what is the earthing condition between earth & neutral.

6 Answers   ABB,

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whats the reletion betweet flow,pressure,head,rpm and motor rating?

1 Answers  

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Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

0 Answers   DAE,

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the current which flows during lightening is ac or dc,,,,,,,,,,, WHY

6 Answers  

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what is relation between voltage and current and don't take resistance here. if we supose say when there is increase in voltage whwt happens to current?is it decrease or increase?

4 Answers  

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protection used for alternator , feeder , transmission line

3 Answers   NHPC, Perfetti,

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Please explain, how to test vector group of tranformer(Delta y1) . Thank

0 Answers   PGCB,

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WHAT ARE THE SITE TEST APPLIED ON A SURGE ARRESTORS? DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED IR VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV, 66KV 132KV, 220KV AND 400KV?

5 Answers  

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Percentage losses in power generation?

0 Answers   Nespak, Trimax,

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how to calculate lighting for a room

2 Answers   Coca Cola,

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How to measure power in 2 or 4 or n phase circuit? Please give me a formula.

0 Answers  

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how can synchronous generator can be used as synchronous condenser?

3 Answers   Monnet,

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