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← TechnologyWhich outcome occurs when a power transformer with solid-state circuit breakers experiences sustained inrush current after energization?
A)Transformer core saturation and overheating
B)Breaker malfunction due to misidentification✓
C)Increased harmonic distortion on power lines
D)Voltage sag across connected distribution network
💡 Explanation
When sustained inrush current exceeds the breaker's programmed thresholds, the solid-state breaker’s algorithm may misidentify it as a fault condition instead of temporary overcurrent, leading to nuisance tripping and breaker malfunction. Therefore breaker malfunction results rather than saturation, harmonics, or voltage sag which involve different transformer operating regimes.
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