What Is An Under Frequency Relay?

1.	What Is An Under Frequency Relay?
Answer» An under frequency RELAY is one which operates when the frequency of the SYSTEM (usually an ALTERNATOR or transformer) falls below a CERTAIN value. An under frequency relay is one which operates when the frequency of the system (usually an alternator or transformer) falls below a certain value.

Answer»

An under frequency RELAY is one which operates when the frequency of the SYSTEM (usually an ALTERNATOR or transformer) falls below a CERTAIN value.

An under frequency relay is one which operates when the frequency of the system (usually an alternator or transformer) falls below a certain value.

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