What is rated value? is it phase values or line values?

1 Answers  

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what are the major difference between 3phase 3wire and 3phase 4wire trivector meter?

2 Answers   L&T, NTPC,

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out of all machines which have highest efficiency and why?

2 Answers  

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How can we calculate the motor frame sizes?

0 Answers   Essar,

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what is the difference between surge arrestor and surge supressor

1 Answers  

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WHAT AC (HI VOLTAGE TEST) VOLTAGE SHOULD APPLY FOR 33KV CABLES.EXPLAIN IN DETAIL

12 Answers   NTPC, Voltech,

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What is Energy based relay coordination & time based relay co-ordination? In which type of distribution arrangement these methods are applicable?

1 Answers  

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What is the function of the generator exciter?

0 Answers  

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75kw drive operated motor current fluctuation from(85-130)ampere.current setting in drive is 130amp.sometimes motor trip when current limit cross 130amps.I change the drive. still current fluctuate between 80-130amps but in this time motor not trip,current setting in drive is 130amps.where is the problem?

1 Answers  

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when the rheostat kept in minimum to maximum position in motors what will happen?

7 Answers  

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what is meant by residual over voltage & residual earth fault ?

0 Answers  

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What is meant by electrical speed?

1 Answers  

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