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← TechnologyWhich outcome from imbalanced line impedances disproportionately affects a three-phase power system?
A)Increased neutral conductor current✓
B)Elevated system operating temperature
C)Reduced transformer core saturation
D)Improved power factor at generation
💡 Explanation
When line impedances are significantly imbalanced, negative sequence currents arise. Negative sequence currents flow in generators causing increased neutral current flow because this current returns through the neutral path to balance the currents. Therefore, increased neutral current results, rather than alternative effects which depend on balanced conditions.
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