Su Wang, Yiming Zou, and Liang Zeng*
Electrical and Electronic Engineering, Hubei University of Technology University, Wuhan, China
*Corresponding Author: [email protected]
With the rapid development of China's socialist market economy, more and more people begin to pay attention to the development and utilization of new energy, and new energy has begun to attract people's attention. The main circuit structure and working principle of the most important inverter circuit in the whole photovoltaic power generation system are analyzed in detail, and the calculation method of the main components of the photovoltaic inverter circuit selected in this study is given and confirmed through simulation and experiment. When the main circuit of the whole photovoltaic inverter is analyzed and studied, in order to improve the output power of the whole circuit, the basic circuit structure is modified appropriately. The whole circuit uses high switching frequency, high voltage resistance IGBT, achieved the purpose of simplifying the whole circuit, and the overall efficiency of the circuit can be reduced, while ensuring the good output waveform of the whole circuit.
Photovoltaic Inverter, IGBT, PI Controller
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