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Which outcome occurs when circulating currents overheat three-phase transformer conductors?

A)Increased core lamination eddy currents
B)Component dielectric material strength degradation
C)Compromised terminal block current regulation
D)Compromised circuit overcurrent protection coordination

💡 Explanation

Compromised overcurrent protection results because circulating currents saturate current transformers, therefore protective relays will fail to operate correctly, rather than core losses; correct protection coordination is crucial under these conditions.

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