Which outcome occurs when rapid over-correction by anti-islanding protection on a distributed generation circuit breaker precipitates a cascading event?

💡 Explanation

Voltage sag occurs because **sympathetic tripping** extends the initial disturbance, leading to voltage collapse at more distant points; therefore, voltage sag is the result, rather than simple islanding, which protection is designed to prevent, or immediate harmonic effects.

• Which outcome occurs when stress corrosion cracking develops within prestressing tendons of a concrete bridge?
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