what is the difference between contactors & relay.

2 Answers  

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how load of a turbo generator can be increased

0 Answers  

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what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R

0 Answers   NCC,

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why transmition and distribution and genaration of voltage in multible of 11 means 220v,440v,11kv,22kv,,,...so on

3 Answers  

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In oil transformer which oil is used & what should be the insulation resistance & heating capacity.

2 Answers  

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Explain REF protection and sbef protection in transformer?

3 Answers  

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Why smallest capacity LV motor are star connected and medium & bigger size LV motors are delts connected

1 Answers  

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what is the diffrence between capasitor and battery?

2 Answers  

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Is only insulation the difference between High voltage and Medium voltage cable?

1 Answers  

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What is stepper motor?

0 Answers  

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in transformer the unit of power is in kva why?

4 Answers   Videocon,

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Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.

1 Answers   Electrical Tech,

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