What is the impedence of Transformer?

2 Answers  

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why we are using DC supply for all protection relays, why cant we use AC supply..???

1 Answers  

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How to derive detailed design of Suitable bus Bar for 100A for 6.6KV?

0 Answers  

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If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

0 Answers   Kirloskar,

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what is the acceptable insulation resistance for motor/transformer?

2 Answers   Reliance, Tata Motors,

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when a cunductor is being disconnected from live cct, still it showing charged, if its checked by line tester?

8 Answers   GEB,

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in one substation we have two power transformers of 100mva,75mva capacity.statoin load is155mva.how much each tranformers share the load????

6 Answers   TNEB Tamil Nadu Electricity Board,

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Sir, plz tell me the relation b/w KW and frequency in Variable frequency Drive?

2 Answers  

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What is potientometer.How it is useful in a sychronoscope.

1 Answers  

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what is the difference between star and delta connection ? when we use each one ?what is the best ?

14 Answers   Amara Raja, Daikin,

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How do you reverse the direction of rotation of a FAN?

13 Answers   CPCL, IOCL,

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What is a Servo Stabliser.

2 Answers  

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