Answer / priyanka

electromagnetic induction,lenz's law,faraday,s left hand rule
and right hand ruleand etc.

Answer / piyush kumar

Faraday's laws of Electromagnetic Induction, Lenz's Law, Flemming's right hand(generator) and Left Hand (Motor) rule.

in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 Answers   ABB,

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what is the kva rating of 20 kv transformer?

1 Answers  

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y we are used signal conditioner in capacitive transducer

1 Answers  

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Capacitor panel CT is normally fixed on Y phase of the main panel.why???

3 Answers  

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What is the reason for low voltage in houses?

19 Answers   Maytas,

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What is the permissable nutral current of three phase system as per IS standards?

0 Answers  

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why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??

0 Answers   TCS,

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Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

0 Answers  

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what is the use of neutral?

14 Answers   IOCL,

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why we use star connection in HT motor? and delta connection in LT motor

2 Answers   npcc,

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why distribution transformer are of DY11 type?

4 Answers  

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What should be ideal IR value for 11kV, un earthed, 1 MW motor?

3 Answers   Sail,

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