DSTATCOM交直流控制回路交互影响分析

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摘要针对D-FACTS装置不同控制回路间可能存在的交互影响,以配电网静止同步补偿器(DSTATCOM)?为例,建立其交直流控制回路的数学模型。引入相对增益矩阵（RGA）的方法对其交直流控制回路之间存在的静态交互影响进行定量的分析,研究了负载等因素与DSTATCOM交直流控制回路之间耦合作用的关联机理。并针对某些时变负荷提出了变功率因数策略以避免补偿装置交直流控制回路之间存在的负交互影响。仿真结果验证了本文提出的以RGA方法分析DSTATCOM交直流控制回路交互影响的有效性和变功率因数策略的可行性。

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	贾东强
	韦统振
	霍群海

关键词 ： RGA方法, DSTATCOM, 交互影响, 数学模型, 变功率因数策略

Abstract：As the negative interaction may exist between several different control loops of D-FACTS system, taking DSTATCOM as an example, the paper establishes the mathematic model of DSTATCOM with ac and dc control, analyzes static-state interaction between two control loops with the RGA approach, then the effect of the load and power factor which could be relevant to the interaction above has also been discussed, finally the paper presents variable power-factor reference method to prevent the interaction. The simulation results validate the effectiveness of RGA approach and feasibility of variable power-factor reference method.

Key words： RGA approach DSTATCOM interaction mathematic model variable power-factor

收稿日期: 2013-10-11 出版日期: 2014-05-22

PACS:

TM76

基金资助:国家自然科学基金资助项目（51107134, 51307158）

作者简介: 贾东强男, 1986年生, 博士研究生, 从事DFACTS装置方面的研究。霍群海男, 1981年生, 通讯作者, 博士, 助理研究员, 主要从事电能质量控制及DFACTS装置研究。

引用本文:

贾东强, 韦统振, 霍群海. DSTATCOM交直流控制回路交互影响分析[J]. 电工技术学报, 2013, 28(2增): 324-330. Jia Dongqiang, Wei Tongzhen, Huo Qunhai. The Interaction Analysis Between AC and DC Control Loop of DSTATCOM. Transactions of China Electrotechnical Society, 2013, 28(2增): 324-330.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2013/V28/I2增/324

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