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← TechnologyWhich outcome results when three-phase systems experience underdamped oscillations?
A)Sustained voltage and current surges✓
B)Critically damped harmonic voltage decay
C)Extremely improved power factor stability
D)Optimal reactive power load balancing
💡 Explanation
Underdamped oscillations cause sustained surges because the system's damping ratio is insufficient to dissipate energy quickly; therefore, the surge persists, rather than decaying rapidly, meaning the voltage and current rises considerably.
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