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基于DSP的并联有源电力滤波器数控系统
作者:李小凡,郭兴众,任美婵 日期:2007-07-09/span> 浏览:4399 查看PDF文档
基于DSP的并联有源电力滤波器数控系统
李小凡,郭兴众,任美婵
(安徽工程科技学院 电气工程系,安徽 芜湖 241000)
摘 要:传统无源电力滤波器的设计方法过分依赖经验,优化能力弱。针对有源电力滤波器设计的难点,基于瞬时无功功率理论,开发了一种基于TMS320LF2407A的并联有源电力滤波器数字控制系统。介绍了有源滤波器的工作原理及系统结构,并详细论述了利用TMS320LF2407A芯片开发并联有源电力滤波器的设计方案,包括硬件和软件两部分。实验结果表明,所提出的设计方法正确有效,所开发的软件实用性强。
Shunt active power filter digital control system based on DSP
LI Xiaofan, GUO Xingzhong, REN Meichan
(Department of Electrical Engineering, Anhui University of Technology and Science, Wuhu 241000, China)
Abstract: Beacuse the conventional approaches for passive power filters design depend on experiences too much and they are lack of ability for optimization and the difficulty of APF designing, a shunt active power filter(SAPF) digital control system based on TMS320LF2407A was adopted based on instantaneous reactive power theory. The working theory and the system structure of active power filter were introduced in the first. And the designing strategy of how to use TMS320LF2407A researching SAPF, including hardware and software,was discussed. The experiment indicate that this approach is correct and efficiency and the digital control system is worth to generalizing.
Key words: active power filter (APF); harmonic compensation; digital signal processing (DSP); digital control
参考文献(Reference):
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[2]YANG Wankai. Precision detection of reactive current of higher harmonics and fundamental current based on instuntane reactive power theory[J]. Advanced Technology of Electrical Engineering and Energy,1998(2):14-17.
[3]AKAGI H, KANAZAWA Y, NABAE A. Generalized theory of the instantaneous reactive power in threephase circuits[C]. IEEE & JIEE Proceedings IPEC. Tokyo, IEEE,1983:1375-1386.
[4]王晓明.电动机的DSP控制[M].北京:北京航空航天大学出版社,2004.
[5]刘和平. TMS320LF240xDSP结构、原理及应用[M].北京:北京航空航天大学出版社,2002.
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