• You will now see how the reverse power protection is provided using reverse power relay.
  • Consider that both the generators are now running with 200 kilowatt loads on each one of them.
  • if a prime mover of no.1 generators fail, the voltage and load drops on that generator.
  • This makes the power to flow the bus bar back to the generator.
  • As the power relay senses the reverse power flowing into The generator, it opens the main circuit breaker of no.1 generator. Hence the reverse power relay avoid the possibility of damages to the generator and also helps stabilize the power system.

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