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← ScienceWhich risk increases when a long high-voltage transmission line energizes, especially concerning components with capacitance?
A)Ferroresonance causes voltage amplification✓
B)Corona discharge induces surface erosion
C)Ohmic heating degrades conductors
D)Skin effect limits current capacity
💡 Explanation
The energization can initiate ferroresonance because the line's capacitance, coupled with transformer inductance, forms a resonant circuit amplifying voltage, therefore leading to potential insulation failure rather than only skin effect or ohmic heating.
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