Single stage solar power grid tie inverter and its control method and application

摘要

A single-stage photovoltaic grid tie inverter that includes a DC-AC inverter circuit whose output is connected to the AC power network, and that is connected between the photovoltaic array and the DC-AC inverter circuit And a parallel connection circuit with a bypass element, wherein the rated power capacity Pdc of the DC-DC booster circuit is smaller than the rated power capacity Pac of the DC-AC inverter circuit.