what is a bus post insulator? explain its application in a substation.

1 Answers   Enercon, HAL,

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How much ampere can withstand for 2sq mm c able?

2 Answers  

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A dc motor running on dc drive whose input is 3ph AC what will happen if we change the phase sequence of dc drive for e.g (R Y B) is connect as R B Y, will the motor run as same as previously running before changing phase without any effect

4 Answers  

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What will happen if the field of synchronous generator is removed when it is in operation with no load?

3 Answers   HJ, UPPCL,

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how u change the vector group of a transformer like DYN1 to ynd11

2 Answers  

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What is the difference between electronic regulator and ordinary rheostat regulator for fans?

0 Answers  

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When to use Oil Transformer type and When to use Dry type? What is the difference between both?

2 Answers   ABC,

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what is transformer?

4 Answers   Mphasis,

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Keywords: Die, Card, Coin, B/N 2 To 12

0 Answers   TCS,

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Why let through energy not considered for ACB breaker while cable sizing?

0 Answers  

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Is it benefitial to supply 210v ac to lighting fixtures instead of 240v ac?

2 Answers  

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power factor is max for which welding a.arc b.resistance c.gas

2 Answers   Bhel, HCL,

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