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← TechnologyWhich outcome occurs when asymmetrical saturation affects differential transformer protection?
A)Nuisance tripping of circuit breakers✓
B)Harmonic distortion reduction occurs instead
C)Transformer core lifespan increases noticeably
D)Increased short-circuit withstand capability
💡 Explanation
Nuisance tripping happens because asymmetrical saturation generates harmonics that interfere with the differential current measurement, which, in balanced conditions, should ideally be zero; harmonic filters may not fully compensate therefore circuit breakers falsely trigger, rather than staying secure.
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