how df/dt relay operates & how it works?

1 Answers  

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why does the magnetic balance tests at transformers? how to provide earthing in flight?

1 Answers  

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I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?

4 Answers   ABB,

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a voltmeter shows 100v..wat is to be done to make it read 150v.

7 Answers  

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Hy the hydro power stations have high transmission and Distribution costs?

3 Answers  

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why don't we use the generator as a motor? and what will happen?

0 Answers  

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Can the same motor be operated in both direction ?

12 Answers  

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can we coorect P.F. OF 320 KVA ALTERNATOR AT LOCAL SITE WITH RATED .8 PF LAGGING.

1 Answers  

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What is diffrence bitween electrical and electronics ?

4 Answers  

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why capacitor bank shorted by resistance ( 3 terminal )

1 Answers  

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How to convert 110 volt alternating current to 12 volt direct current

2 Answers  

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What do we use in Motor core laminations..???CRGO or CRNGO..and why..????

1 Answers  

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