Physics · Power System Protection
Inverse Definite Minimum Time (IDMT) relays are primarily used for the overcurrent and earth fault protection of transformers against:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1heavy loads within normal limits
- 2internal short-circuits
- 3external short-circuits✓
- 4All of the given options
Correct answer
external short-circuits
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