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← TechnologyWhich consequence results when metal oxidation creates high resistance in a photovoltaic panel's bypass diode circuit?
A)Localized panel hotspot formation✓
B)Increased grid harmonic distortion
C)Elevated charge controller temperatures
D)Reduced inverter DC conversion efficiency
💡 Explanation
Photovoltaic bypass diodes normally prevent cell mismatch overheating; when oxidation creates high resistance, this prevents current flow through the bypass diode. This causes the affected cell to dissipate excessive power as heat, because current is forced through the high resistance, rather than passing safely via diode.
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