONDITIONApproved161Erode55098110 KVSALEM AUTO 230 KV110 KV Bus EntireFor strengthening of 110KV Strung Bus between bus coupler switch nos. 1889 and 1989.1. 110KV Capacitor Bank-I and II will be in hand trip condition.2. 110KV K.R.Thoppur-I, II, 110KV Singapuram-I, II and 110KV Sankari feeders will be radially fed from other end.3. Mallur 110KV SS will be fed from Pudansandai 230KV SS.4. Mallasamudram 110KV SS will be fed from Sankari 110KV SS or Unjani 230KV SS through Paruthipall feeder whichever is possible. 5. 3Nos. Auto Transformer will be in hand trip condition.6. 110KV GC-I and 110KV GC-II will be in hand trip condition.7. Salem 110/22KV SS will be availing total shutdown.8. There will be no interruption to any SS or feeder.IDPostponedThu", "04-May-20179:00Thu", "04-May-201717:001KRT Auto trf 4 under outage and to be scheduled with Kandampatti, Mallasamuthiram and Salem GC loadSubject to EE/SLDC/Erode concurrence162Erode55128400 KVSalem 400 KV400 / 230 KV AUTO TRANSFORMER I HV & LV SIDE - ITS ENTIRE TRANSFORMERS, LAS, CTS, BREAKERS, JUMPERS & SWITCHESMonthly Maintenance WorkDuring 400/230 KV Auto Transformer I LC Period, 400/230 KV Auto Transformer II will be in Service Condition. Hence there will be no interruption of supply.IDPossibleThu", "04-May-20178:00Thu", "04-May-201714:001Approved in 130th OCCApproved163Erode55148230 KVGOBI 230 KV230 KV PALLAKAPALAYAM FEEDER BREAKER, CT'S AND ENTIRE LINE WITH 230 KV BUS COUPLER BREAKER AND CT'SFOR GRT RELAY TESTING WORK,FOR MONTHLY MAINTENANCE WORK BY MAINTENANCE SECTION AND FOR LINE MAINTENANCE WORK BY LINES SECTION1.230 KV ARASUR FEEDER ,230 KV ANTHIYUR AND 230 KV MTPS II ARE IN SERVICE,IT MAY CATER THE LOAD2.ALL 230 KV FEEDERS AND AUTO TRANSFORMERS ARE CONNECTED IN 230 KV BUS I,230 KV BUS II IDLY CHARGED THROUGH 230 KV BUS COUPLER BREAKER3.OTHER END MAY ALSO AVAIL LCIDPossibleThu", "04-May-20179:00Thu", "04-May-201717:001Other #s will cater the loadApproved164Erode55238110 KVCOIMBATORE 230 KV1. 110KV Coimbatore - Peelamedu feeder breaker and CTsMonthly mtce works1.Scheduled shut down at 110/11KV Peelamedu SS.IDPossibleThu", "04-May-20179:00Thu", "04-May-201714:001Sub to Peelamedu TSDApproved165Erode55303GENERATING STATIONSKUNDAH PH2UNIT-2FOR MONTHLY MAINTENANCE BY GRTSF6 BREAKER IN OFF CONDITION, TOP AND BOTTOM BUS IN OPEN CONDITION.IDErode LDThu", "04-May-20179:00Thu", "04-May-201717:0010Subject to EE/SLDC/Erode concurrence166Erode55342110 KVPONNAPURAM 230 KV110 KV Ponnapuram # Breaker & CTs & Line entireFor monthly maintenance works1. SUBJECT TO WIND POWER GENERATION GC I & II OF 110KV PONNAURAM SS WILL BE FEED FROM 110KV PNPM-INGUR II #,2. HENCE NO SS WILL BE AFFECTEDIDPossibleThu", "04-May-201710:00Thu", "04-May-201717:001Sub to wind generation and GC 1 & 2 transferred to 110 KV Ponnapuram - Ingur#2Approved167Madurai55352110 KVANUPPANKULAM 230 KV110KV APKM - NSPM feeder Breaker CT and line Switch only.For Monthly Maintenance Work.During the LC period, the other end also availing LC on the same date. Hence no ss will be affected.IDPOSSIBLEThu", "04-May-20179:00Thu", "04-May-201713:001SUB TO WIND GENApproved168Erode55353110 KVUDUMALPET 230 KV110KV SEMPATTY FEEDER BREAKER AND LINE SECTION BETWEEN UDT & ELAYAMUTHUR SSFOR MONTHLY MAINTENANCE WORKSDURING LC PERIOD SEC BETWEEN SEMPATTY & ELAYAMUTHUR FED FROM 230KVSS SEMPATTYIDPossibleThu", "04-May-20179:00Thu", "04-May-201717:001Sub to # kept radial from sembatty endApproved169Erode55386GENERATING STATIONSPYKARAUNIT 1MONTHLY MAINTENANCE.NILIDPossibleThu", "04-May-20178:00Thu", "04-May-201717:001all units standby conditionApproved170Chennai55410110 KVVILLUPURAM 230 KV110KV Madurapakkam- I & II #For maintenance works, VKD, MPKM, Vanur & TCBLM SS availing total shutdown.& Breaker and CT.-IDPossibleThu", "04-May-20179:00Thu", "04-May-201717:0010Approved171Chennai55419110 KVVillapuram 110 KV110KV VPM-T.V.Malai-#Breaker CTs & Line side isolator maintenance works1. The 110KV isolator switch at Vettavalam Ss towards Villupuram side will be kept open condition.2. The feeder will be kept radial from T.V.Malai 230KV SS end.3. Mangalam SS in T.V.Malai is availing total shutdown.4 .Hence no interruption of supply in any SS.IDPossibleThu", "04-May-20179:00Thu", "04-May-201717:0010Approved172Madurai54585230 KVkinnimangalam 230 KVAuto Transformer IIMonthly Maintenance workDuring the LC Period other two transformers will be in service and cater the loadID0Fri", "05-May-20179:00Fri", "05-May-201717:001postponed to 5.5.17Approved173Madurai53975230 KVALUNDUR 230 KV230KV Alundur -Trichy II feeder breaker, CT'S, CVT'S and line isolators.a) Preventive Monthly maintenance work. b)premonsoon inspection and tree cutting work. c)Relay Testing work.During the LC period, a) Other end also avail shutdown. b) All other 230 KV feeders will be in service. c) There will be no interruption of supply to any other feeders.IDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:001SUB TO LOAD CONDITIONApproved174Madurai54001230 KVTRICHY 230 KV230 KV TRICHY - ALUNDUR II Feeder breaker,CTs, Line isolator and line entire.0During the LC period, a) other end also availing LC on the same feeder. b) All other 230KV feeders will be in tied condition. c) Hence there will be no interruption of supply to any of the feeder and SS.IDPOSISBLEFri", "05-May-20179:00Fri", "05-May-201717:001SUB TO LOAD CONDITIONApproved175Madurai54015110 KVTUTICORIN -AUTO 230 KVOn 110KV TTN-Sipcot-II feeder breaker with CT bus and line side switchesFor monthly maintenance work .No SS will be affected.IDNOT POSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:001DUE TO 110 TTN-SIPCOT#1 LCSubject to EE/SLDC/Madurai concurrence176Madurai54024230 KVVEERANAM 230 KV230 KV Kayathar Feeder Breaker,CT&Line switchFor monthly maintenance TestDuring the LC period there will be no supply on the entire feeder concurrence obtained from Superintending Engineer/NCES/TirunelveliIDNOT POSSIBLEFri", "05-May-201710:00Fri", "05-May-201717:001DUE TO 230 VRNM-KDKRI # LCApproved, After nornalisation of 230 kV VRNM-KDKRI #177Madurai54025230 KVVEERANAM 230 KV230KV kayathar feeder entire ,230KV Kodikurichi feeder entire, 230KV Abisekapatty feeder entire one by oneFor Tan delta Test on CT and CVTDuring the LC period there will be no supply on the entire feeder concurrence obtained from Superintending Engineer/NCES/TirunelveliIDNOT POSSIBLEFri", "05-May-201710:00Fri", "05-May-201717:001DUE TO 230 VRNM-KDKRI# LC AND WIND GEN: LC MAY BE PROGRAMMED AFTER COMPLETION OF 230 VRNM-KDKRI# LCApproved, After nornalisation of 230 kV VRNM-KDKRI #178Chennai54052110 KVTONDIARPET 230 KV110KV R.K.Nagar feederRoutine maintenance works1.Except 110kv R.K.Nagar feeder, all other feeders and equipments will be in service.2.The 110kv RK Nagar feeding supply to be alternatively.IDPossible 6 - 9 hrsFri", "05-May-20179:00Fri", "05-May-201713:0010Approved179Erode54069GENERATING STATIONSMTPSMTPS.I TO INGUR 230KV FEEDERMONTHLY MAINTENANCEPROGRAMED LCIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Other 3s will cater the loadApproved180Madurai54103110 KVSAMAYAPURAM 230 KV110KV Samayapuram - Trichy Grid feeder breaker, CT's and line portion between 230KV Thatchankurichy SS and 110KV Poovalur SS.Monthly Maintenance Work and Premansoon EHT line patrol workDuring the above period of shut down a)110KV Poovalur SS avail Total shutdown on the same day. b)110KV Thennur SS,110KV T.V.Koil SS, 110KV Valady SS,M/s.Kothari EHT sc. will be fed radially from 110KV Trichy Grid SS. C). The line Isolator towards 230KV Thatchankurichy SS at 110KV Poovalur ss will be Kept opened and earth switch closed. d)The line Isolator towards 110KV Poovalur ss at 230KV Thatchankurichy SS will be Kept opened and earth switch closed. e)Necessary concurrence has been obtained from M/s.Kothari EHT Service for the interuptions during the switching operations. f)There will be no interuption to any other SS/EHT consumers.IDPOSSIBLEFri", "05-May-201710:00Fri", "05-May-201717:0010Approved181Madurai54111110 KVTUTICORIN -AUTO 230 KVOn 110KV TTN-Sipcot-I feeder (Sec between 230KV Auto SS and 110KV vagai SS )For replacement of old disc insulators by New disc insulators at loc no : 3No ss will be affected. During the above LC period vagai SS will be radially fed from 230KV Sipcot SSIDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:0010Approved182Madurai54130230 KVTHIRUVARUR 230 KV230 KV Thiruvarur -Nemmelithippiyakudi feederLine premansoon inspection and rectification work, Breaker, CT's and Line side isolator maintenance workDuring the LC period all other 230KV feeders are in tied condition. Hence there will be no interruption of supply to any other SSIDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:001SUB TO LOAD CONDITIONApproved183Madurai54159GENERATING STATIONSTTPS230KV TTPS - KOODANKULAM FEEDER ENTIREAPPLY RTV SILICON COATING IN STRUNG BUS INSULATORS, WBCT & ANNUAL MAINTENANCE AND TESTING OF BREAKER1. 230KV TTPS - KOODANKULAM FEEDER BREAKER IS IN TRIPPED CONDITION AT BOTH ENDS2. 29A & 29B ISOLATORS KEPT OPEN CONDITION 3. EARTH SWITCH SHOULD BE CLOSED CONDITION AT BOTH ENDSIDPOSISBLEFri", "05-May-20179:00Fri", "05-May-201717:001SUB TO LOAD CONDITIONApproved184Erode54181110 KVUdumalpet 110 KV110 KV UDT Aliyar # 1 breaker, CTs and section between UDT Poolanginar SS.Monthly Maintenance WorkDuring the LC Period there is no SS will be affected since there is inter connected SS will be fed from other end.IDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001inter loads fed from Aliyar230Approved185Madurai54207110 KVKAYATHAR 230 KV110KV KAYATHAR-KODIKURUCHI FEEDER SEC B/W KAYATHAR &Therkupattiline inspection & rectifiction workDuring the LC period,I.Therkupatti ss will be radially fed from Kodikuruchi-Kanarpatti Tie feeder Hence No SS affectedIDPOSSIBLEFri", "05-May-20178:00Fri", "05-May-201718:001SUB TO WIND GEN AND NO BLOCKING OF WIND GENApproved186Chennai54263230 KVARNI 230 KV230KV Arani-Singarapet feeder Breaker,CT's and Line isolators.For Monthly maintenance work(Both 230KV SS end).During the period of LC,other 4 No's 230KV feeders will be in service.Hence no interruption of supply please.IDPossibleFri", "05-May-20179:00Fri", "05-May-201717:0010Approved Subjectto load condition187Madurai54267110 KVKODIKURICHY 230 KV110 KV Veerasigamani I # Breaker with CT & Line IsolatorsFor Monthly Maintenance Work.0IDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:001SUB TO WIND GEN AND NO BLOCKING OF WIND GENApproved188Erode54283230 KVUNJANAI 230 KV1.. CAPACITOR BANK NO :II BREAKER, CT'S AND BANKSIDE ISOLATOR ONLYFOR MONTHLY MAINTENANCE WORKDURING THE L.C PERIOD, CAPACITOR BANK NO :I WILL CATER STATIONWAR LOADSIDApprovedFri", "05-May-20179:00Fri", "05-May-201715:001Sub to grid voltageSE Operation189Erode54288400 KVUdumalpet 400 KV230 KV Myvadi-Kadamparai-II feeder Breaker,CT line entire.For Monthly maintenance and PMI by lines wing.Both end LC appyiedIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Other #s will cater the loadApproved190Madurai54316110 KVTUTICORIN -SIPCOT 230 KVOn 110KV Sipcot-TTN-II feeder breaker with CTs and line isolators only.a)For monthly maintenance works. b).For fixing of ABT meter.During the L.C period, the 110KV Sipcot -TTN-II # will be in `off ` condition at both ends. The other end has also proposed LC on the same date.Since there is no intermediate SS, no other SS will be affected please.IDNOT POSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:001DUE TO 110 TTN-SIPCOT#1 LCSubject to EE/SLDC/Madurai concurrence191Erode54345110 KVDEVIAKURICHI 230 KV110 KV Thammampatty Feeder Breaker, CTsFor Monthly Maintenance work110KV Thedavoor SS availing Total Shutdown. Goodamalai SS; Thammampatty SS and Mettala SS availing back feeding Supply from 230KV pudansandhai SS by closing series switch at110 KV Namagiripet SS towards Deviyakurichy side.IDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Thadavour TSD and other inter loads fed from PSIApproved192Erode54460110 KVARASUR 230 KV110 KV Arasur-Coimbatore # Bkr and its CtsFor Monthly maintenance work.1)During the LC period 110 KV Arasur-Coimbatore feeder radial from 230 KV Coimbatore SS.2)110 KV Kallimadai SS Total shutdown.IDPossibleFri", "05-May-20179:00Fri", "05-May-201712:001After completion of LC at CBE endApproved193Erode54510110 KVPALLADAM 230 KV110 KV PALLADAM -PALLADAM # BREAKER ,CT'S AND LINE ENTIRE1)TO CARRYOUT MONTHLY MAINTENANCE WORK BY AE/MAINTENANCE/PALLADAM2)TO CARRYOUT PREMONSSON WORK BY AE/LINES PALLADAM1)110 KV PALLADAM SS FED FROM ARASUR 230 KV SS2)NO OTHER SS WILL BE AFFECTEDIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001sub to transfer of PLDM to ASRApproved194Chennai54516230 KVS.P.KOIL 230 KV230KV SPK-ORAGADAM FEEDERFOR LINE MTCE AND QUARTERLY MTCE WORKDURING THE PERIOD OF SHUT DOWN, ALL OTHER 230KV FEEDER WILL BE IN SERVICEIDPostponed to 6th MAYFri", "05-May-20179:00Fri", "05-May-201717:0010Approved195Chennai54554230 KVKADAPPERI 230 KV230KV KALIVANTHAPATTU - THARAMANI #FOR INSULATOR AND JUMPER REPLACEMENT WORK230KV SRIPERUMBUDUR - THARAMANI # & 230KV KITS - THARAMANI # ARE IN SERVICEIDPossible 6 - 9 hrsFri", "05-May-20175:00Fri", "05-May-201710:0010Approved 6 - 9 hrs subject to Grid condition196Erode54583230 KVOTHAKKAL MANDABAM 230 KV230KV OKM-Anaikadavu Feeder Entire (Breaker, CT's, 89M1, 89M2 & 89L Isolators)for PMI works by Lines/Palladam wing and monthly maintenance works.During the LC period, the remaining 230 KV feeders are in service to cater the SS loads.IDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Sub to wind generationApproved197Madurai54640230 KVkinnimangalam 230 KVAuto transformer 2Monthly maintenance workDuring the LC period other two transformers will be in service and cater the loadIDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:0010Approved198Chennai54653230 KVOragadam SS230kv SP KOIL FEEDERQuarterly maintenanceAll other 230&110 kv feeders will be in serviceIDPossibleFri", "05-May-20179:00Fri", "05-May-201715:0010Approved199Chennai54666400 KVThiruvalam 400 KV230kv Thiruvlam - SP KOVIL #Monthly maintenance work230 kv THIRUVALAM - SP KOVIL # kept off condition at both end .IDPossibleFri", "05-May-201710:00Fri", "05-May-201716:0010Approved200Madurai54690230 KVKAYATHAR 230 KVon 230 KV Kayathar - Veeranam # Breaker with CT and Entire Linea) For Monthly Maintenance workb) Tower to Tower Inspection WorkDuring the LC period other end also avails LC. Hence No SS affectedIDNOT POSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:001DUE TO 230 VRNM-KDKRI # LCApproved, After nornalisation of 230 kV VRNM-KDKRI #201Madurai54734110 KVPASUMALAI 230 KV1)110 KV Pasumalai -( Tirumangalam) -Kinnimangalam 3 # BKR & CT,LI only. 2) LC in section between Pasumalai and Tirumanagalam SS.1) Maintenance Works of BKR & CT, LI only. 2) Tree cutting works .1)Feeder will be kept radial from Kinnimangalam upto Tirumangalam SS 2) At Tirumanagalam SS the switch towards Pasumalai will be kept opened 3) Feeder Line isolator at Pasumalai SS willbe kept Opened T 4)Kappalur SS will be under shut down 5)Hence No interruption of Supply to any SSIDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201714:0010Approved202Chennai54750230 KVAlamathy 400 KV230KV NCTPS feeder and its equipmentsTo attend in 230KV NCTPS feeder'R' phase 'C' Isolator at 400KV Alamathy SS.During the shutdown period the 230KV NCTPS feeder will not be service.IDPossibleFri", "05-May-201710:00Fri", "05-May-201717:0010Approved Subject to grid condition203Madurai54793110 KVKARAIKUDI 230 KV110KV SVGA-KVNR # S/B Sivagangai- Manamadhurai.For Tower to Tower Inspection Work.During the L.C Period the 110KV Manamadhurai SS under Total Shut down. Hence there will be No interruption of Supply.IDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:001SUB TO LOAD CONDITIONApproved204Erode54804230 KVSINGARAPET 230 KV230KV South Bus and 230KV Arani # entire lineTo carry monthly maintenance work by AEE/MTC/230 KV SS / SPTDuring the LC perioda). 230KV Tiruvannamalai # & Salem # breakers will be in Off condition at Singarapet end and radial from other ends.b). 230 KV Arani # Breaker will be in off condition at both ends since maintenance work and TLC work programmedc). 230KV Bus coupler breaker will be in hand trip condition. d). 230 KV MTPS, 230KV Vinnamangalam, 230 KV Thiruvalam and 230 KV Gurubarapally feeders will be in service. e). 230KV GC breaker, all Auto Transformers and all 110KV Feeders will be in service, hence no interruption of supplyIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Sub to Arani # and TV Malai # loadingApproved205Erode54875230 KVKARUVALUR 230 KV230kV Karuvalur-PGCIL feeder breaker,CT's and line switchFor Monthly maintenance work &PMI by PLDM/Lines (LC-OCC Approved)230kV KVLR-Karamadai #,Auto Transformer 1&2 will be in serviceIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Approved in 130th OCCApproved206Chennai54889230 KVKADAPPERI 230 KV230KV Kalivanthapattu - Tharamani feederInsulator and replacement work.230KV KITS - Tharamani feeder and 230KV Sriperumbudr - Tharamani feederIDPossible 6 - 9 hrsFri", "05-May-20179:00Fri", "05-May-201717:0010Not approved207Erode54905230 KVINGUR 230 KV230KV MTPS # Breaker, CTs, ,Isolators and Line side Isolator and 230 KV main Bus & Auxillary Bus switchLAS ERECTION WORKS & MONTHLY MAINTENANCE WORKSBOTH SIDE LC ON THAT DAYIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Other #s will cater the loadApproved208Madurai54960110 KVKAVANOOR 230 KVA) 110 KV KAVANOOR-MANAMADURAI-SIVAGANGA # BR. & CT B) 110 KV KAVANOOR-MMDU-SVGA # SEC. BET. KAVANOOR & MANAMADURAILINE MAINTENANCE WORKFEEDER TO BE KEPT RADIAL FROM SIVAGANGA TO MANAMADURAI; MANAMADURAI, ARASANOOR AND NELMUDIKARAI SS UNDER TOTAL SHUTDOWN; L.R. 21.9 MWIDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:001SUB TO LOAD CONDITIONApproved209Madurai55007110 KVthen I 230 KV110KV THENI-PERIYAR I & II FEEDER BREAKER WITH CT ONLY (ONE BY ONE)For monthly maintenance workDuring the LC period the feeders will be radial from other end.IDPOSSIBLEFri", "05-May-20170:00Fri", "05-May-20170:001SUB TO WIND GENApproved210Chennai55027230 KVSINGARAPET 230 KV230KV MAIN BUS.Monthly Maintenance on Bus Isolators, Jumpers.1. There is only one Auto available.2.Auto will not be in Service.3.Intermediate SS Loads will be fed radially from other ends.4.230KV Deviakurichi & 230KV K.R Thoppur will be fed radially from other ends.5.No LV Proposed at Deviakurichi end & at Salem end.IDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Sub to 230 KV DKY-TAQA # tie conditionApproved211Madurai55028230 KVEACHANGADU 230 KV230 KV Bus Coupler Breaker & B'Bus CVT OnlyFor MONTHLY MAINTENANCE WORK230 KV Bus Coupler and B'Bus CVT are in stand by equipment since load flow does not affected.IDPOSSIBLEFri", "05-May-201710:00Fri", "05-May-201717:0010Approved212Madurai55031110 KVEACHANGADU 230 KV110 kv MCL-1 Feeder BREAKER , CT'S ONLYFor MONTHLY MAINTENANCE WORKDURING THE ABOVE SHUTDOWN PERIOD THERE WILL BE NO INTERRUPTION TO EHT CONSUMER .Since the feeder is in idly chargedIDPOSSIBLEFri", "05-May-201710:00Fri", "05-May-201717:0010Approved213Madurai55052230 KVNEMALITHIPIYAKUDI 230 KVA)230KV NEMMELI THIPPIYAKUDI-THIRUVARUR FEEDER BREAKER, CT's AND LINE ISOLATOR. B)230KV NEMMELI THIPPIYAKUDI-THIRUVARUR FEEDER ENTIREA)FOR MONTHLY PREVENTIVE MAINTENANCE WORK BY AEE/MTC/ NEMMELI THIPPIYAKUDI. B)FOR PREMONSOON INSPECTION BY AE/LINES /PATTUKKOTTAI.1)DURING THE LC PERIOD 230/110KV NEMMELI THIPPIYAKUDI SS RADIALLY FED FROM 230KV KARAIKUDI SS. 2) NO INTERRUPTION TO ANY SS AND ALL OTHER FEEDERS ARE TIED CONDITION.IDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:001SUB TO LOAD CONDITIONApproved214Erode55066110 KVMETTUR AUTO 230 KV110KV MDPH Feeder IFor Monthly Maintenance workDuring the LC period 110KV MDPH feeder II will be in serviceIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Sub to #1 loading limitApproved215Erode55073110 KVErode 110 KV110 KV THIRUVACHI FEEDER BREAKER AND CTMONTHLY MAINTENANCE WORK.DURING LC PERIOD 110KV METTUKADAI SS WILL BE FED FROM INGUR 230 KV SS. NECESSARY CONCURRENCE OBTAINED FROM SE/EEDC/ERODE.IDPossibleFri", "05-May-20179:00Fri", "05-May-201715:001Inter loads fed from Ingur230Approved216Erode55102110 KVSingarapet 110 KV110KV SINGARAPET - ARANI # II BKR & CT'S & LINE SIDE ISOLATERSMONTHLY MAINTENANCE WORK & VARIOUS LOCATIONS CUT POINT JUMPERS TIGHTNESS WORK.DURING THE LC PERIOD SPT END RADIAL CHARGED CONDITION. HENCE NO INTERRUPTION OF SUPPLY.IDPossibleFri", "05-May-20179:00Fri", "05-May-201715:001Already inter loads fed fromApproved217Chennai55118110 KVCUDDALORE 230 KV110 kV Panruti Spur line (fed from 110 KV Neyveli VPM grid fdrII )Lines work for jumper rectification works in Railway crossing loc 25-26The 110 KV Arasur SS will be availing Total shutdown. Hence no interruption of supplyIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Subject to load conditionApproved218Erode55133230 KVSalem 400 KV230 KV Salem Steel Plant I # - Its CT, BREAKER, BUS & LINE SWITCHESMonthly Maintenance Work230 KV SSP II # will be in service condition. Concurrence awaited from M/s. SAIL Ltd.,IDPossibleFri", "05-May-20178:00Fri", "05-May-201714:001# 2 will cater the loadApproved219Erode55152110 KVGOBI 230 KV110 KV KAVUNDAPADI FEEDER BREAKER AND CT'SFOR MONTHLY MAINTENANCE WORK110 KV KAVUNDAPADI SS MAY AVAIL TOTAL SHUTDOWN.NO OTHER SS WILL AFFECTEDIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Sub to kavundapadi TSDApproved220Madurai55221110 KVSEMBATTY 230 KV1.110 KV Sembatty - Renganathapuram II Feeder Breaker, CTs and relays0During the LC period, Gandhigramam SS is availing total shut down, the feeder will be radial from Renganathapuram end.Hence no interruption to any SS.IDPOSSIBLEFri", "05-May-201710:00Fri", "05-May-201717:0010Approved221Erode55233230 KVALIYAR 230 KV230KV ALR-UDT FEEDER CB,CT AND LINE ENTIREQuarterly mtce workDuring the LC period KDH feeder will caters the loadIDPossibleFri", "05-May-201710:00Fri", "05-May-201716:001Sub to load conditionApproved222Erode55243110 KVCOIMBATORE 230 KV110KV Coimbatore - Arasur feeder breaker and CTsMonthly maintenance works1. Scheduled shut down at 110/11KV Kallimadai SS on 05.05.2017.2. 110KV CBE - Arasur feeder loads (KPR Mill EHT service, Sulur traction EHT service and 110KV Irugur SS ) will be transferred to 230KV Arasur SS.IDpossibleFri", "05-May-201713:00Fri", "05-May-201717:001Sub to Kallimadai TSD and all other inter loads fed from Arasur230Approved223Chennai55264110 KVTHIRUVALAM 230 KVi)On 110KV Capacitor Bank-I and 110KV Capacitor Bank -II Breaker and CTsone by oneFor Monthly Maintenance WorksDuring the period of LC i) Auto-Tr-I ,HV-I,LV, Auto-Tr-II ,HV-II,LV-II , Auto Tr-III,HV-III,LV-III, and Auto Tr-IV,HV-IV,LV-IV, will be in service and cater the SS Loads. ii) The 110KV Capacitor Bank I and 110KV Capacitor Bank-II one by one will be in OFF Condition iii)The 230KV Link-II, 230KV Chittoor interstate feeders,230KV Link-I # and 230KV Mosur feeders will be in service and cater the SS Loads. Hence there will be no interruption of supply please.IDSE/OPERATION APPROVALFri", "05-May-20179:00Fri", "05-May-201715:0010SE Operation224Chennai55288230 KVThiruvalam 400 KV230KV Thiruvalam S.P.Koil feeder entire.For replacement of aged disc at Location 121During the period of LC i. 230KV Thiruvalam S.P.Koil feeder Breakers both end will be in OFF condition at 230KV Thiruvalam & 230KV S.P.Koil SS. ii. All other 230 KV feeders 230KV Link I, Link II, Singarapet feeders are in service.Hence there will be no interruption of supply please.IDPossibleFri", "05-May-20179:00Fri", "05-May-201714:0010Approved225Madurai55304230 KVUDAYATHUR 230 KV230/110kv Auto tr,HV & LV breaker1.Monthly Maintenance2. Annual relay Test1.During th LC period the 110kv Radapuram ,110kv Samugarengapuram feeders will be Fed from 230kv Sankaneri ss thro110kvsankaneri -Udayathoor #. Noss affected.IDPOSSIBLEFri", "05-May-201710:00Fri", "05-May-201715:001SUB TO WIND GENApproved226Madurai55313GENERATING STATIONSKODAIYAR PH2S.R.Pudur 110 KV #-1 SF6 BreakerMonthly MaintenanceNo generation will be affected. S.R.P 110 KV #-1 radial from S.R.Pudur upto Kodayar P.H.2 endIDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201717:0010Approved227Erode55344110 KVPONNAPURAM 230 KV110 KV Northern Bus EntireFor monthly maintenance works0IDPossibleFri", "05-May-201710:00Fri", "05-May-201717:001Sub to wind & load conditionApproved228Erode55354230 KVUDUMALPET 230 KV230KV UDT-ALIYAR FEEDER BREAKER AND LINE ENTIREFOR MONTHLY MAINTENANCE WORKSTHE ABOVE FEEDER LOADS WILL BE FED FROM 230KV MYVADI LINK I & II FEEDERSIDPossibleFri", "05-May-20179:00Fri", "05-May-201717:001Other #s will cater the loadApproved229Madurai55355230 KVANUPPANKULAM 230 KV230KV Northern Bus entire.For providing of dropper jumper in 230KV Anuppankulam - Madurai feeder Bus Bar to 230KV strung Bus, line switch to terminal tower and HV-I isolator. ( Augmentation of 100MVA to 160MVA Auto Transformer work)During the LC period,Auto transformer - I, HV-I, LV-I in tripped condition.230KV Anuppankulam-Kayathar feeder and 230KV Anuppankulam-Madurai feeder will be under total shutdown.Auto Transformer-II & III will be fed from 230KV Anuppankulam-Sterlite feeder only.IDPOSSIBLEFri", "05-May-20179:00Fri", "05-May-201712:0010Approved230Chennai55420110 KVVillapuram 110 KV110KV VPM- Neyveli- I #Breaker CTs & Line side isolator maintenance works1. the 110KV Neyveli I feeder at Thirupachanur SS towards Villupuram side will be kept open condition.2. The feeder will be kept radial from Neyveli TS/end.3. Arasur SS in Neyveli-II # availing total shut down.4. Neyveli-II #, T.V.Malai and Acharapakkam # are in tied condition& jumper Tightening works in the Traction Line.5. Hence no interruption of supply in any SS.-IDPossibleFri", "05-May-20179:00Fri", "05-May-201717:0010Approved231Erode55427110 KVDEVIAKURICHI 230 KV110KV Deviakurichi-Thammampatty Feeder (Section Between Deviakurichy 230KV SS to Gudamalai 110KV SS)All Cut Point jumper Tightness Work1) 110KV Thedavoor SS availing total shutdown.2)Deviakurichi 230KV SS availing Monthly Maintenance work for thammampatty feeder.3)Pudhanchandai 230KV SS radial fed upto Gudamalai 110KV SS End.4)There will be no i8nteruption any other SS.IDPossibleFri", "05-May-20170:00Fri", "05-May-20170:001Sub to Thedavoor total shutdown and # kept radial from PSI 230 upto Gudamalai110Approved232Madurai54117230 KVTUTICORIN -AUTO 230 KVOn 230KV TTPS-Koodankulam feeder entireFor replace damage conductor at lo0c.No.23 R-Ph and old disc insulator replacement works at loc.No.75 R-Ph. For safety purpose sipcot-I, II,III will be in tripped.No ss will be affected. During the above LC period Koodankulam SS will be fed from SR Pudur SS & 110KV Sipcot-I, II, III feeders will be radially fed from 230KV Meelavittan SS.ID0Fri", "05-May-20179:00Fri", "05-May-201717:001LC MAY BE PROGRAMMED ON 5.5.17Approved233Erode54294110 KVPUDHANCHANTHAI 230 KV110KV Bus Coupler CB and CTs.For monthly maintenance works.During LC period110KV West & East Bus loads will be fed By Auto-I & Auto-II separately/independantly.No supply interruption.IDPostponedSat", "06-May-20179:00Sat", "06-May-201715:001Recommended on 06.05.17Approved234Madurai53965GENERATING STATIONSPAPANASAM110KV PPM - OT PATTI FEEDER BREAKER WITH CTFor carrying out monthly maintenance work.Present PWD demand is 200 CUSECS. During the LC period the feeder will be radial from other end.Hence, no SS will be affected.IDPOSSIBLESat", "06-May-201710:00Sat", "06-May-201712:001SUB TO WIND GENApproved235Madurai53976110 KVALUNDUR 230 KV110KV Alundur - Thanjavur Feeder breaker,CT's