We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.

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How to calculate per unit impedance of transformer?

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The neutral to earth connection in my industry is showing a zero reading (shorted). I have a machine which has to be installed where neutral to earth is not shorted and shows a leak voltage <3 Volts. Please suggest me how it is possible.

6 Answers  

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what is meant by reactive power ,active power & real power ? thank you

2 Answers  

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Earth has zero potential then what would be the neutral potential ?

0 Answers   JLL,

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Why do you get a typical sound when the transformer is put into operation?

4 Answers   IIT,

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What is the difference between tie bus and bus coupler?

1 Answers  

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What do you mean by eddy current loss?

1 Answers  

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How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

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What are the three major categories of error?

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Is there a chance for a motor speed to become negative..?? What is the reason for such a phenomenon.? In that case does the motor works as a generator..???

1 Answers  

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how to identify the failer of igbt

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