Answer / k.prakashchandra

% impedance = (rated current * impedance *100)/rated voltage

if neutral earthing is weak of a system then how can we improve it ? Technically explanation ??

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How much area is covered by a single lightning arrestor to protect object from lightning strokes ?

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In electrical cables what is U and U0 refers?

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what is the meaning of pi value?

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what is meant by AYFY Cable?

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How the main bus bar rating of 400kV switchyard with one and half breaker scheme is calculated.

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what is power factor ?

3 Answers  

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what will happen if we directly give supply to rotor of a induction motor?

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why is the size of earth conductor is half of phase conductor.

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Name quantities which are not transformed in the tranformer.

3 Answers  

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why we use capacitor in Fans not resistor?

4 Answers   Vardhman,

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