What is mean by PID controller? And what is its Long form?

9 Answers   Jindal,

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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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If one lamp connects between two phases it will glow or not?

0 Answers  

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Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

0 Answers  

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how do you measure earth leakages in 3phase wires?

2 Answers  

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We store the d.c supply...then why can't we store A.c supply???

4 Answers  

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why transformer do not rotate?

3 Answers  

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what are the types in Relay?

1 Answers   PLA,

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why the transformer ratings in kva or mva?

4 Answers  

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why ct secondary side shortlink provided? its open what will happen?while running ?

2 Answers   Essar,

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there are 3 transformers each of 1500 kva and one transformer of 1000kva for a 11 floor building . total otgoing kw is 4066 kw. i need an extra 260 kw .is there any provision for that? what is the max kw that can be connected with these transformers?

2 Answers  

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why generation is done in delta nad transmission in star? brief

3 Answers  

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