Simulation Research on the Control Strategy of Three-phase Four-leg Inverter
The four-leg inverter is able to provide simultaneous power supply for three-phase or single-phase load with symmetrical voltage and constant frequency. The prerequisite is that the four-leg inverter must be controlled appropriately, so the synchronous rotating control strategy based on the decomposition sequence is proposed in this paper. Firstly, the inverters mathematical model was given. Based on the model, control variables are decomposed in the novel decomposition sequence algorithm, and the forward-feed decouple method is adopted in the control system; Secondly, control system parameters are determined. Finally, by experimental results and comparatively analysis, the proposed control method is verified valid and is superior to Proportion-Integration control strategy on traditional synchronous frame.
three-phase four-leg inverter decomposition sequence algorithm feed-forward decouple control
Chen Hongbing Min Jingyan
Department of Physics and Electronic Engineering Xiangfan University Xiangfan City, China Schoole of Department of Physics and Electronic Engineering Xiangfan University Xiangfan City, China
国际会议
太原
英文
602-606
2010-10-22（万方平台首次上网日期，不代表论文的发表时间）