what are frequency changers ? Tell me about commertially availble frequency changers ?

1 Answers   GE,

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Which type of transformer is used for lighting loads?

0 Answers  

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in 11kv/400v transformer when only one phase of 11kv supply fails what happens to sec voltage and why

6 Answers  

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how harmonics are generated due to nonlinear load & how harmonic filters work?

1 Answers  

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While testing a ZCT what parameters have to check or measure?

0 Answers   Indian Railways,

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I have three phase 400 KW,390 A MOTOR.For this motor which type of Cable is required....specifically rubber cable required. Can anyone help me..

5 Answers  

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why using carbun bresh in dc motor

3 Answers  

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How to calculate the heat load for a electrical room

0 Answers  

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why the transformer connected like STAR- STAR, DELTA- DELTA, STAR- DELTA, DELTA-STAR ...? why these connections ,,, explain the advantages these connections?

0 Answers  

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What is the difference between reciprocating & rotary motors in AC units, which is the best one in terms of operation.

2 Answers   MacLellan,

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How to test transformer

1 Answers  

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What does the temperature (30 deg or 35 deg celcius) mark on conservator of transformer indicates?

2 Answers   MahaGenco,

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