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← ScienceWhich outcome occurs from excessive harmonic frequencies in AC power transmission?
A)Lowered transformer core losses
B)Increased Reactive Power Demand✓
C)Reduced skin effect losses
D)Decreased transmission line impedance
💡 Explanation
Excessive harmonic distortion causes increased reactive power demand because harmonic currents increase RMS current which raises reactive power losses through inductive impedance. Therefore, more reactive power is demanded rather than the line losses decreasing, reducing skin effect or lowering transformer losses.
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