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模块化PWM主电路实现的大容量有源电力滤波器
引用本文:卓放,周新,李可,雷万均,王兆安.模块化PWM主电路实现的大容量有源电力滤波器[J].电力系统自动化,2002,26(16):45-47,61.
作者姓名:卓放  周新  李可  雷万均  王兆安
作者单位:西安交通大学电气工程学院,陕西省西安市,710049
基金项目:国家自然科学基金重点资助项目 (5 9737140 )
摘    要:有源电力滤波器在抑制电网谐波,提高电能质量方面有良好的应用前景。提高有源电力滤波器的装置容量是应用中有待解决的关键技术问题之一。文中在综合国内外目前实现大容量有源电力滤波器方法的基础上,介绍了一种采用多个模块化PWM主电路单元组合实现的大容量并联型有源电力滤波器,给出了该有源电力滤波器的主电路结构拓扑,分析了系统的工作原理及控制方法,并对在实现该装置时所遇到的问题进行了讨论。工业现场实验结果表明,采用该方法实现的有源电力滤波器有着良好的补偿特性,有效地解决了有源电力滤波器在大容量时器件与装置容量之间的矛盾。

关 键 词:模块化PWM主电路  大容量有源电力滤波器  电力系统  无功功率补偿
收稿时间:1/1/1900 12:00:00 AM
修稿时间:1/1/1900 12:00:00 AM

LARGE VOLUME ACTIVE POWER FILTER BASED ON MODULARIZED PWM MAIN CIRCUIT
Zhuo Fang,Zhou Xin,Li Ke,Lei Wanjun,Wang Zhaoan.LARGE VOLUME ACTIVE POWER FILTER BASED ON MODULARIZED PWM MAIN CIRCUIT[J].Automation of Electric Power Systems,2002,26(16):45-47,61.
Authors:Zhuo Fang  Zhou Xin  Li Ke  Lei Wanjun  Wang Zhaoan
Abstract:Active power filter has a good application foreground on decreasing harmonics and improving the power quality. How to increase the volume of the active power filter is one of the key problems in practice. Based on the existing methods of realizing large volume active power filter, a new large volume active power filter is introduced. The main circuit of the large volume active power filter consists of multiple modularized PWM converters. The topology structure of main circuit, system principles and control methods are described, and the exceptional problems are also discussed. The experiment results show that the large volume active power filter in use of multiple modularized PWM has good effects on decreasing harmonics and it effectively solves the contradiction between frequency and volume.
Keywords:harmonics  active power filter  modularization
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