An undervoltage release mechanism (UVR) is fitted to all generator breakers and some main feeder circuit breakers for what primary reason?

Question

Accepted Answer

trip out the breaker when a severe voltage dip occurs

Answer

trip out the breaker if the generator overspeeds by 5%, but continues to run

Answer

trip out generators when there is reversal of power in the main circuit

Answer

trip out generators in the event of severe arcing or sparking

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