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← ScienceWhich risk increases disproportionately when stray magnetic fields saturate transformer cores?
A)Eddy current loss in laminations✓
B)Dielectric breakdown within insulation
C)Increased winding copper conduction loss
D)Elevated structural vibrational energy dissipation
💡 Explanation
Eddy current losses rise sharply at magnetic saturation because permeability is reduced, driving greater induced currents in the core's laminations through electromagnetic induction; therefore, increased eddy current heating occurs rather than simple winding resistance or structural losses.
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