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Distribution List – 3rd Meeting of Nodal Officers for SEM data Coordination

1. Shri V.Balaji ,DGM (MO) SRLDC, POSOCO, Bangalore

2. Shri Basawesvara Rao, Manager (AM),SRTS-1,PGCIL, Secunderabed

3. Shri Rajeswara Rao, Dy.Manger (Comml) SRTS-II PGCIL, Bangalore

4. Shri. D. Praveen Maurice, Divisional Engineer/ SLDC ,APTRANSCO, Hyderabad

5. Shri Dilip Kumar, SE, KPTCL, SLDC, Bengaluru.

6. Shri. Beno Paul ,Executive Engineer (LD2) Office of CE(SO), KSEBL, Kalamassery

7. Shri .P . Murugavelan, AEE/Grid TANTRANSCO , Chennai

8. Shri. P. Chandra Shekar, Divisional Engineer/SLDC TSTRANSCO ,Hyderabad

9. Shri . V.V .Subramaniam, Assistant Divisional Engineer/EBC TSTRANSCO ,Hyderabad

10. Shri. R.Ram Mohan, Assistant Engineer, System Control Center, ED , Puducherry

11. Shri Sunil Kumar A, Kamala Purkar ,AEE (Elect),220KV S/S Curti –Ponda ,Goa

12. AGM (EMD) ,NTPC , Ramagundam

13. Shri P.Narayan ,DGM (EEMG),NTPC Talcher, Kaniha

14. Shri K Suresh Babu ,DGM (EEMG),NTPC Simhadri

15. Shri M.Sampath , Chief Manager (Electrical) ,NLC TPS-II Neyveli

16. Shri E Sachindra Kumar, Chief Manager (Electrical) ,NLC TPS-I Expansion Neyveli

17. Shri N.Duraikannan , Chief Manager (Electrical) ,NLC TPS-II Expansion Neyveli

18. Shri J.Rooby, STE (C&CS),MAPS ,Kalpakkam,NPCIL

19. Shri G.K.Sunil ,Sr. Operation Engr. (KGS 1& 2),Kaiga, NPCIL

20. Shri R.Ramesh Babu, SOE, Operation Group,KKNPP,NPCIL

21. Shri R.Ramanavasu ,ACE (E),BHAVINI,NPCIL

22. Shri R.Rajendran, Deputy Manager (Electrical),NTECL, Vallur, Chennai

23. Shri.K.C Ragunathan, Chief Manager (Electrical),NTPL Tuticorin

24. Shri A.U.Azarudeen,Senior Engineer (E),Coastal Energen,TN

25. Shri A.Seshagiri Rao ,Lead Engineer (Electrical), MEPL ,Nellore

26. Shri L.V.Nagabhusanam ,AGM (Electrical),SEL ,SPSR Nellore

27. Shri Nageshwar Rao ,JVLH,AGM TPCIL, SPSR , Nellore

28. Shri P.Sunil, Dy. General Manager, Kudgi STPP,NTPC

Summary of deliberations -3rd Meeting of Nodal Officers -5th August 2016 Page 1

Summary of Deliberations in the 3rd Meeting of Nodal Officers for SEM Data Coordination held on 5th August 2016 at SRPC, Bengaluru

In the 31st Meeting of Commercial Sub-Committee of SRPC held on 2nd June 2016 it was

agreed to convene the 3rd Meeting of Nodal Officers for SEM data coordination to sort out the SEM data issues. Accordingly the 3rd meeting of Nodal Officers for SEM coordination was held on 5th August 2016. The list of participants is enclosed at Annexure A.

Shri S.R.Bhat ,Member Secretary (MS), SRPC welcomed all the Nodal Officers and

participants to the 3rd Meeting of Nodal officers for SEM data coordination. MS, SRPC appreciated the diligent efforts made by SRLDC in sorting out the SEM issues

and requested the utilities to submit SEM data to SRLDC within the prescribed time as stipulated in the IEGC.

MS, SRPC also placed on record the services rendered by Shri A.Ravindra, Dy. Mgr , SRLDC, (who is superannuating in September, 2016) to the Southern Regional grid and SRLDC. He appreciated the efforts made by him in collection of SEM data from various places in the Pre ABT and Post ABT period.

DGM, SRLDC welcomed all the participants to the meeting. He informed the forum that

cooperation rendered by the nodal officers was encouraging. He also placed on record the services rendered by Shri A.Ravindra, Dy. Mgr , SRLDC in the Market Operation division of SRLDC/POSOCO.

SRLDC informed the forum that the response from the SEM data coordinators was encouraging and considerable improvement in data receipts was noted. SRLDC also requested nodal officers/maintenance staff to maintain sufficient spares / accessories at the locations for early rectification of SEM data issues.

Agenda points were taken up for deliberation. The Presentation made by SRLDC is attached at Annexure B.

1. Non Availability of SEMs as per CEA metering regulations

The issue of Non availability of SEMs as per CEA metering regulations was discussed in various forums of the SRPC.

The issue was discussed in the 31st meeting of Commercial sub committee as Agenda item No 7.8. The status update and the deliberations in the meeting are as follows.

S.NO Element Non availability Deliberations and decisions 1 MAPS: GTs (HV

side) Stand By The forum requested SRTS II,

PGCIL (CTU) to install SEMs within a Month in coordination with MAPS. SRTS II, PGCIL agreed for the


same. MAPS to coordinate with SRTS II, PGCIL for local support, accuracy check etc.

2 Vallur : 400kV NCTPS lines 1 & 2

Check The forum requested SRTS II, PGCIL to install the SEM. SRTS II, PGCIL agreed to install the SEM within a Month’s time. Vallur, NCTPS to coordinate with SRTS II, PGCIL for local support, accuracy check etc.

3 400kV Mysore-Nelamangala Lines 1&2

at Mysore SRTS II, PGCIL informed that they will install the SEM within a Week’s time.

4 400kV Hoody-Kolar Lines 1&2

Hoody The forum requested KPTCL to install the SEMs. KPTCL agreed to install the SEMS within a month .

5 400kV UPCL-Hassan line 1&2

UPCL The forum requested KPTCL to install the SEMs. KPTCL agreed to install the SEMS within a month .

6 400kV Nelamangala-Hassan line

Nelamangala The forum requested KPTCL to install the SEMs. KPTCL agreed to install the SEMS within a month .

7 400kV Talaguppa-Hassan Line

Talaguppa The forum requested KPTCL to install the SEMs. KPTCL agreed to install the SEMS within a month .

8 400kV Guttur-Hiriyur lines 1&2

At Hiriyur: Both Line-1 and 2

At Guttur: Line-2

The forum requested SRTS II, PGCIL and KPTCL to install the SEMs. SRTS II, PGCIL agreed to install SEMs at Hiriyur: within a Month KPTCL agreed to install SEMs at


Guttur within a Month.

9 Bonakaalu-Chillakallu lines 1&2

Bonakaalu end of 132kV Line

The forum requested TSTRANSCO to install the SEMs at the earliest. TSTRANSCO agreed to install the SEMs by 20th Sep’2016.

10 400kV Hiriyur-BTPS lines 1&2

Both Hiriyur and BTPS

The forum requested SRTS II, PGCIL and KPTCL to install the SEMs. SRTS II, PGCIL agreed to install SEMs at Hiriyur within a Month. KPTCL agreed to install SEMs at BTPS within a Month.

2. Non-compliance / Pending Issues as per 2nd Meeting of Nodal Officers

for SEM Data Coordination The Non-compliance / Pending Issues as per 2nd Meeting of Nodal Officers for SEM Data

Coordination was discussed in the 31st Meeting of commercial committee vide Agenda Item No 8.

The status update and the deliberations, regarding pending issues, in the meeting as follows.

S.NO Description Deliberations in the 2nd Nodal Officers

Meeting

Status update , Deliberations and decisions

Item 1(b) of the MoM of 2nd meeting

Replacement of SEMs at Thiruvalam and Theni.

(i) TANTRANSCO informed that the SEM would be replaced within April’16.

(ii) SRLDC informed that without SEM at Thiruvalam there is no check for the correctness of the SEM at Chithoor.

(iii) The forum requested TN to replace the meter at Thiruvalam at the earliest.

The forum enquired about the status of SEM replacement . TANTRANSCO informed that Purchase Order has been placed and SEMs would be replaced within 2 month’s time . The forum requested TANTRANSCO to replace the SEMs at Theni and Thiruvalam at an early date.


Item 1(c)

of the MoM of 2nd meeting

Non receipt of SEM data from Kadra, Kodasalli, Guttur and Nelamangala:

(i) DGM, SRLDC informed that the receipt of SEM data from Guttur had improved. Other stations no improvement.

(ii) He informed that the SEM data from Yerrandahalli also not reaching SRLDC.

(iii)SRLDC insisted that the above problem is persisting for last 6 months and is yet to be resolved.

(iv) Representative from Karnataka informed they were not aware of the issue and the same will be informed to the concerned person

(v) The forum requested KPTCL to resolve the SEM issues in the stations mentioned above immediately.

The forum proposed to seek nodal officer nomination from KPCL to sort out KPCL station’s SEM issues. The forum requested SRLDC to send letter to KPCL for nomination of Nodal Officer for SEM data coordination for Kadra, Kodasalli, RTPS and BTPS stations. KPTCL was requested to coordinate with KPCL regarding SEM issues . The forum requested KPTCL to replace the SEMs at Nelamangala. The forum suggested that KPTCL may approach SRTS II, PGCIL to replace the SEMs on Loan basis. KPTCL agreed to replace the SEMs at Nelamangala by the end of August’ 16 .

Item 1(f)


Installation of SEMs on (a) Kolar Line-1&2 at Hoody (b) Mysore end of 400kV Nelamangala lines 1&2:.

(i) PGCIL,SRLDC informed that the SEMs from the Manufacturer yet to be received .On receipt of SEMs they would be replacing the meters.

(ii) SRTS II, PGCIL informed that SEMs at Mysore has to be installed by POWERGRID and by KPTCL at Hoody.

The forum enquired about the status of installation of SEMs. SRTS II, PGCIL informed that they have received 250 No. of SEMs and 50 No. DCDs. SRTS II, PGCIL informed that they will install SEMs within a week’s time.


(ii)The CC forum requested PGCIL to pursue with the manufacturer to deliver the SEMs to address the SEM issues.

Item 1(g)


Reactive Register Jump:

(i) the issue was discussed in Agenda item No (6).

(ii) The constituents are agreed to replace the erratic meter reading to Zero and issuing the accounts.

(iii)SRLDC suspected that bug in the meter software might be causing this error.

(iv) PGCIL informed the same shall be taken up with the manufacturer.

(v) SRLDC requested the concerned utility to take up the issue with the meter manufacturer to resolve the issue.

(vi) SRLDC also recommended replacement of meter, if it is found to record erroneous readings consecutively for two occasions.

PGCIL was requested to take necessary action to replace all the SEMs of the particular make which was having the “reactive counter jump problem” with another make SEMs and take up the issue with supplier and also to share the progress /action taken in this regard with SRPC and SRLDC. SRPC Secretariat requested SRLDC to inform the erroneous reading i.e., Reactive Register jump, Under recording, Over recording in the SEM discrepancy statement after pair check for proper accounting of energy. As per the CEA Metering Regulations, the Discrepancy shall be reported to the Appropriate Transmission utility / LDC/ Licensee to ensure proper accounting as well as to avoid / address the repetition of SEM data issue. SRLDC agreed for the same.


Item 3.


Non-compliance of data format

(i) SRLDC informed that PGCIL yet to circulate the patches to all the sites.

(ii) SRTS II, PGCIL informed that the issue will be sorted out by this month end, i.e., June 2016.

SML:

PGCIL informed the revised software has been received from the manufacturer and they would circulate the same to all the Nodal officers along with the installation procedure.

L&T:

SRLDC informed that over recording issues in L&T SEMs having Vincom version are on the rise

SRLDC requested PGCIL to take necessary action to upgrade the Vincom to Vinplus at all the stations, as advised by the manufacturer.

SRLDC informed the forum that sites have been reporting some compatibility issues with the Vinplus software in the latest versions of windows.

PGCIL informed that the compatibility issue will be taken up with the manufacturer and resolved within 10 Days.

They also informed that the revised software upgrade patches from Vincom to Vinplus shall be shared with all the Nodal officers.


Item 4. Naming Convention:

(i) SRLDC informed that in a few locations, in TS, TN, Karnataka and PGCIL stations, naming convention is not followed.

(ii)The forum requested the utilities to follow the naming convention and send the data to SRLDC within the stipulated date.

All the constituents agreed to resolve the issue latest by 08/08/2016.

Item 5. Non-receipt of encrypted data and NPC files:

(i) SRLDC informed that from a few locations in AP, TN, Karnataka and PGCIL stations NPC files not received with SEM data.

(ii) The forum requested the utilities to send the NPC files to SRLDC along with SEM data.

NLC TS-2 agreed to resolve the issue within 2 months. The other constituents agreed to resolve the issue by 08/08/2016.

Item 6. Non receipt of time drift statements

(i) SRLDC informed that in 70-80 % of the sites time Drift is within the permissible limit (i.e., within two minutes).

(ii) The Stations as listed in Annexure 3A are requested to send the corrected time drift statements regularly with the SEM data.

(iii) The forum requested utilities to correct the time drift through DCD, if it’s more than 2 minutes and to

All the constituents agreed to resolve the issue latest by 08/08/2016.


maintain it with in the permissible limits.

Item 8 Replacement of SEMs at NLC TS-1 Exp :

(i) NLC informed the forum that SEM is available with them and are waiting for a shutdown opportunity to replace them.

SRLDC informed that NLC TS-1 Exp has replaced the Check SEMs and it is observed that the SEMs S.Nos are clashing with that of NLC TS-2. NLC TS-1 Exp agreed to correct the same within a month. SRLDC requested NLC TS-1 Expn. to give prior intimation on the Serial Numbers of the SEMs before replacement and NLC TS-1 Exp agreed for the same.

Item 9 Nodal Officers are not intimating the reasons for discrepancies, like under-recording / over-recording etc.

(i) The forum requested all the concerned to report the discrepancies, such as under-recording / over-recording etc., along with the SEM data.

The nodal officers agreed to comply the same from 08/08/2016.

Item 13 Replacement of B-Type SEMs at Theni and Thiruvalam.

(i) TANTRANSCO informed that the SEMs would be replaced shortly.

TANTRANSCO informed that SEMs will be replaced within 2 months.

Item 15

PGCIL to keep additional sets of DCDs, Cables and Cards

(i) PGCIL informed that the status would be confirmed shortly.

PGCIL informed they have procured enough DCDs and cables.

Item 16 Sites yet to be informed of the contact details of Nodal Officers.

All the nodal officers agreed to update /circulate their contact details to all the sites (SEM Locations) with an advice to refer the problems to their respective Nodal officers.


Item 17 Sending single files- Sites still not complying listed in Annexure -4A.

(i) SRLDC requested the utilities to send single NPC files for all meters in a site.

All the nodal officers agreed to comply the same from 08/08/2016.

The Consolidated list of SEM data pending issues as submitted by SRLDC as on date is enclosed at Annexure C .

3. New Agenda 1 : Information to Nodal officers

SRLDC suggested that the Nodal officers may advise their sites to mark a copy of all the communication made to SRLDC (including data transfer and time drift statements etc.) to the respective nodal officer.

SRLDC stated that this would help them to get the first hand information directly from the sites besides enhancing the efficacy of monitoring and inducing accountability.

The forum agreed to the SRLDC suggestion.

All the Nodal officers agreed for the same.

The Updated List of nodal officer is attached at Annexure D .

4. New Agenda 2 :Replacement of SEMs with more than 5 Min time drift

SRLDC informed that, in view of huge commercial implications involved, the forum may advise the utilities to replace the SEMs having time drift of more than 5 Minutes.

SRLDC informed that they have circulated the list of SEMs having huge time drift .

The forum recommended to replace the following SEMs on priority basis.

1. 230kV Chittor line at Thiruvelam

2. 230kV Moozhiyar line at Theni

3. 400kV SV Chatram Line at Sriperumbudur

4. 400kV Narendra Line-1 at Guttur

5. 400kV Narendra Line-2 at Guttur

6. 400kV Kaiga Line-1 at Guttur

7. 400kV Kaiga Line-2 at Guttur

8. 400kV Hyderabad Line at Gajwel.

5. Advancement of SEM data transmission

SRLDC requested to advance the target time of sending the SEM data to 1700 hrs of Monday so that enough time, till 12 noon of Tuesday, is available to them to address any unexpected problems in sending the data.

All the nodal officers responded favourably to their request.


In the meeting SRLDC assured the forum that if all the SEM data is received by 1200 noon of Tuesday from all locations, processed SEM data can be transmitted to SRPC by every Thursday noon.

6. No intimation from BHAVINI regarding drawl of Start up power from TN lines

It was brought to the notice of the forum that as per the MoM of special meeting at SRPC on 23/01/2013 regarding energy accounting of BHAVINI, BHAVINI has to inform SRLDC regarding drawl of start up power through 230kV Tamil Nadu lines in case of outage of MAPS-BHAVINI tie lines.

However for the shutdown taken by BHAVINI from 23/05/16 to 04/06/16 they have not informed SRLDC.

SRLDC informed the forum that in the absence of the above information accounting of energy of Tamil Nadu and MAPS becomes difficult.

The forum requested BHAVINI to inform the shutdown/bay change issues before and after the period of availing the same to the System Operator.

BHAVINI agreed to inform the same to SRLDC

7. Additional points discussed in the Meeting 7.1 Procurement of SEMs by CTU

It was proposed that states could give their requirement for procurement of SEMs to CTU. CTU may procure the same and commercial settlement could be done bilaterally.

Member Secretary, SRPC suggested that the issue of commercial implication can be referred to SRPC forum.

7.2 Preparation of metering procedures along with roles and responsibilities of all the entities:

MEPL and SEPL had raised an issue that which agency shall be approached to get clearance for testing the SEMs at their station.

Member Secretary SRPC suggested that there could be a Procedure with roles and responsibilities of all the entities.

SRLDC agreed for the same and shall prepare the draft document in co-ordination with SRPC & CTU. The same shall be submitted to SRPC forum for approval.

The Nodal Officers suggested SRLDC to create a Google group of Nodal Officers for timely exchange of information. The forum accepted the suggestion and SRLDC agreed for the same.

8. Vote of Thanks MS, SRPC thanked all the Nodal Officers and participants for their valuable contribution to the meeting .

*****

Rajan

ANNEXURE A (1/2)

Rajan

ANNEXURE A (2/2)

ANNEXURE B 8/19/2016

1

3RD MEETING OF NODAL OFFICERS ON SEM DATA COORDINATION

NON AVAILABILITY OF SEMS AS PER CEA METERING REGULATIONS

Element Non availability of SEM

To be installed by

MAPS: GTs Stand By CTU/MAPS

Vallur : 400kV NCTPS lines 1&2 Check NCTPS/CTU

400kV Mysore-Nelamangala Lines 1&2

At Mysore CTU

400kV Hoody-Kolar Lines 1&2 Hoody KPTCL

400kV UPCL-Hassan line 1&2 UPCL CTU/KPTCL/UPCL

400kV Nelamangala-Hassan line Nelamangala CTU/KPTCL

400kV Talaguppa-Hassan Line Talaguppa KPTCL

400kV Guttur-Hiriyur lines 1&2 Both Guttur & Hiriyur CTU / KPTCL

400kV Hiriyur-BTPS lines 1&2 Both Hiriyur and BTPS KPTCL

132kV Bonakaalu-Chillakallu lines 1&2

Bonakaalu TS


2

NON AVAILABILITY OF SEM ON BOTH ENDS OF THE LINE BELONGING TO SAME ENTITY

• In 26th SRPC meeting held in Vishakapatnam, CTU agreed to install SEMs on both ends of their line irrespective of ownership

In the backdrop of increased complexities in Transmission network, a need is felt for installing the SEMs on both ends of all the feeders of same licensees also irrespective of ownership

• The same has been taken up in 31st CCM and is yet to be installed.

• CTU is requested to arrange for the same at the earliest

HUGE TIME DRIFT AT THIRUVELAM • The issue regarding huge time drift at 230kV Chittoor line at Thiruvelam

has been brought to the notice of Tamil Nadu in various Nodal officers meetings and commercial subcommittee meetings.

• The SEM is having this problem from 15/06/2015 and SEM at Chittoor end of the line is being used in the accounting of both AP and TN.

• There is no means to check the correctness of the SEM at Chittoor.

• As per the latest time drift statement received from station on 01/08/2016, the time drift observed is ~291 days.

• Tamil Nadu is requested to take immediate action to replace the SEM.

Annexure VII PG lines without SEMs at both ends.xls


3

HUGE TIME DRIFT AT THENI • The issue regarding huge time drift at 230kV Moozhiyar line at Theni

This has been brought to the notice of Tamil Nadu in various Nodal officers meetings and commercial subcommittee meetings.

• There is no means to check the correctness of the SEM at Moozhiyar.

• As per the latest time drift statement received from station on 01/08/2016, the time drift observed is ~48Min.

• Tamil Nadu is requested to take immediate action to replace the SEM.

NON RECEIPT OF SEM DATA FROM KARNATAKA

• SEM data is not being received from many stations in Karnataka

Station From Remarks

Kadra March 2015

Nelamangala 21-Mar- 2016

Yarendahalli 25-Apr-2016

Sedam Very Irregular In the past 12 weeks, data not received for 3 weeks and 7 times received after Tuesday.

Bellary Irregular In the past 12 Weeks, data not received for 2 weeks


4

REACTIVE REGISTER JUMP IN ‘ELSTER’ SEM

• Sudden jump in the ‘H’ reactive register of Elster SEMs is being observed

• This is resulting in huge commercial implications in reactive account

• The issue was persisting from 25/02/2016

• CTU is requested to resolve the issue on emergency basis

List

OVER RECORDING IN L&T SEMS

• Over recording of SEMs of L&T make is on rise.

• As advised by manufacturer, CTU may immediately upgrade the software version from Vincom to Vinplus

Discrepancy in Reactive reading.xlsx


5

OVER RECORDING-SAMPLE GRAPH

9

NON-COMPLIANCE OF DATA FORMAT

Secure (SML)

• SML had Date format error from 01/01/2016

• SRLDC received a temporary patch for the same

• The revised software is yet be received

L&T

• It is being reported by sites, that L&T software versions are not compatible with upgraded versions of Windows i.e. windows 7,8

• CTU is requested to take up the issue with manufacturer and arrange for solution immediately


6

NAMING CONVENTION FOR THE DATA FILE

• Data files both NPC and Encrypted files to be named in the following format

• ddmmXXXX.NPC (OR) ddmmXXXX.DAT

• Where ddmm is the date of the Monday following the week data has been collected.

• XXXX is the station code

• Eg If the data is being collected for the week 25-07-2016 to 31-07-2016, for the station Nelamangala, it shall be named as 0108NLM.npc or 0108NLM.MRI

NAMING CONVENTION FOR THE DATA FILE

Telangana Code Karnataka Code

Tamil Nadu Code

N’Sagar NSD Raichur RTPS Achrapakkam ACPK

Malkaram MLKM Sedam SDM Alamathy ALMT

Narketpalli NKT Kadra KDR Kayathar KYR

Kadakola KAD TTPS TTPS


7

NON RECEIPT OF ENCRYPTED FILES

TELANGANA KARNATAKA ISGS

ALAMPUR X ROADS YERANDAHALLI NLC REMOTE

NLC TS2

NON RECEIPT OF NPC FILES

AP TELANGANA KARNATAKA TN ISGS

KURNOOL MALKARAM BELLARY ALAMATHY BHAVINI

KTPS SEDAM

KADAKOLA


8

NON RECEIPT OF TIME DRIFT STATEMENTS Andhra Pradesh

Telangana Karnataka Tamil Nadu SRTS-1 SRTS-2 Generators

Ragulapadu Aswarao peta Hoody

Arni Kadapa Karaikudi NTPL

Nunna Dichipally

Kadakola

Achrapakkam Khammam Somanhalli Coastal Energen

Dindi Kadra

Alamathy 765kV Kurnool Sriperumbudur BHAVINI

Madhira Kodasally

Gummidpoondi Nellore Nagapattinam

Mamidipally Konaje

SP koil N’Sagar Talcher HVDC

Tandur Nelamangala

Warangal

Wadapalli RTPS

Wanaparthy Ambewadi

Sedam

Yarandahalli

INTIMATION REGARDING DISCREPANCIES IN THE DATA RECORDED

• SRLDC has been reporting discrepancies noticed in the SEM readings like under recording, over recording etc. Via email to the concerned Nodal officers and the same is also being uploaded in website

• But reply regarding the reasons is not being received.

• Nodal officers are requested to take up the issue seriously

• Current Status : No improvement at all


9

REPLACEMENT OF SEMS AT NLC TS-1 EXP

• The replacement of SEMs has started on 25/07/16

• However the Sl Nos of new SEMs installed were found having the same serial numbers of already installed SEMs at NLC St-2

REPLACEMENT OF OLD B-TYPE SEMS AT THENI AND THIRUVELAM • As the SEMs are unusable due to high time drift, TN may expedite replacement of

SEMs

PGCIL TO KEEP ADDITIONAL SETS OF DCDS, CABLES AND CARDS

• The 31 CCM forum requested CTU to keep additional sets of DCDs, cables & cards to meet emergency requirements

• CTU may confirm the status of the same


10

SITES YET TO BE INFORMED OF THE CONTACT DETAILS OF NODAL OFFICERS.

• Many of the sites report the problems related to DCD, cables, accessories etc. to SRLDC.

• Instead the concerned Nodal officers shall be informed for resolving the problem.

• Therefore, the contact details of Nodal officers are to be circulated to sites for reporting the matter.

SENDING SINGLE NPC FILES

Tamil Nadu SRTS-1 Generators

Kayathar Hyderabad NLC TS 2

SP koil MEPL

SEL


11

SEM REPLACEMENTS OR CT/PT CHANGES

• Prior consent shall be taken from SRLDC, regarding any works affecting SEM

• Any installation /removal/replacement of the SEMs or change in CT/PT ratio shall be informed to SRLDC in advance and confirmed through mail after completion.

• Main and Check/Stand by SEMs should not be replaced on the same day.

• SEMs to be replaced only after ensuring availability of data of fall back SEM.

• The data of both old and new replaced SEMs to be collected on the next day and transmitted to SRLDC for proper validation and energy accounting of the week.

REPLACEMENT OF SEMS WITH MORE THAN 5 MIN TIME DRIFT

• In the view of huge commercial implications involved, it is proposed to replace the SEMs having time drift of more than 5Min

• The list of SEMs with high time drift are

Time drift.xls


12

ADVANCEMENT OF SEM DATA TRANSMISSION

• Many stations have shifted the data transmission from Wednesday to Tuesday, However it is desirable that those stations transmitting data on Tuesday shall shift it to Monday so that energy computations can be completed early and account can be submitted to SRPC Sectt. on Thursday itself.

• The list of stations data from some stations is being received after 17:00 hrs of Monday as follows

ADVANCEMENT OF SEM DATA TRANSMISSION Andhra Pradesh Telangana Karnataka SRTS-1 SRTS-2

Kamavarapukota Aswarao peta

Sedam

Kadapa Nagapattinam

Nunna Ramapuram Bellary

Talcher HVDC

Kalpaka N’Sagar Kodasally

Chalakurthy

Seethapuram

Tandur

Wadapalli

Wanaparthy


13

NO INTIMATION FROM BHAVINI REGARDING DRAWL OF COMMISSIONING POWER FROM TN LINES

• As per the MoM of special meeting at SRPC on 23/01/2013 regarding energy accounting of BHAVINI, BHAVINI has to inform SRLDC regarding drawl of commissioning power through 230kV Tamil Nadu lines in case of outage of MAPS-BHAVINI tie lines.

• However for the shutdown taken from 23/05/16 to 04/06/16 has not being intimated.

• In the absence of that accounting of Tamil Nadu and MAPS is difficult. BHAVINI is requested to intimate the same before and after the period.

THANK YOU!


14

Station

Main SEM

Sl.No/Location

ID

Feeder name

Main SEM

Sl.No/Location

ID

Date and Time Remarks

Warangal NP-5487-A

400kV KTPP line-1 NP-5485-A 31/05/16(70th and

71st Time blocks) Under Recording (* mark Observed)

AT-13 AP-53

Warangal NP-6167-A

400kV KTPP line-2 NP-5630-A 31/05/16(73rd and

74th Time blocks) Under Recording (* mark Observed)

AT-14 AT-15

KTPS NP-3093-A

220kV Lower Seleru Line-1 NP-5631-A

30/05/16 to 05/06/16 Under Recording GK-02 AT-16

Solapur NP-8711-A

765kV Raichur Line-1 NP-3051-A

04/06/16 Under Recording (* mark Observed) WR-41 AL-01

Vijayawada NP-5543-A

400kV Lanco Line-2 NP-7172-A

03/06/16 Data Could not be used as SEM got

replaced AT-10 RC-11

Siruseri NP-7305-A

230kV BHAVINI-Siruseri -2 NP-3242-A

30/05/16 to 04/06/16 Non readable data format and Data

could not be processed TT-11 AT-11

Talcher NP-5076-A

Inter Connector -2 NP-5070-A 09/06/16 (41st Time

Block) Over Recording

TL-15 TL-17

Narendra NP-7650-A

400/220kV ICT-2 NP-7652-A 09/06/16 (89 to 92

Time Blocks) Under Recording

CK-46 CK-47

KTPS NP-3093-A


06/06/16 to 12/06/16 Under Recording GK-02 AL-01

Karaikudi NP-7386-A

400kV Kayatar Line-2 NP-9634-A

08/06/16 SEM replacement TK-28 TK-51

Tirunelveli NP-5679-A

400/230kV ICT-2 NP-5680-A 11/06/16 (60th time

block) Under Recording

TN-71 TN-72

Narendra NP-7650-A

400/220kV ICT-2 NP-7652-A 09/06/16 (89 to 92

Time Blocks) Under Recording

CK-46 CK-47

KTPS NP-3093-A



Karaikudi NP-7386-A

400kV Kayatar Line-2 NP-9634-A

08/06/16 SEM replacement TK-28 TK-51


400/230kV ICT-2 NP-5680-A 11/06/16 (60th time


TN-71 TN-72

Station

Main SEM

Sl.No/Location

ID

Feeder name

Main SEM

Sl.No/Location

ID



400/230kV ICT-2 NP-5680-A 11/06/16 (60th time


TN-71 TN-72

Chittoor NP-5499-A

Kadapa NP-5370-A 09/06/16 (47 to 49 & 74,

75 time blocks) Under Recording

AP-65 SR-09

Udumalpet NP-5138-A HV Side of 400/230kV ICT-1 at

Udumalpet

NP-5137-A 07/06/16 (47 and 48

Time blocks) Under Recording

TN-10 TN-09


Udumalpet

NP-5139-A 07/06/16 (47 and 48


TN-12 TN-11


Udumalpet

NP-5654-A 07/06/16 (47 and 48


TN-74 TN-73

Guttur NP-5612-A

400kV Kaiga Line-1 NP-7813-A

13/06/16 to 19/06/16 Under Recording CK-74 KG-21

Sattenapalli NP-3117-A

400kV Vijayawada line NP-2487-A 18/06/16(5 to 11 time

blocks) Under Recording

AS-16 AP-61

Trichy NP-8310-A

LV Side of 400/230kV ICT-2 NP-8310-A 18/06/16(60 to 61 time


TN-16 TN-16

Kalavinthapattu NP-5683-A

LV Side of 400/230kV ICT-1 NP-5682-A 15/06/16(49 to 54 time


TN-48 TN-49

Kalavinthapattu NP-5681-A

LV Side of 400/230kV ICT-2 NP-5684-A 15/06/16(70th time


TN-60 TN-59

KTPS NP-3093-A



Kochi NP-5669-A

LV Side of 400/230kV ICT-2 NP-6172-A 16/06/16(33rd time

block) Over Recording

KL-28 KL-27

Warangal NP-5530-A

LV side of 400/220kV ICT-2 NP-5529-A

26/06/16 Under Recording AT-06 AT-05

Sattenapalli NP-3117-A

400kV Vijayawada line NP-2487-A 25/06/16(76 to 92 time


AS-16 AP-61

Trichy NP-5607-A

LV Side of 400/230kV ICT-1 NP-8308-A 20/06/16(40th time

blocks) Over Recording

TN-14 TN-13


15

Station

Main SEM

Sl.No/Location

ID

Feeder name

Main SEM

Sl.No/Location

ID


Udumalpet NP-5139-A HV Side of 400/230kV

ICT-2

NP-5140-A 20/06/16 (74th time


TN-11 TN-12

Udumalpet NP-5654-A HV Side of 400/230kV

ICT-3

NP-5655-A 20/06/16(80th time


TN-73 TN-74

Udumalpet NP-5655-A LV Side of 400/230kV

ICT-3

NP-5654-A 20/06/16 (78th time


TN-74 TN-73

Nellore PS NP-4101-A

400kV MEPL line NP-7200-A 23/06/16(69 to 74

time blocks) Under Recording

AT-40 AT-32

KTPS NP-3093-A 220kV Lower Seleru

Line-1

NP-3051-A 20/06/16 to 26/06/16 Under Recording

GK-02 AL-01

Kochi NP-6172-A HV Side of 400/230kV

ICT-2

NP-5669-A 26/06/16 (37th 69th

time block) Over Recording

KL-27 KL-28

Hassan NP-5582-A HV Side of 400/230kV

ICT-1

NP-5648-A 22/06/16 (43rd to

78th time block) Under Recording

CK-81 CK-82

Nellore PS NP-3166-A 400kV SGPL (NCC)

Line-1

NP-3112-A 20/06/16 to 26/06/16 Abnormal Recording

AN-67 NC-01

Station

Main SEM Sl.No/Locati

on ID

Feeder name


on ID


NP Kunta NP-3177-A LV Side of 400/220kV

ICT-2


AN-78 AN-77

Somanahalli

NP-5121-A LV Side of 400/220kV

ICT-1

NP-5120-A 29/06/16 (55 to 67 time blocks) and 037/07/16 (34 to 44 time


CK-02 CK-01

Somanahalli

NP-5123-A LV Side of 400/220kV

ICT-2

NP-5122-A 29/06/16 (56 to 68 time blocks) and 037/07/16 (35 to 44 time

blocks) Over Recording

CK-04 CK-03

Trichy NP-5607-A LV Side of 400/230kV

ICT-1

NP-8308-A 02/07/16(50th time blocks) Over Recording

TN-14 TN-13

NTPL NP-8326-A 400kV Coastal Energen

Line

NP-8313-A 04/07/16 (46 to 52 time blocks) Under Recording

NT-01 CE-05

NP Kunta NP-3178-A LV Side of 400/220kV

ICT-3


AN-79 AN-80

Talcher NP-5066-A

Inter Connector-1 NP-5069-A

08/07/16 (47th Time block) Over Recording TL-14 TL-16

DISCREPANCIES OBSERVED IN SEM DATA


16


Station


on ID

Feeder name


on ID


Guttur NP-5613-A

400kV Kaiga Line-2 NP-7350-A 08/07/16 (62 to 67 Time


CK-75 KG-22

Kalavinthapattu

NP-9615-A 400/220kV ICT-3

NP-9627-A 13/07/16(50th time block) Under Recording

TK-05 TK-06

NP Kunta NP-3178-A

400/220kV ICT-3 NP-3179-A

11/07/16 to 14/07/16 Under Recording (*Mark

observed) AN-79 AN-80

Gazuwaka NP-5367-A

400/220kV ICT-1 NP-5368-A

13/07/16(68th time block) Over Recording AP-01 AP-02

Trichy NP-8308-A

400/230kV ICT-1 NP-5607-A

14/07/16(40th time block) Under Recording TN-13 TN-14

Trichy NP-8309-A

400/230kV ICT-2 NP-8310-A

15/07/16(48th time block) Under Recording TN-15 TN-16

Station

Main SEM Sl.No/Loca

tion ID

Feeder name

Main SEM Sl.No/Loca

tion ID


Kurnool NP-4086-A 400kV Hyderabad

Line

NP-3203-A 11/07/16(41 to 44 time blocks) Under Recording

AP-86 AP-85

Hosur NP-8364-A

400/230kV ICT-3 NP-8364-A

14/07/16(43 to 49 time blocks) Under Recording TH-07 TH-07

NLC TPS 2 exp

NP-5706-A 400kV Pugalur line

NP-5707-A 23/07/16 (74th time block) Over Recording

NE-27 NE-28

Jaypore NP-5961-A 400kV Gazuwaka

Line-1

NP-5378-A 19/07/16(45th to 47th time blocks)

Under Recording ER-84 DC-03

Trichy NP-5607-A

400/220kV ICT 1 NP-8308-A

19/07/2016 (70th time block) Over-recording TN-14 TN-13


1

Annexure-1

List of Locations, where naming convention is not being followed

1. AP:

Nil

2. Telangana:

S.No Location Station Code 1 N'sagar NSD 2 Narketpalli NKT 3 Malkaram MLKM

3. Karnataka:

S.No Location Station Code 1 Raichur RTPS 2 Sedam SDM 3 Kadra KDR 4 Guttur DVG, DVG1 5 Kadakola KDKL

4. Tamil Nadu:

S.No Location Station Code 1 Achrapakkam ACPK 2 Alamathy ALM, ALM1 3 Kayathar KYR 4 TTPS TTPS

5. POWERGRID (SRTS-1):

S.No Location Station Code 1 765 Raichur RCT,RCT1

6. POWERGRID (SRTS-2):

Nil

Rajan

ANNEXURE C (1/6)

2

Annexure-2

Non receipt of NPC and Encrypted files

I NPC files not being received from the following stations

1. AP

a. Kurnool

2. Karnataka

a. Bellary(Alipura)

b. Guttur

c. Kadakola

d. Kadra

3. Tamil Nadu

a. Alamathy

4. Powergrid (SRTS-1)

a. Nil


a. Arasur (Mettur Lines SEMs)

II Encrypted files(MRI/DAT/Rm3) not being received from the following stations

1. Karnataka

a. Yarendahalli


a. Nil

3. Generating stations

a. NLC TS2

b. NLC remote

Rajan

ANNEXURE C (2/6)

3

Annexure-3

List of Non receipt of time drift statements 1. AP:

a. Kurnool

2. Telangana

a. Suryapeta

b. Wanaparthy

3. Karnataka

a. Ambewadi b. Nelamangala

c. Bellary(Alipur) d. Raichur

e. BTPS f. Sedam

g. Guttur h. Kadra

i. Hoody j. Kodasally

k. Kadakola l. Yarandahalli

4. Tamil Nadu

a. Achrapakkam b. Gummidipoondi

c. Arni d. Kuzhithurai

e. SP Koil

5. Goa

a. Ponda

b. Xeldem

6. Powergrid SRTS-1

a. Kudgi (New Narendra)

7. Powergrid SRTS-2

a. Puducherry

8. Generating Stations

a. BHAVINI

b. NLC Remote

Rajan

ANNEXURE C (3/6)

4

Annexure-4

Single NPC files not being received 1. Tamil Nadu

a. Kayatar

b. SP koil

2. Powergrid SRTS-1

a. Hyderabad

3. Powergrid SRTS-2

a. Nil

4. Generating Stations

a. NLC TS 2

b. NTPL

c. MEPL

d. SEL

Rajan

ANNEXURE C (4/6)

5

Annexure-5

Delay in SEM data receipt

Frequent delay in SEM data after 17:00 hrs of Monday is being observed in the following locations

1. AP

1. Kamavarpukota

2. Nunna

3. Kalpaka

2. Telangana

1. N’sagar

2. Chalakurthy

3. Wadapalli

4. Wanaparthy

5. Ramapuram

6. Seethapuram

7. Aswaraopet

8. Tandur

3. Karnataka

1. Sedam

2. Bellary

3. Kodasally

4. PGCIL (SRTS-1)

1. Kadapa

5. PGCIL (SRTS-2)

1. Talcher HVDC

2. Nagapattinam

Rajan

ANNEXURE C (5/6)

Annexure- 6SEM Discrepancies observed by SRLDC in the Southern Region

S.NO StationMain SEM

Sl.No/Location ID

Feeder nameMain SEM

Sl.No/Location ID


NP-3177-A NP-3172-AAN-78 AN-77

NP-5121-A NP-5120-ACK-02 CK-01

NP-5123-A NP-5122-ACK-04 CK-03

NP-5607-A NP-8308-ATN-14 TN-13

NP-8326-A NP-8313-ANT-01 CE-05

NP-3178-A NP-3179-AAN-79 AN-80

NP-5066-A NP-5069-ATL-14 TL-16

NP-5613-A NP-7350-ACK-75 KG-22

NP-9615-A NP-9627-ATK-05 TK-06

NP-3178-A NP-3179-AAN-79 AN-80

NP-5367-A NP-5368-AAP-01 AP-02

NP-8308-A NP-5607-ATN-13 TN-14

NP-8309-A NP-8310-ATN-15 TN-16

NP-4086-A NP-3203-A AP-86 AP-85

NP-8364-A NP-8364-ATH-07 TH-07

NP-5706-A NP-5707-ANE-27 NE-28

NP-5961-A NP-5378-AER-84 DC-03

NP-5607-A NP-8308-A

TN-14 TN-13

NLC TPS 2 exp

Jaypore

Trichy

400kV Gazuwaka Line-1 19/07/16(45th to 47th time blocks) Under Recording

400/220kV ICT 1 19/07/2016 (70th time block) Over-recording

LV Side of 400/220kV ICT-3 09/07/16 to 10/07/16 Under Recording (*Mark

observed)

400kV Pugalur line 23/07/16 (74th time block) Over Recording

Under Recording

Under Recording

400kV Hyderabad Line 11/07/16(41 to 44 time blocks) Under Recording

400/230kV ICT-3

LV Side of 400/220kV ICT-2

29/06/16 (56 to 68 time blocks) and 037/07/16 (35 to 44 time blocks) Over Recording


Gazuwaka

400kV Coastal Energen Line 04/07/16 (46 to 52 time blocks)

NP Kunta

Talcher

Guttur

Kalavinthapattu

NP Kunta

LV Side of 400/220kV ICT-2 02/07/16 to 03/07/16 Under Recording


29/06/16 (55 to 67 time blocks) and 037/07/16 (34 to 44 time blocks) Under Recording

NP Kunta

Somanahalli

Somanahalli

Trichy

NTPL

02/07/16(50th time blocks) Over Recording

Under Recording (*Mark observed)

Inter Connector-1 08/07/16 (47th Time block) Over Recording

400kV Kaiga Line-2 08/07/16 (62 to 67 Time blocks) Under Recording

Under Recording 400/220kV ICT-3 13/07/16(50th time block)

Under Recording (*Mark observed)

14/07/16(43 to 49 time blocks)

400/220kV ICT-3 11/07/16 to 14/07/16

Kurnool

Hosur

400/220kV ICT-1 13/07/16(68th time block)

Trichy

Trichy 400/230kV ICT-2 15/07/16(48th time block)

Over Recording

400/230kV ICT-1 14/07/16(40th time block) Under Recording

1

2

3

4

5

6

7

8

9

10

11

12

18

13

14

15

16

17

Rajan

ANNEXURE C (6/6)

ANNEXURE D (1/1) NODAL OFFICERS LIST FOR SEM DATA COORDINATION

S.No Name Designation Entity Contact No. e-mail id1 D.Praveen Maurice Divisional Engineer,SLDC APTRANSCO 9490610567 [email protected] Ms MeenaKumari V.Patil Executive Engineer KPTCL 9448335818 [email protected] Beno Paul Executive Engineer KSEBL 9446008565 [email protected] P.Murugavelan Asst.Executive Engineer, SLDC TANTRANSCO 9445857179 [email protected] V.V.Subrahmanyyam Asst.DivisionalEngr/EBC TSTRANSCO 9491058620 [email protected] Rammohan Asst.Engr,System Control Centre PUDUCHERRY 0413-23302607 Sunilkumar.A.Kamalapurkar Asst.ExecutiveEngr(Elec.) Goa (SR) 8380015061 [email protected] Amaredner Reddy DGM RSTPS 7382801999 [email protected] P.Narayan DGM(EEMG) Talcher STPS II 9437040520 [email protected] K.Sureshbabu DGM(EEMG) Simhadri STPS 9493546143 [email protected] M.Sampath Chief Manager(Elec) NLC TPS II 9443666512,04142-252611 [email protected] E.Sachindrakumar Chief Manager(Elec) NLC TPS I Expn 9486221961 [email protected] N.Duraikannan Chief Manager(Elec) NLC TPS II Expn 9842907613, 04142-

26124,[email protected] ;

[email protected] J.Rooby STE(C&CS),Technical unit MAPS 9445003818 [email protected] G.K.Sunil Senior Operation Engineer

(KGS-1&2)KGS 94448291780,

[email protected]

16 R.RameshBabu SOE,Operation Group KKNPP 9444988138 [email protected] R.Rajendran Deputy Manager NTECL(Vallur) 9445002501,044-27900932 [email protected],

[email protected] K.C.Ragunathan Chief Manager(Elec) NTPL(Tutucorin) 9486877089,0461-2352425 [email protected] A.U.Azarudeen Senior Engineer(Electrical) Coastalenergen 8056017024 [email protected] Seshagirirao Lead Engineer(Elec) MEPL 9966708282,

[email protected]

21 D.Narendra Reddy CM (Elec.) SEL 9676404472 ,9 848200000 [email protected] Head Operations 0861-3052530,898181563 [email protected] AGM 0861-3052400,8978681167 [email protected]

23 Basaweswara Rao Manager PGCIL-SRTS-I 9440908981 [email protected] Rajeswara Rao Dpty Manager PGCIL-SRTS-II 9449596039 [email protected] P Sunil Dpty General Manager Kudgi STPP 9483085920 [email protected] Ramkumar Engineer SRLDC 9449869374 [email protected] R.Ramanavasu ACE(Elec) BHAVINI 9442616432 [email protected]

Ananda kumar 7829909050Seshadri C.D. Assistant Manager 9886300309 [email protected]

29 A.Nithyananth Executive Projects EDMI 9481287016 [email protected] M.Shankar Sr. Executive Mktg. Secure 9980547934 [email protected] A.Princeton Regional Manager ELSTER 9176041665 [email protected]

TPCIL22

28 L&T

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