间谐波环境下并联有源电力滤波器系统设计

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摘要针对电网环境中含有间谐波的复杂情况,以三电平并联有源电力小滤波器（SAPF）为研究对象,建立三电平SAPF数学模型。采用CPT原理检测间谐波环境下电网基波分量,从而准确测量电网谐波含量。将间谐波、APF参数波动和死区效应等考虑为控制器非周期干扰,利用等价输入干扰原理对传统重复控制器加以改进,提高控制系统控制性能,消除非周期干扰对控制器的影响。在Matlab和三电平试验平台上,建立SAPF控制系统,仿真及实验验证所设计系统可以准确检测间谐波环境下电网谐波含量,并对电网谐波、间谐波进行补偿。

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	张超
	马小平
	张义君
	任子晖

关键词 ：间谐波, CPT检测, 等价输入干扰, 重复控制

Abstract：Given the complex situations of the grid with inter-harmonics, three-level model of shunt active power filter (SAPF) was built. For the harmonics accurate detection, the conservative power theory (CPT) principle was used to detect the fundamental component of the grid. The inter-harmonics, parameter fluctuation of APF and the deadband effect were considered as the non-periodic disturbance to the controller. To eliminate the non-periodic disturbance impact on the controller and to improve the control system performance, equivalent input-disturbance (EID) was used based on the traditional repetitive controller. With Matlab and three-level test platform, the SAPF control system was built. The performance of detection and compensation for harmonic and inter-harmonic was verified by the simulation and experiment.

Key words： Inter-harmonic conservative power theory (CPT) equivalent input-disturbance(EID) repetive control

收稿日期: 2014-02-11 出版日期: 2015-10-30

PACS:

TM921

基金资助:江苏省普通高校研究生科研创新计划资助项目（CXZZ13_0931）

通讯作者: 张超男,1987年生,博士,研究方向为电能质量、智能控制。

作者简介: 马小平男,1961年生,教授,博士生导师,研究方向为控制理论及应用,网络控制,计算机技术及应用。

引用本文:

张超,马小平,张义君,任子晖. 间谐波环境下并联有源电力滤波器系统设计[J]. 电工技术学报, 2015, 30(20): 118-127. Zhang Chao, Ma Xiaoping, Zhang Yijun, Ren Zihui. System Design of Shunt Active Power Filter for Inter-Harmonics. Transactions of China Electrotechnical Society, 2015, 30(20): 118-127.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2015/V30/I20/118

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