不对称拓扑的单调谐混合有源滤波器研究  

Single-Tuned Hybrid Active Power Filter with Asymmetric Topology

作　　者：张淼[1] 关意川 冯春寿 文俊铭 吴事煜 Zhang Miao;Guan Yi-chuan;Feng Chun-shou;Wen Jun-ming;Wu Shi-yu(School of Automation,Guangdong University of Technology,Guangzhou 510006,China)

机构地区：[1]广东工业大学自动化学院,广东广州510006

出　　处：《广东工业大学学报》2023年第5期102-107,共6页Journal of Guangdong University of Technology

基　　金：广东省自然科学基金资助项目(2015A030313487)。

摘　　要：针对非线性负载引起的谐波污染问题,提出一种不对称拓扑的单调谐混合有源滤波器(Hybrid Active Power Filter,HAPF)。该不对称拓扑结构包含一个三相电压型变流器与两相LC式无源滤波器。通过分析新拓扑的工作原理和特点,构建滤波等效电路,利用含无源滤波器的两相电流构造不对称第三相电流的控制量,实现对电网三相谐波电流的有效抑制和滤波器直流电压的控制,直流侧电压采用比例积分(Proportional Integral,PI)控制其稳定。利用仿真和实验对拓扑电路及控制策略进行验证,实验结果验证了所提出的拓扑结构及控制方案的可行性。To address the harmonic pollution caused by nonlinear loads,a single-tuned hybrid active power filter(HAPF)with asymmetric topology is proposed,which consists of a three-phase voltage converter and a two-phase LC passive filter.By analyzing the operating principle and characteristics of the new topology,a filtering equivalent circuit is designed.By analyzing the working principle and characteristics of the new topology,a filter equivalent circuit is constructed.The two-phase current with passive filter is used to construct the control quantity of asymmetric third-phase current,which can effectively suppress the three phase harmonic current of the power grid and control the DC-link voltage of the filter.The DC-link voltage is stabilized by Proportional Integral(PI).The topology circuit and control strategy are tested by conducting simulations and experiments,and the experimental results validate the feasibility of the proposed topology and control scheme.

关 键 词：有源电力滤波器 非线性负载 谐波 不对称拓扑 

分 类 号：TM761[电气工程—电力系统及自动化]