Answer / hardik sakariya

when due to any sudden disturbance in the power system any
surge(switching or lightning) is produce than the voltage at
which the Circuit Breaker opens is called the transient
voltage and the voltage at which the circuit breaker extinct
the arc and either isolate or restore the fault is known as
recovery voltage.

What is the better way of passing 400 amp from sending end to receiving end ? By overhead line or underground cable and why ? if underground cable then how much depth require ?

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State kirchoff voltage law?

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what purpose to use excaiter in DG.?

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what is the differenc between A.C. and D.C, which is more dangerious?

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if a motor is running at 1500rpm then how you can find its HP

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how many types erthig

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