is it necessarry to charge the battery of ups always??

3 Answers  

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what is the wattage of 'zero watt' bulb?

16 Answers   PSEB,

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We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?

0 Answers   Bhel,

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In case of generator when we consume more power produces by it why load on generator increase and starts sound more. and how it is adjusted..

0 Answers  

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how does bode plot have an advantage over root locus? how does it determine the stability of a system depending upon the location of poles and zeroes?

2 Answers   NBKR,

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which oil used in transformer?

5 Answers  

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what happens in a genarator when rotor supplied with ac instead of dc

3 Answers  

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if three phase supply is given to single phase transformer, what will happen?

3 Answers  

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when ELCB breaks the circuit than INVERTER auto-connect the circuit to the battery than how can the operetor is safe??

1 Answers  

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what is power

6 Answers   ABB,

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What is the type of electrical earthing recommended in hard rock area

2 Answers  

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what is transformer

63 Answers   ABB, Advance Power Controls, CERC, Electrical, Electrical Supervisor Competency Certificate, ETA, IBM, Jindal,

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