half yearly status report of grid sub-station

7/29/2019 Half Yearly Status Report of Grid Sub-station

1/45

1 Period of report : JULY 2010 - DECEMBER 2010

2 Name of the Grid Sub-Station :

3 Name of the Office-in-charge & designation :

DEPUTY MANAGER

4 Name of the Circle : T & T CIRCLE, TEZPUR

5 Information of EHV tranformers :

Transformer-I Transformer-2 Transformer-3

1.0 TRANSFO RMER BAY

1.1.0 Transformer

MVA Capacity 50 50 50

Voltage ratio220/132kV 220/132kV 220/132kV

Tap charger typeON LOAD ON LOAD ON LOAD

% impendance12.45 ILLIGIBLE 12.76

MakeCROMOTON-GREAVES CROMOTON-GREAVES CROMOTON-GREAVES

Sl. No. 24241 T-8265 T-8265/2

Batch of manufacturing 1980 1990 1991

Date of commissioning NOT KNOWN NOT KNOWN Aug-10

ASSAM ELECTRICITY GRID CORPORATION LIMITED

Sl.

No.Type of information

HALF YEARLY STATUS REPORT OF GRID SUB-STATIONS

1.1.1

220 KV GRID SUB-STATION SAMAGURI

ASHUTOSH BHATTACHARJEE

Particulars of transformers


2/45

Date of commissioning NOT KNOWN NOT KNOWN Aug-10

Transformer-I Transformer-2 Transf

3. S-E

4. T-E

Voltage of tester : 5KV

Weather : SUNNYAmbient temperature : 24DEG

Date of testing :22.11.10

3. N/A

4. 400M

3. N/A

4. 50M

3. N/A

4. 500M

1.1.4 DES of oil

1. Top

2. Bottom

3. Tap changer

Voltage of tester :60KV

Weather : SUNNY

Ambient temperature : 28DEG

1. 45KV

2. 42KV

3. 45KV

1. 40KV

2. 32KV

3. 40KV

1. 60KV

2. 60KV

3. 60KV

1.1.5 Water content, Tan delta of oil

(Yearly once at MRT laboratory or any

test lab as required)NOT DONE NOT DONE NOT

1.1.6 Earth resistance :

1. HV neutral

2. Lvneutral

3. tertiary

1. 1.54

2. 1.54

3. 0.9

1. 2.52

2. 2.52

3. 2

1. 2.2

2. 2.2

3. 3.4

1.1.7 Tan delta of bushing

(Yearly once by MRT) NOT DONE NOT DONE NOT

Sl.


Particulars of transfo


3/45

Transformer-I Transformer-2 Transformer-3

9. Breather

10. Oil level of conservator

11. Oil level TC conservator

12. Oil level of conservator

9. OK

10. NOT WORKING

11. NOT WORKING

12. ----------------------

9. OK

10. NOT WORKING

11. NOT WORKING

12. ----------------------

9. OK

10. NOT WORKING

11. NOT WORKING

12. ----------------------

1.1.9 Tap changer unit :

1. RTCC operation healthiness2. No. of tap change operation

during the period

3. Master follower scheme

4. Tap position indicator

5. Wdg temp indicator

1. NOT HEALTHY

2. NIL

3. NOT WORKING

4. NOT WORKING

5. NOT WORKING

1. NOT HEALTHY

2. NIL

3. NOT WORKING

4. NOT WORKING

5. NOT WORKING

1. NOT HEALTHY

2. NIL

3. NOT WORKING

4. NOT WORKING

5. NOT WORKING

1.1.10 Loading information :

1. Peak load

2. Off peak load

3. Highest oil temperature4. Corresponding load

5. Highest widning temperature

6. Corresponding load

1. 41MW

2. 28MW

3. 72DEG4. 38MW

5. 77DEG

6. 42MW

1. 40MW

2. 32MW

3. 70DEG4. 40MW

5. 75DEG

6. 40MW

1. 44MW

2. 33MW

3. 66DEG4. 43MW

5. 70DEG

6. 42MW

1.1.10 General status :1. General condition

2. Abnormal sound, if any

3. Cooling system

4. Painting

5. Leakage

(Describe why leakage could not be

attended/View of MRT/manufacturer)

6. Any other observation

1. GOOD

2. NIL

3. OK

4. REQUIRED5. MINUTE LEAKAGE

6. NONE

1. AVERAGE

2. NIL

3. OK

4. REQUIRED5. VERY MINUTE LEAKAGE

6. NONE

1. GOOD

2. NIL

3. INSUFFICIENT

4. NOT REQUIRED5. LEAKAGE IN MANY LOCA

6. NONE

Type of information

Particulars of transformersSl.

No.


4/45

1.2.0 Breakers

HV Breaker

Make ABB ABB CGL

Type SF6 SF6 SF6

Sl. No.

24500251 20000009 22710CDate of commissioning 2005 2005 2010

Status :1. Healthines

2. Condition of MB

3. Spring motor

4. Gas monitors

5. Oil level in case of MOCB & change

of oil during the period

6. Pneumatic leakage

7. Frequency of operation of

comperssor

8. Space heater

9. No. of C.B. operation

10. Operational defect observed, if

any rectification done

1. HEALTHY

2. GOOD

3. NA

4. OK

5. NA

6. NIL7. LOW

8. OK

9. VERY MINIMUM

10. NONE

1. HEALTHY

2. GOOD

3. NA

4. OK

5. NA

6. NIL7. LOW

8. OK

9. VERY MINIMUM

10. NONE

1. HEALTHY

2. GOOD

3. NA

4. OK

5. NA

6. NIL7. LOW

8. OK

9. VERY MINIMUM

10. NONE

1.2.2 LV Breaker

Make ABB ABB ABB

Type SF6 SF6 SF6

Sl. No. 17000522 17000511 17000512

Batch of manufacturing 2005 2005 2005

Particulars of transformers

Transformer-I Transformer-2 Transformer-31.2.1

Sl.



5/45

Transformer-I Transformer-2 Transfor


7. Frequency of operation of

comperssor

8. Space heater


10. Operational defect observed, if

any rectification done

6. NA

7. NA

8. OK

9. MINIMUM

10. NONE

6. NA

7. NA

8. OK

9. MINIMUM

10. NONE

6. NA

7. NA

8. OK

9. MINIMUM

10. NONE

1.3.0 C&R Panel

1. Make

2. Date of commissioning

3. Cleanliness

4. Differential Relay

5. Back up relays (HV)

6. Back up relays (LV)

7. Indicating Meters

9. ABT meters

10. Annunciation

11. Indication

12. Semaphore

13. Trip healthy circuits

14. Terminal connections

15. Periodic testing of relays

(Periodic testing shall be done with the

help of MRT once a year)

1. ENGLISH ELECTRIC CO.

2. NOT KNOWN

3. CLEAN

4. TYPE - 7UT6131

5. TYPE - CDG61

6. TYPE - CDG31

7. ALL NOT WORKING

9. INSTALLED

10. NOT WORKING

11. WORKING

12. WORKING

13. NOT WORKING

14. OK

15. NOT DONE

1. ENGLISH ELECTRIC CO.

2. NOT KNOWN

3. CLEAN

4. TYPE - 7UT6131

5. TYPE - CDG61

6. TYPE - CDG31

7. ALL NOT WORKING

9. INSTALLED

10. NOT WORKING

11. WORKING

12. WORKING

13. NOT WORKING

14. OK

15. NOT DONE

1. SYSTEM & CONTROL

2. AUG-2010

3. CLEAN

4. TYPE-612

5. TYPE - CDG 61

6. TYPE - CDG 31

7. WORKING

9. INSTALLED

10. WORKING

11. WORKING

12. WORKING

13. WORKING

14. OK

15.NOT DONE

1 3 0 Lightning Arrestors

Sl.

No.

Particulars of transform

Type of information


6/45

1.4.0 CURRENT TRANSFORMERS:

Transformer-I Transformer-2 Transfor

1.4.1 HV Current Transformer

1. Make

2. General condition

3. CT ratio available

4. CT ratio connected

5. Terminal connection

6. Condition of MB

7. Oil level

8. Earthing

1. NAGPUR ELECTRICALS

2. MODERATE

3. 300-150/1/1

4. 300/15. OK

6. NOT GOOD

7. OK

8. OK

1. NAGPUR ELECTRICALS

2. MODERATE

3. 300-150/1/1

4. 300/15. OK

6. NOT GOOD

7. OK

8. OK

1. CGL

2. GOOD

3. 500-250/1/1

4. 250/15. OK

6. GOOD

7. OK

8. OK

1.4.2 LV Current Transformer

1. Make



4. CT ratio connected5. Terminal connection

6. Condition of MB

7. Oil level

8. Earthing

1. TRANSFORMER ELECTRICALS

2. OLD

3. 300-150/1/1

4. 300/1

5. GOOD

6. GOOD

7. NOT CHECKED

8. OK

1. TRANSFORMER ELECTRICALS

2. OLD

3. 300-150/1/1

4. 300/1

5. GOOD

6. GOOD

7. NOT CHECKED

8. OK

1. CGL

2. GOOD

3. 500-250/1/1

4. 250/1

5. OK

6. GOOD

7. OK

8. OK

1.4.3 Neutral Current Transformer

1. Make



1. CGL

2. GOOD

3. 600-300/1/0.577

1. CGL

2. GOOD

3. 600-300/1/0.578

1. HIVOLTRANS

2. GOOD

3. 500-250/1/0.577

4. CT ratio connected5. Terminal connection

6. Condition of MB

7. Oil level

8 Earthing

4. 300/0.5775. GOOD

6. MODERATE

7. CANNOT BE CHECKED

8 OK

4. 300/0.5775. GOOD

6. MODERATE


8 OK

4. 300/0.5775. GOOD

6. MODERATE


8 OK

Sl.


Particulars of transform


7/45

ASSAM ELECTRICITY GRID CORPORATION LIMITED

HALF YEARLY STATUS REPORT OF GRID SUB-STATIO


8/45


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25/45

2.0 LINE BAY SAMAGURI - SANKARDEV NAGAR SAMAGURI - PAVO

2.1.0 Line Voltage132kV 132kV

2.1.1 Peak load of the period (MW)42 43

Off peak load of the period (MW)30 12

Aggregate No. of tripping during the period of report 2 3

2.1.2 Total outage time of line during the period of report6 HOURS 5 HOURS

2.2.0 Circuit Breaker :

2.2.1 Make CROMPTON - GREAVES BHEL

Type SF6 MOCB

Sl. No. 23701C 306383

Batch of manufacturing 2007 ILLIGIBLE

Date of commissioning 2007 NOT KNOW

Status

1. Healthiness

2. Condition of MB

3. Spring motor

4. Gas monitors

5. Oil level in case of MOCB & change of oil during the period


7. Frequency of operation of compressor

8. Space heater9. No. of C.B. operation

10. Operational defect observed, if any & rectinfication done

11. Any other information

1. HEALTHY

2. GOOD

3. WORKING

4. OK

5. NA

6. NA

7. NA

8. OK9. NOT CHECKED

10. NONE

11. NONE

1. MODERATE

2. MODERATE

3. WORKING

4. NA

5. OK

6. NA

7. NA

8. OK9. NOT CHECKED

10. NONE

11. MECHANICAL PROB

HALF YEARLY STATUS REPORT OF GRID SUB-STATIONS [132KV FEEDERS]

Type of information

Sl.

No.

6. INFORMATION OF LINE BAYS:

Particulars of lines


26/45

2.3.0 C&R Panel

SAMAGURI - SANKARDEV NAGAR SAMAGU

2.3.1 MakeENGLISH ELECTRIC CO. ENGLI

Date of commissioningNOT KNOWN N

1. Cleanliness

2. Main Relays (DPR)

3. Back up relays


5. Energy Meters

6. ABT meters, if available

7. Annunciation

8. Indication

9. Semaphore

10. Trip healthy ckts.



(Periodic testing shall be done with

the help of MRT onece a year)

1. CLEAN

2. SIEMENS 7SA522

3. CDD 21

4. NOT WORKING

5. OK

6. YES

7. FAULTY

8. OK

9. OK

10. NOT WORKING

11. OK

12. NOT DONE

1. CLEAN

2. SIEMENS 7SA

3. CDD 26

4. NOT WORKI

5. OK

6. YES

7. FAULTY

8. FAULTY

9. NOT WORKI

10. NOT WORKI

11. OK

12. NOT DONE

2.4.0 LA:

1. Current / last Surge counter

reading in each phase

2. Maximum leakage current in

each phase in mA

3. Any missing LA

1. NOT KNOWN

2. NOT KNOWN

3. NONE

1. NOT KNOWN

2. NOT KNOWN

3. NONE

2.5.0 Current Transformers :

1. Make

2 General condition

1. NAGPUR TRANSFORMER CO.

2 OLD

1. BHEL

2 OLD

Sl.




27/45

SAMAGURI - SANKARDEV NAGAR SAMAGUR

2.6.0 Communcation equipment :

2.6.1 WAVE TRAP :1. Condition of wave trap


1. GOOD

2. 2008

1. OLD

2. NOT KNOWN

2.6.2 CVTs :

1. Make


3. Status

4. No. of CVTs

5. Condition of coupling device

6. Condition of coaxial cable

7. Connection of VT for line hot

condition

1. AREVA

2. 2008

3. ON LINE4. TWO

5. GOOD

6. OK

7. ABSENT

1. HINDUSTAN B

2. NOT KNOWN

3. ON LINE4. TWO

5. ABSENT

6. ABSENT

7. ABSENT

2.6.3 Coupling capacitors :

1. Make

2. Date of commissioning NOT AVAILABLE NOT

2.6.4 COMMUNICATION PANELS :

1. Make & type

2. Date of communication

3. Panel status

4. Panel alarm status

5. General condition as regard toA) Speech quality

B) Availability

PLCC PANEL IS NOT IDENTIFIED/ ABSENT PLCC PANEL IS N

Sl.




28/45


29/45


30/45


31/45


32/45

2.4.0 LA:1. Current / last Surge counter



each phase in mA

3. Any missing LA

1. NOT KNOWN 2.

NOT KNOWN

3. NONE

1. NOT KNOWN 2.

NOT KNOWN

3. NONE

1. NOT KNOWN 2.

NOT KNOWN

3. NONE

1.

NOT

3.


1. Make

2. General condition3. CT ratio available



6. Condition of MB

7. Oil level

8. Earthing

1. LAMCO

2. GOOD3. 400-200/5/5

4. 400/5

5. OK

6. POOR

7. OK

8. OK

1. AUTOMATIC ELECTRIC

2. NOT GOOD3. 400-200/5/5

4. 200/5

5. POOR

6. POOR

7. OK

8. OK

1. AUTOMATIC ELECTRIC

2. GOOD3. 400-200/5/5

4. 400/5

5. OK

6. OK

7. OK

8. OK

1. A

2. G3. 2

4. 2

5. O

6. O

7. O

8. O

Signature of Officer Reporting with Seal


33/45

7. COMMON EQUPIMENT STATUS

(a) DC SYSTEM :

3.0 SUB STATION BATTERY BANK

& CHARGERS

3.1.0 110/220 V Charger

1. Make AMARA-RAJA CALDYNE

2. Year of commissioning 2007 2009

3. Condition of boost charger GOOD GOOD

4. Condition of float charger GOOD GOOD

3.1.1 110/220 V DCDB

1. Make DCDB NOT AVAILABLE JYOTI LIMITED

2. Year of commissioning NA 1986

3. Condition of DB NA POOR

3.1.2 110/220 V BATTERY BANK1. Make AMARA-RAJA EXIDE

2. Year of commissioning 2007 2009

3. Ampere hour capacity 100 300

4. Float charging current 2.5 Amps 4.5 Amps

5. Bank voltage 110 V 220 V

6. Any defective cell NONE NONE

7. No of cells in circuit 54 110

8. Condition of battery bank GOOD GOOD

3.1.3

COMMUNCATION BATTERY

BANK & CHARGERSBANK - I BANK - II

3.1.4 48 V Charger & DB

1 Make AMARA-RAJA AMARA-RAJA

Particulars of DC system

Bank - 1 [110V] Bank - 2 [220V]

Sl. No. Type of information


34/45


35/45

(b) AC SYSTEM

Bus-1 Bus-2

4.0 SUB STATION AUX TRANSFORMER

4.1.0

1. Make HINDUSTAN ELECTRIC CO. NOT AVAILABLE

2. Year of commissioning 1965 NOT AVAILABLE

3. KVA rating 315 NOT AVAILABLE

4. Condition of transformer VERY OLD NOT AVAILABLE

5. Condition of transformer protection POOR NOT AVAILABLE

6. Transformer earthing OK NOT AVAILABLE

4.1.2 AC distribution board NOT AVAILABLE

1. Make ILLIGIBLE NOT AVAILABLE

2. Age of AC distribution board 35 YEARS NOT AVAILABLE

3. General condition POOR NOT AVAILABLE

4. Adequacy of feeders INFERIOR NOT AVAILABLE

5. Healthiness of protection POOR NOT AVAILABLE

(c) SUB STATION BUS PTS :

Bus-1 Bus-2

4.0 BUS PT

4.1.0 VOLTAGE : 220 KV1. Make




5. Condition of MB

6. Oil level

7. Earthing

1. BHEL

2. 1993

3. OK

4. OK

5. OK

6. OK

7. OK

1. CGL

2. 2006

3. OK

4. OK

5. OK

6. OK

7. OK

4.1.0 VOLTAGE : 132 KV

Type of informationParticulars of AC system

Sl. No. Type of informationParticulars of bus system

Sl. No.


36/45

4.1.0 VOLTAGE : 33 KV

Bus-1 Bus-24.1.1

1. Make




5. Condition of MB

6. Oil level

7. Earthing

1. TARIT APPLIANCES

2. 1969

3. VERY OLD

4. OK

5. POOR

6. OK

7. OK

1. HIGHVOLTRANS

2. 2006

3. GOOD

4. OK

5. GOOD

6. OK

7. OK

(d) Remote Terminal Unit (RTU) :

RTU-1 RTU-2

5.0 RTU :

5.1.0 1. Make


3. Alarm status, if any


1. ALSTOM

2. NOT KNOWN

3. NONE

4. NOT KNOWN

1. AREVA

2. NOT KNOWN

3. NONE

4. NOT KNOWN

Sl. No. Type of informationParticulars of bus system

Remarks

Sl. No. Type of informationParticulars of RTU System

Remarks


37/45

8. GENERAL CONDITION OF CONTROL ROOM, SWITCHYARD & MAN POWER :

Sl. No. Type of information

6.0 GENERAL STATUS

6.1.1 Control room :

6.1.2 1. General condition

2. Cleanliness

3. Painting

4. Furniture5. Illumination status

6. Water supply

7. Emergency lighting

6.2.1 Switchyard

6.2.2


2. Illumination status

3. Condition of structures

4. Weed removal activity & status

5. Switchyard pebbling condition

6. Wall/fencing

7. Security booth

6.3.3 Man power strength1. Shift staff :

a) Adequacy

2. Maintenance staff :

a) Adequacy3. Security staff :

a) Adequacy

b) Arrangement

a) INADEQUATE

b) HOMEGUARDS FOR SWITCH YARD's INNER SECURITY AND ASEB's SEC

SWITCH YARD MAIN GATE.

1. GOOD.

2. SATISFATORY.

3. PAINTING IS URGENTLY REQUIRED FOR ENHANCING THE OVERALL LOO

4. VERY OLD AND UGLY LOOKING5. ILLUMINATION IS INADEQUATE, NEEDS URGENT INTERVENTION.

6. OK

7. INSUFFICIENT. ONLY ONE DC BULB IS AVAILABLE DURING EMERGENCY.

1. GOOD

2. VERY MUCH INADEQUATE. HIGH MASTS ARE NEEDED FOR BETTER COVE

3. OK. BUT DO REQUIRE INTERMITTENT PAINTING JOBS FOR BEAUTIFICATI

4. WEEDICIDE IS SPRAYED ON REGULAR BASIS, RESULT OBTAINED SATISFA

5. VERY MUCH POOR. NEED RE-PEBBLING OF MANY AREAS THROUGHOUT

6. THE PRESENT FENCING CONDITION IS NOT SATISFACTORY. MANY THORTHERE AROUND THE FENCING.

7. ONLY A SINGLE SECURITY BOOTH IS AVAILABLE AT THE ENTRANCE OF TH

SECURITY BOOTH IS AVAILABLE AT THE MAIN ENTRANCE OF THE COLONY.

EXTREME INSECURED CONDITION OF THE COLONY INHABITANTS.

1. a) ADEQUATE

2. a) INADEQUATE

Remarks


38/45

Page 18


39/45


40/45

2.0 LINE BAY

2.1.0 Line Voltage 220KV 220KV 220

2.1.1 Peak load of the period (MW) 150 150 10

Off peak load of the period (MW)

Aggregate No. of tripping during the period of report 6 4 4

2.1.2 Total outage time of line during the period of report6 HOURS 1 HOUR 15 HO

2.2.0 Circuit Breaker :2.2.1 Make ABB CGL BH

Type SF6 SF6 MO

Sl. No. 24500252 4910 C 308

Batch of manufacturing 2005 1991 ILLIG

Date of commissioning 2005 NOT KNOWN NOT K

Status

1. Healthiness2. Condition of MB

3. Spring motor

4. Gas monitors

5. Oil level in case of MOCB & change of oil during the period


7. Frequency of operation of compressor

8. Space heater


10. Operational defect observed, if any & rectinfication done

11. Any other information

1. HEALTHY2. GOOD

3. NA

4. OK

5. NA

6. YES

7. LESS

8. OK

9. NOT KNOWN

10. PROBLEM IN R-PHASE VENTILE

11. NONE

1. HEALTHY2. GOOD

3. NA

4. OK

5. NA

6. YES

7. FREQUENT

8. OK

9. NOT KNOWN

10. LEAKAGE IN Y-POLE AIR

RESERVOIR

11. NONE

1. HEALTHY2. GOOD

3. NOT WORKI

4. NA

5. OK

6. NA

7. NA

8. OK

9. NOT KNOWN

10. NONE

11. NONE

HALF YEARLY STATUS REPORT OF GRID SUB-STATIONS [220KV FEEDERS]

Particulars of lines6. INFORMATION OF LINE BAYS:

Sl.


SARUSAJAI - I SARUSAJAI-II MAR


41/45

2.3.0 C&R Panel

SARUSAJAI - I SARUSAJAI-II MA

2.3.1 Make ENGLISH ELECTRIC CO. ENGLISH ELECTRIC CO. ENGLISH

Date of commissioning NOT KNOWN NOT KNOWN NOT

1. Cleanliness

2. Main Relays (DPR)

3. Back up relays


5. Energy Meters

6. ABT meters, if available7. Annunciation

8. Indication

9. Semaphore

10. Trip healthy ckts.



(Periodic testing shall be done with

the help of MRT onece a year)

1. CLEAN

2. SIEMENS 7SA522

3. CDD 21

4. ALL NOT OK

5. OK

6. YES7. FAULTY

8. OK

9. OK

10. FAULTY

11. OK

12. NOT DONE

1. CLEAN

2. SIEMENS 7SA522

3. CDD 21

4. ALL NOT OK

5. OK

6. YES7. FAULTY

8. OK

9. OK

10. FAULTY

11. OK

12. NOT DONE

1. CLEAN

2. SIEMENS 7

3. CDD 21

4. ALL NOT O

5. OK

6. YES7. FAULTY

8. OK

9. OK

10. FAULTY

11. OK

12. NOT DON

2.4.0 LA:1. Current / last Surge counter



each phase in mA

3. Any missing LA

1. NOT KNOWN

2. NOT KNOWN

3. NONE

1. NOT KNOWN

2. NOT KNOWN

3. NONE

1. NOT KNOW

2. NOT KNOW

3. NONE


1. Make





6. Condition of MB

7. Oil level

1. NAGPUR TRANSFORMERS

2. OLD

3. 800-400-200/1/1/1

4. 800/1

5. OK

6. POOR

7. LEAKAGE IS THERE IN Y-PHASE

1. HIVOLTRANS

2. OK

3. 800-400-200/1/1/1

4. 800/1

5. OK

6. OK

7. OK

1. NAGPUR T

2. VERY OLD

3. 800-400-2

4. 800/1

5. OK

6. POOR

7. LEAKAGE

Particulars of linesSl.



42/45

SARUSAJAI-I SARUSAJAI-II MOR

2.6.0 Communcation equipment :

2.6.1 WAVE TRAP :

1. Condition of wave trap


1. OK

2. 2008

1. OK

2. 2008

1. OK

2. 2008

2.6.2 CVTs :

1. Make

2. Date of commissioning3. Status

4. No. of CVTs

5. Condition of coupling device

6. Condition of coaxial cable

7. Connection of VT for line hot

condition

1. AREVA

2. 20083. ONLINE

4. TWO

5. OK

6. OK

7. NOT DONE

1. AREVA

2. 20083. ONLINE

4. TWO

5. OK

6. OK

7. NOT DONE

1. AREVA

2. 20083. ONLINE

4. TWO

5. OK

6. OK

7. NOT DONE

2.6.3 Coupling capacitors :

1. Make

2. Date of commissioningNOT APPLICABLE NOT APPLICABLE NOT APPLICABL

2.6.4 COMMUNICATION PANELS :

1. Make & type

2. Date of communication

3. Panel status

4. Panel alarm status

5. General condition as regard to

A) Speech quality

B) Availability

1. AREVA

2. 2008

3. WORKING

4. NOT KNOWN

5. A) OK

B) OK

1. AREVA

2. 2008

3. WORKING

4. NOT KNOWN

5. A) OK

B) OK

1. AREVA

2. 2008

3. WORKING

4. NOT KNOW

5. A) OK

B) OK

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half yearly status report of grid sub-station

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