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← TechnologyWhich consequence results when transient overvoltage suppression fails in electrical power distribution systems?
A)Increased transformer core hysteresis losses
B)Compromised surge arrester clamping voltage
C)Accelerated insulation breakdown within equipment✓
D)Decreased transmission line power factor
💡 Explanation
When transient overvoltage suppression fails, voltage spikes directly stress insulation because *dielectric breakdown* occurs when the insulation's breakdown voltage is exceeded. Therefore, accelerated insulation breakdown ensures, rather than a marginal change in power factor in the long transmission lines.
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