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← TechnologyWhich outcome occurs when capacitance increases excessively in a power factor correction circuit attached to a large induction motor?
A)Leading power factor emerges
B)Harmonic resonance intensifies greatly✓
C)Motor's slip speed decreases stably
D)System voltage sags dramatically
💡 Explanation
Harmonic resonance greatly intensifies because excessive capacitance creates a lower impedance path for specific harmonic frequencies, causing amplification. Therefore, harmonic resonance increases rather than motor performance changes or voltage stability, resulting in circuit overheating.
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