why transformer rating is expressed in kva.

4 Answers   Electrosteel, L&T,

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why we are using the 2 slope in differential relay?but in busbar differential we are using only one slope. what is the reason.

1 Answers  

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Can we use delta-star neutral grounded 3 phase power transformer bi-directionally.

2 Answers   GMR,

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how to calculate the size of cable for 100 kva load,?can somebody tell me with a formula

7 Answers   Havells,

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what is vector surge & vector shift? we have 25.3 MW(11kv) generator & 11kv/132kv transformer, connected with with 132 kv grid.vector surge relay is tripping frequentaly.what is permissible maximum limit for this.

3 Answers  

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why dc supply is given to the field of alternator

9 Answers  

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how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

0 Answers   Honeywell,

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I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

0 Answers   Jindal,

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what is the acceptable insulation resistance for motor/transformer?

2 Answers   Reliance, Tata Motors,

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what will be the effect if we increase the excitation of a alternator??

3 Answers  

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what is meant by 3rd hormonics ?

0 Answers  

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what is technical diffrence between table fan and ceiling fan

5 Answers  

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