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← TechnologyWhich outcome occurs when a transformer connected in parallel experiences circulating current?
A)Increased winding insulation degradation✓
B)Optimized reactive power sharing
C)Harmonic resonance suppression results
D)Enhanced secondary voltage regulation
💡 Explanation
Excessive circulating current causes resistive heating in windings due to the transformer's impedance mismatch; because of ohmic losses exceeding the design specifications, insulation degrades more quickly, therefore life span significantly reduces rather than enhancing power sharing characteristics.
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