what is 'A' Check & 'B' Check ?

2 Answers  

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they transformer oil leakeage to beather tank and top parts . they protection relayes was not operated.what is the oil leakeage problem.

1 Answers  

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why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

1 Answers   IOCL,

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What kind of battries are generaly used with Disel Generator?

1 Answers   Exide,

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What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?

0 Answers  

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how we are measuring the winding temperature of the transformer?

11 Answers  

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method to check earthing

5 Answers   ECC,

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what is derating?, why it is neccesary, it is same for all means for drives, motors,and cables.

1 Answers  

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In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

0 Answers  

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critical losses of transformer

3 Answers   EEEC,

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why we use Bus earth truck and Cable earth truck

5 Answers  

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different between circuit breaker & switchgear & relays

6 Answers   EFS,

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