摘要
为了提高矿用有源电力滤波器的补偿能力,提出了一种基于滑模谐振控制器的有源电力滤波器控制策略。根据d-q坐标系的电流方程采用滑模控制理论设计了电流环滑模控制器,同时针对三相不控整流电路产生的含量较高的正序7次谐波分量及负序5次谐波分量,利用改进谐振控制可实现正弦波信号的零稳态误差跟踪,并在滑模控制的基础上并联谐振控制,从而提出一种滑模谐振控制算法。与传统PI控制相比较,仿真结果验证了所提方法的有效性和优越性。
In order to improve the compensation performance of active power filter （APF）, a novel control technology based sliding-mode resonant control method is proposed for APF control system. In this method, sliding-mode controller is designed using the mathematical model in d-q coordinate system. Moreover, for the harmonic characteristic of a three-phase uncontrolled rectifier, as 7th order harmonic is positive sequence component, due to resonant controller can obtain zero steady-state error for sinusoidal inputs, the proposed composite control structure of sliding-mode controller in series resonant controller, and the detailed design method of the controller is provided. Comparing with the traditional PI control, the effectiveness and superiority of the proposed method are verified by simulation results.
出处
《煤炭技术》
北大核心
2017年第6期242-244,共3页
Coal Technology
基金
贵州省教育厅课题资助(NGJGH2012052)
关键词
有源电力滤波器
指定次谐波
滑模控制
谐振控制
active power tilter
selective order harmonic
siding-mode control
resonant control
