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← TechnologyWhich outcome results when harmonic currents circulate neutral return of electrical power distribution circuits?
A)Increased zero sequence current✓
B)Reduced skin effect losses
C)Transformer core saturation decreases
D)Improved power factor correction
💡 Explanation
Increased load imbalances produce larger neutral current because circulating harmonic currents cause additive effects, especially in the zero sequence components. Therefore, the zero sequence current increases considerably, rather than decreased core saturation, improved power factor, or alterations to the skin effect.
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