Basics of photovoltaic cells

Analysis of the electrical characteristics of photovoltaic cells

① Equivalent mathematical model of photovoltaic cellA typical equivalent circuit of a photovoltaic cell is shown in Figure 1, and its output characteristic equation can be described by equation (1): IPV=IPC﹣Io{exp[(q/nckcT)(VPV+RSIPV)]﹣1}﹣(VPV+RSIPV/Rsh) (1) In the formula, Io is the PN junction reverse saturation current of the equivalent diode inside the photovoltaic cell, and the mathematical expression […]