identify various faults in motor, relays and circuit breaker and relevant protection scheme
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The main characteristic of the relay is to reduce the operating time with the increase in the magnitude of the fault current. The various types of motor protection schemes are explained below.
1. Overcurrent Protection – This is the basic type of protection that is employed for short circuit protection of stator windings. The fuses and direct acting elements employ for the protection of the stator winding. The motor is mainly grouped into two categories, i.e., non-essential services motor and essential services motor.
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