1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?

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can we transmit power with out cable if it is possible how it is possible.

2 Answers  

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what is the distance between two overhead lines

1 Answers   Aurobindo,

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how to calculate short circuit breaking capacity KA for 2500kva 33kv transformer.

0 Answers  

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how to check the LRS resistance .......................

1 Answers  

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What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

0 Answers  

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why we use negative feedback in control system.

2 Answers  

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why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

0 Answers  

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What is an isolation transformer?Why do we need isolate circuits?Where do we use them?

2 Answers  

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pls tell about gas insulated substation?which gas is used for that substation?above which rating we are used this substation?how we take maintenance in that substation?it means substation fully shutdown or live condition?if live condition means how?pls clear this things

1 Answers   Essar,

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What happens if there is no nuetral in the power system?

5 Answers  

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can we use ps class in combination with protection class in differential protection and over current protection.

1 Answers  

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