Maximum power point tracker and photovoltaic charging system

The utility model relates to a solar control technical field provides a maximum power point tracker and photovoltaic charging system. Wherein, maximum power point tracker includes input capacitance, boost circuit, output capacitance and inverter circuit, the input capacitance boost circuit and output capacitance parallel connection, just output capacitance with inverter circuit connects, the positive pole of input capacitance is used for being connected with photovoltaic module's positive output end, the negative pole of input capacitance is used for being connected with photovoltaic module'scathode output, boost circuit includes a boost module and the 2nd boost module, a boost module with the 2nd boost module parallel connection, inverter circuit is single -phase full -bridge structure.Circuit component's voltage stress and electric current stress can be realized reducing, low -heat is fallen, boost efficiency. 本实用新型涉及太阳能控制技术领域，提供了种最大功率点跟踪系统及光伏充电系统。其中，所述最大功率点跟踪系统包括输入电容、升压电路、输出电容和逆变电路；所述输入电容、所述升压电路和输出电容并联连接，且