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Which outcome occurs when a synchronous condenser’s excitation circuit fails amidst a prolonged undervoltage condition?

A)Leading VAR output diminishes rapidly
B)Harmonic distortion is marginally increased
C)Reactive power absorption increases steadily
D)Voltage regulation immediately stabilizes

💡 Explanation

Reactive power absorption increases because the **field weakening** reduces the counter-electromotive force; therefore, the machine acts more like an inductive load, rather than providing capacitive VARs, especially during prolonged dips in voltage conditions.

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