Quasi-Z source H6 photovoltaic inverter

In order to overcome the insufficient boost capability of traditional Boost photovoltaic inverters and the common-mode leakage current problems of traditional quasi-Z-source photovoltaic inverters, this paper proposes a quasi-Z-source-based H6 photovoltaic inverter. Its topology is to combine the quasi-Z source converter with the new H6 inverter proposed in this paper. First, the topology and working principle of the circuit are analyzed, and its steady-state characteristics are proven through mathematical formulas. The boosting capability is enhanced by the quasi-Z source converter, and the leakage current is suppressed by the new H6 inverter. Then use Matlab/Simulink software for simulation analysis, and the simulation proves the reliability and superiority of the circuit topology.