It is the rate of increase of restriking voltage and is abbreviated by R.R.R.V. its…

 It is the transient voltage that appears across the contacts at or near current zero…

The phenomena of Arc  During opening of current carrying contacts in a circuit breaker the…

The protection scheme for a power system should cover the whole system against all probable…

·         The range of size of generators extends from a few hundred KVA to more than…

Under Frequency Relay Frequency based relays can either be under frequency relay or over frequency relay. The frequency…

Advantages of static relays  •  Due to the amplification of energizing signals obtainable, the sources need…

 Distance relay is used for the protection of transmission line & feeders In a distance…

 1.                          When fault current can flow in both the directions through the relay, at its location.…

Torque is defined as the moment of the external applied force about a point or…