有源滤波装置直流侧电压控制瞬时能量平衡建模

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摘要针对有源滤波装置直流侧电压进行更为有效控制的问题, 文中应用瞬时能量平衡建模法推导出了一种用于三相三线有源滤波装置(APF)的直流侧电压控制数学模型。基于推导的数学模型利用经典控制理论得到稳态模型框图。根据比例积分调节器的闭环控制模型和劳斯判据中系统稳定条件, 研究了系统的稳定性, 并详细讨论在闭环控制方式下比例积分调节器的比例系数K_P和积分系数K_I的选取原则。仿真和实验结果验证了文中提出的比例系数K_P和积分系数K_I的选取原则是切实可行的, 同时表明比例积分调节器闭环控制对于有源滤波装置直流侧电压控制具有较好的相对稳定性。

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	王立峰
	郑建勇
	梅军
	王培军

关键词 ：有源滤波装置, 瞬时能量平衡建模, 直流侧电压控制, 劳斯判据, 闭环控制

Abstract：In order to make more effective control of active power filter (APF), the DC side voltage control mathematical model in a three-phase three-wire APF is established by instantaneous energy equilibrium modeling in the paper. Steady model block-diagram is proposed based on the deduced mathematical model. According to closed-loop control model of PI controller and system steady condition of Routh-Criterion, stability of system is researched and the selection principle for K_P and K_I of PI controller with the closed-loop control is also discussed in detail. Computer simulations and experiments illustrate the selection principle for K_P and K_I is feasible, and show the closed-loop control of PI controller are proved to be effective for DC side voltage control of APF.

Key words： Active power filter instantaneous energy equilibrium modeling DC side voltage control routh-criterion closed-loop control

收稿日期: 2010-07-26 出版日期: 2014-03-19

PACS:

TM464

基金资助:国家863计划资助项目(2008AA052421)。

作者简介: 王立峰男, 1982年生, 博士研究生, 主要研究方向为电能质量分析、无功补偿和谐波补偿。郑建勇男, 1966年生, 教授, 博士生导师, 主要研究方向为电力电子装置研制, 新能源技术。

引用本文:

王立峰, 郑建勇, 梅军, 王培军. 有源滤波装置直流侧电压控制瞬时能量平衡建模[J]. 电工技术学报, 2012, 27(2): 229-234. Wang Lifeng, Zheng Jianyong, Mei Jun, Wang Peijun. Instantaneous Energy Equilibrium Modeling of DC Side Voltage Control for Active Power Filter Device. Transactions of China Electrotechnical Society, 2012, 27(2): 229-234.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2012/V27/I2/229

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