Solar Cell Single-Diode Model & Fill Factor Calculator
Determine open-circuit voltage ($V_{oc}$), short-circuit current ($I_{sc}$), Maximum Power Point ($V_{mp}, I_{mp}, P_{max}$), Fill Factor ($FF$), and parasitic resistance losses.
Cell Parameters & Parasitic Resistances
Single cell ~0.65-0.72V; 60-cell module ~38-42V
Diffusion=1.0, Recombination=2.0
Metal contact and emitter resistance
Edge leakage / junction defect paths
Photovoltaic Performance Metrics
Maximum Power (P_max)
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Fill Factor (FF)
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MPP Voltage (V_mp)
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MPP Current (I_mp)
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Saturation I_0
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Cell Quality & Resistance Losses
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