how to differentiate a mpcb,mcb with a contactor?
Explain their working operation
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Do anyone know how can I calculate earthing for substation or do anyone know any software which I can use for this case
Why we are testing cables with dc?
according to ohms law ,the voltage increases then current is what happened?
why rating of transformer is in kva instead of kw?
What is the difference Marshaling box and RTCC (Relay tap changer circuit) Panel of transformer ?
WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM
How will you Physically differentiate A.C and D.C motor?
As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?
What is Procedure the procedure to select CT's & PT's in 66kV and above substation
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what is ten delta ?
What is cogging and crawling phenomenon in motor.
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