Predictive Current Control of Single-Phase H-bridge Converter

被引:0
|
作者
Zheng, Wei [1 ]
Sun, Zhaolong [1 ]
Liu, Baolong [1 ]
Liu, Ziwei [1 ]
机构
[1] Naval Univ Engn, Dept Elect Engn, Wuhan, Peoples R China
关键词
single-phase H-bridge converter; wide input voltage range; predictive current control (PCC); mathematical model; state observer;
D O I
10.1109/ICPSAsis55496.2022.9949861
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Single-phase H-bridge converter has the advantages, such as lower power device voltage stress, fewer passive components, and variable output voltage polarity. Single-phase Hbridge converter has been applied in many applications with a wide input voltage range, and it has strong demand background and the value of promotion and application. Predictive current control (PCC) of a single-phase H-bridge converter has the fastest dynamic response when tracking the reference current, but the control delay will cause a steady-state error in the inductor current. To better control the inductor current of a single-phase H-bridge converter, this paper proposes to use the mathematical model of the converter to minimize the error of the predicted current and the reference current, so that the converter has a faster response speed and a smaller current overshoot, the stability of the single-phase H-bridge converter is guaranteed. At the same time, a state observer is proposed to improve the estimation of the inductor current in control delay compensation. The research results show that PCC has a good control effect in a single-phase H-bridge converter.
引用
收藏
页码:63 / 66
页数:4
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