Which outcome occurs when a large, rapidly increasing ground fault current develops within the neutral-grounding circuit in a wind turbine's step-up transformer?

💡 Explanation

A transient voltage surge is generated due to the rapid change in current (di/dt) through the circuit's inductance; this is inductive kickback. Therefore, a surge occurs, rather than increased core losses, because the high di/dt dominates over steady magnetic field effects.

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