1. School of Electrical Engineering and Automation Fuzhou University Fuzhou 350116 China; 2. Kehua Hengsheng Electric Power Electronic Technology Research Center Fuzhou University Fuzhou 350116 China
Abstract：In order to solve the problem of poor output waveform quality of low-power current source, a PI+repetitive control algorithm is applied to control the single-phase programmable current source inverter. Firstly, an inverter system model is built to design the PI controller and repetitive controller with parameters, based on the analysis of system transfer function under the two control strategies. Through simulation and comparison, it is concluded that the output waveform of composite control strategy has better quality and higher control accuracy than PI control. Finally, a prototype of a standard programmable current source with a power of 25W and an output range of 0~5A was built and experimental results prove the feasibility of the theoretical analysis.
张旗, 蔡逢煌, 黄丽梅, 陈筱艺. 单相程控电流源PI+重复控制[J]. 电工技术学报, 2019, 34(zk1): 163-170.
Zhang Qi, Cai Fenghuang, Huang Limei, Chen Xiaoyi. PI+ Repetitive Control Applied to Single-Phase Programmable Standard Power Source. Transactions of China Electrotechnical Society, 2019, 34(zk1): 163-170.
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2019, Vol. 34 
