how voltage regulator works ?

1 Answers  

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What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

2 Answers  

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When are the directional relays used?

0 Answers  

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why the transformer is not operates on two phase?

1 Answers   APGenco, Atkins, FFBL,

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how to protect motor in dol starter having capacity of 30 hp.40 hp?

0 Answers  

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Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?

0 Answers  

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what is the reason for drop in freq. from 50 hz at generating side to 49.8 ,49.6 etc.at receiving side???

2 Answers  

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in electrical fire which group fier Extinguisher as used

6 Answers  

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what is working process of star delta controlling circuit ?

0 Answers  

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in soft starter system for 375 KW 3 ph induction motor for multi stage vertical pump, two thyristers failed causing shorting of thyrister. the motor winding failed while starting.What is the cause and what is the effect in above case

1 Answers   KPCL,

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what is power factor ? why is it so important?

2 Answers   Telco,

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For backup batteries connection,which method is best? series or parallel ?  

3 Answers   ABC,

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