does buccholz in a transformer use batteries

2 Answers  

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If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

1 Answers   GE,

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what are different type of triping equipmen like MCB,MCCB and their differences

3 Answers   ABB, Schneider, UPPCL,

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what is harmonics? what are the factors it will depend upon

0 Answers   KSEB,

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Where -48 volt DC use & why?????????

10 Answers   Ericsson, INDUS, Indus Towers, Telecom,

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage

4 Answers   Gannon Dunkerley,

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What is switch gear? How it is work ?

1 Answers   AbaQulusi Municipality, Lupin,

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Wheather there exist any dc transformer

6 Answers  

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with the help of drive can we run the 50hz motor on 100hz,what will be its effect.

3 Answers   BPL,

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why do we use magnetic contactors ?circuit breakers are not enough?

5 Answers  

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What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?

4 Answers   CGL,

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What is Black-out and Brown-out situation in the context of voltage stability in power system?

1 Answers  

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