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← ScienceWhich consequence results when a transformer's molecular drying agent degrades?
A)Increased risk of winding insulation breakdown✓
B)Excessive core saturation reduces effectiveness
C)Higher eddy current formation within enclosure
D)Radiator fan slows from overcooling
💡 Explanation
Winding insulation breakdown is more likely during aging; the desiccant removes moisture, preventing hydrolysis. Hydrolysis increases conductivity via ionic mobility increases, therefore insulation performance degrades because moisture-induced conductive pathways form, rather than other disruptive effects due to heat or saturation.
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