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← TechnologyWhich outcome occurs when a ground fault occurs on a three-phase wye-connected distribution circuit?
A)Overvoltage on unaffected phases✓
B)Balanced current flow to neutral
C)Reduced harmonic distortion
D)Increased system power factor
💡 Explanation
When a ground fault occurs, the fault current flows through the grounding impedance creating a voltage rise that elevates the potentials, causing overvoltage conditions on remaining phases because of single phase loading imbalance. Therefore overvoltage condition resuts, instead of balance current and reduce harmonic distortion, while higher power factor requires capacitive load compensation.
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