Protective relay is a device which is activated because of electrical quantity change such as volt and current or physical quantity like thermal degree and oil move and it leads to start other devices and at last break the circuit by circuit breaker . It is used for earth or air feeders in distribution system power plants in different voltage levels.
Protective Relay
Protective relay is a device which is activated because of electrical quantity change such as volt and current or physical quantity like thermal degree and oil move and it leads to start other devices and at last break the circuit by circuit breaker . It is used for earth or air feeders in distribution system power plants in different voltage levels.
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