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← TechnologyWhich consequence results when a ground fault generates excessive current within a three-phase transformer's delta-wye connected secondary neutral circuit?
A)Arc flash hazard increase✓
B)Ferranti effect amplification
C)Transformer core saturation
D)Capacitor bank overloading
💡 Explanation
Arc flash risk increases because current spikes due to ground faults trigger a high-energy discharge. Therefore, workers risk severe burns, rather than Ferranti voltage rise or core saturation, given the fault is current-driven, rather than voltage-driven or magnetic.
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