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?

1 Answers  

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what is sevice settings for mccb?How can be it setted?

1 Answers  

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Two alternators say 1 & 2 are poised to parallel operation. But at the time of paralleing alternator 2 gets out of the system by tripping Earth fault relay. Please send me reply why this is happening?

2 Answers  

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What is the output voltage of a DG set.

3 Answers   Fitness First,

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What is GD2(kg-m2) for Sq. cage ind. motor?

2 Answers   ABC, Essar, MMM,

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Why CBCT rating is 50/1A

0 Answers  

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i have three phase 25kva transformer but there is two phase line how can i connect to the two phase line?

2 Answers  

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why use celling fan wing is two or three ?

2 Answers  

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why do we prefer -48 volt instead of -24volt or -12 volt etc. ??

1 Answers  

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What is shutdown of electrical sub station?

0 Answers   UCEP Bangladesh,

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What is core balancing in Power Transformer. What is the affect of an unbalabce core.

1 Answers  

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What is meant by positive and negative feedback?

0 Answers  

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