Define IDMT relay?

Define IDMT relay?
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2 Answers

Answer :

A:It is an Inverse Definite Minimum Time Relay. IDMT relay. It is inverse in the sense ,the tripping time will decrease as the magnitude of fault current increase.
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Answer :

It is an Inverse Definite Minimum Time relay. In IDMT relay its operating is inversely proportional and also a characteristic of minimum time after which this relay operates. It is inverse in the sense; the tripping time will decrease as the magnitude of fault current increase.
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