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← ScienceWhich consequence results when a utility-scale transformer exceeds capacitance limits?
A)Core saturation induces harmonic distortion
B)Increased hysteresis causes eddy current losses
C)Dielectric breakdown creates cascading failure✓
D)Arcing releases sulfur hexafluoride
💡 Explanation
Dielectric breakdown causes a cascading failure because the electric field exceeds the insulation's ability to withstand it, leading to arcing and rapid degradation; therefore the dielectric breakdown occurs, rather than hysteresis or saturation in a properly rated transformer system under normal operational constraints.
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