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张帅,郭源博,张晓华.基于复合重复控制的LCL型三相四开关有源电力滤波器[J].电源学报,2018,16(5):45-52
基于复合重复控制的LCL型三相四开关有源电力滤波器
Three-phase Four-switch Active Power Filter with LCL-filter Based on Hybrid Repetitive Control
投稿时间:2016-07-29  修订日期:2018-07-09
DOI:10.13234/j.issn.2095-2805.2018.5.45
中文关键词:  三相四开关有源电力滤波器  可靠性运行  复合重复控制  LCL型输出滤波器  电容电流反馈控制方法
英文关键词:three-phase four-switch active power filter  reliable operation  hybrid repetitive control  LCL-filter  capacitor current feedback control method
基金项目:国家自然科学基金资助项目(51377013,5140702 3);中国博士后科学基金资助项目(2013M540224)
作者单位E-mail
张帅 大连理工大学电气工程学院, 大连 116024 zs_jason@foxmail.com 
郭源博 大连理工大学电气工程学院, 大连 116024  
张晓华 大连理工大学电气工程学院, 大连 116024  
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中文摘要:
      三相四开关有源电力滤波器TF-APF(three-phase four-switch active power filter)作为一种容错拓扑,能够在容错状态下运行,有效抑制谐波电流,其研究对于电力电子功率器件及系统可靠性运行具有重要意义;采用LCL型输出滤波器能进一步提高TF-APF中开关次高频谐波的滤波效果,提高补偿精度。针对LCL三阶系统的谐振峰问题,采用一种电容电流反馈的控制策略,有效抑制谐振峰,提升系统稳定性与可靠性;为提高系统对指令电流跟踪的稳态特性与动态特性,采用一种复合重复控制策略,以实现对TF-APF指令电流的精准、快速跟踪控制。基于Matlab仿真实验,验证了所提基于复合重复控制的LCL型TF-APF系统的可行性与有效性。
英文摘要:
      As a kind of fault-tolerant topology, the three-phase four-switch active power filter(TF-APF) can work und-er fault-tolerant conditions, which effectively suppresses harmonic current. Therefore, the research on TF-APF is of great significance for the reliable operation of power electronic devices and the system. Furthermore, the utilization of LCL-filter can improve the filtering effect for high-frequency harmonics during switching, thus increasing the compensation precision. As a three-order system, the LCL-filter has the phenomenon of resonance peak. Accordingly, acapacitor current feedback control strategy is used to effectively suppress the resonance peak and improve the stability and reliability of the system. To enhance the steady-state and dynamic characteristics of the system when tracking the reference current, a hybrid repetitive control strategy is used to realize the accurate and rapid track of reference current of TF-APF. Simulations are carried out based on Matlab, and results verify the validity and feasibility of the proposed system of TF-APF with LCL-filter based on hybrid repetitive control.
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