what is harmonics?

1 Answers   powercom,

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what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?

1 Answers  

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what is tertiary winding in transformer?What is its purpose?

18 Answers   Bhel,

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What is transformer break down voltage.And what is flash oil flash point.

1 Answers   HP,

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what is the advantage of NiCd battery over Lead acid battery?

2 Answers   BARC,

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Why don't we provide SURGE ARRESTORS for Transformer feeders?

5 Answers  

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What is differential relay? How it operates?

1 Answers  

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in the farm,water tank of 8000 litter capacity situated in 12 meter above.Farm owner want to lift 7000 litter of water within 7 minute to water tank of 12 meter above.which motor having HP rating is suitable for pumping??

1 Answers   ABB, Anchor, Havells, Keltron, KSEB, L&T, vguard,

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resistivity of copper

1 Answers  

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What do you meant by slip power recovery?

1 Answers   PSEB,

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I want to know what is the short circuit level when 8 NOS 2000 kVA, 415v, 50hZ generator connected in paraller

1 Answers  

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What is broken wire condition in transmission line?

2 Answers   TATA,

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