7/27/2019 Check List for Testing of Cp

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Maharashtra State Electricity Transmission Company

Testing & Communication Circle, Aurangabad

Check List for TBC Operations Where ever No or Not Applicable (NA) selected, mention specific remarks on attached sheet Page 1 of3

CHECK LIST FOR TESTING OF CP & RP

EHV Sub Stn -132 KV NIWALI

Bay -TRAFO-2

Date -16/02/2012

Panel Make - AREVA Type - 1T2A,1T2B DC Voltage - 220 V

Sr. No. Particulars of the test Whether carried out

1 Check and confirm CP / RP wiring as per the schematic

2 Check and confirm condition of all Relays / MFM / Meters in CP / RP

3 Check the wiring between CP and RP as per the schematic

4 Check the condition of TBs / TTBs / Fuses / MCBs in CP / RP

5 Check and confirm earthing of CP / RP

6 Check and confirm connection of 1ph AC supply and illumination in CP / RP

7 Check and confirm Insulation of wiring in CP / RP with 500V Insulation tester

8Check and confirm sufficient insulation between AC and DC terminals beforeconnecting AC / DC supply with 500V Insulation tester in CP / RP

9Check and confirm operation of all DC supervision relays by either switching OFFof respective MCB or removal of fuses

10

Check and confirm presence of DC voltage in concerned circuit only after switching

ON of respective MCB / Fuse

11 Check and confirm connection of 48V DC supply

12

Check and confirm DC fail annunciation along with operation of respective Relaysafter switching OFF of MCB / Fuse of each circuit in CP / RP

7/27/2019 Check List for Testing of Cp

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7/27/2019 Check List for Testing of Cp

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Maharashtra State Electricity Transmission Company

Testing & Communication Circle, Aurangabad

Check List for TBC Operations Where ever No or Not Applicable (NA) selected, mention specific remarks on attached sheet Page 3 of3

Remarks about check point where No or NA selected

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