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为提高煤矿供电系统静止无功发生器(SVG)的补偿效果,提出一种基于重复PI控制的SVG复合控制策略。简述了静止无功发生器的基本原理,分析了重复PI控制的机理特性。较传统的PI控制而言,重复PI控制能消除稳态误差和提高动态性能,有效改善了输出电流波形质量。
In order to improve the compensation effect of static generator (SVG) in coal mine power supply system, a hybrid SVG control strategy based on repetitive PI control is proposed. The basic principle of STATCOM is briefly described, and the mechanism characteristics of PI control are analyzed. Compared with the traditional PI control, the repetitive PI control can eliminate the steady-state error and improve the dynamic performance, effectively improving the output current waveform quality.