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← TechnologyWhich outcome occurs when rapid differential current surge?
A)Transformer differential protection relay trips✓
B)Increased core hysteresis saturation occurs
C)Tap changer automatically adjusts voltage
D)Increased eddy current circulation evident
💡 Explanation
The differential protection relay trips because it detects a large imbalance between the currents entering and leaving the transformer. This activates differential protection, rather than other operational adjustments, because it presumes major fault.
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