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← TechnologyWhich risk increases when thermal runaway occurs in an uninterruptible power supply (UPS) lithium-ion battery pack, exceeding cell limits?
A)Breaker trip due to overcurrent✓
B)Reduced harmonic distortion injected
C)Decreased electromagnetic interference (EMI)
D)Increased power factor correction
💡 Explanation
Overcurrent protection risks causing a breaker trip due to overcurrent, driven by the runaway's exponential current increase. The underlying mechanism is positive thermal feedback because rising temperature accelerates lithium-ion degradation, therefore the breaker trips rather than harmonic changes.
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