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← TechnologyWhich consequence results when insufficient coordination of electrical breaker trip curves occurs?
A)Cascading power system outages✓
B)Increased skin effect losses
C)Elevated harmonic distortion levels
D)Generator over-excitation conditions
💡 Explanation
Cascading power outages result because of improper coordination of protection. Fault isolation fails via sympathetic tripping, therefore, a larger portion of the system is unnecessarily de-energized. Under normal operation or ground faults, downstream breakers act first rather than upstream breakers.
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