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← TechnologyWhich risk increases when resonant frequency is sustained in a high-voltage power distribution circuit?
A)Ferranti effect voltage amplification
B)Cascading transformer core saturation✓
C)Transmission line impedance drop
D)Increased eddy current transformer losses
💡 Explanation
The risk of cascading transformer core saturation increases because resonant frequency initiates sustained oscillations near the core's saturation point, enabling enhanced magnetizing current; therefore, continuous saturation; sustained over magnetisation rather than alternative impedance matching.
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