基于潮流路径末端识别的解列面调整策略

胥威汀; 刘俊勇; 刘友波; 龚薇; 李勇; 许立雄

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DOI:10.15961/j.jsuese.2013.02.032

工程科学与技术:2013,45(2):122-129

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基于潮流路径末端识别的解列面调整策略

胥威汀^1,2, 刘俊勇^1,2, 刘友波^1,2, 龚薇^1,2, 李勇^1,2, 许立雄^1,2

(1.四川大学电气信息学院;2.四川省智能电网重点实验室)

Controlled Islanding Based on the Recognition of the Path End of Power Flow

Xu Weiting^1,2, Liu Junyong^1,2, Liu Youbo^1,2, Gong Wei^1,2, Li Yong^1,2, Xu Lixiong^1,2

(1.School of Electrical Eng. and Info. Sichuan Univ.;2.ProvincialLevel Key Lab. of Smart Grid)

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本文已被：浏览 3112次下载 38次
投稿时间：2012-09-05 修订日期：2012-11-21

中文摘要: 针对解列面附近节点在解列之后出现的电压偏低，导致系统静态安全遭到破坏的问题，提出一种基于潮流路径末端识别的解列面调整策略。传统主动解列研究仅关注发电机同调性和孤网有功平衡，并未对节点电压导致的系统安全问题做针对性研究。与传统研究不同，作者在其基础上还考虑了节点电压导致的系统安全问题：一方面，通过理论推导证明该问题的根源在于解列后孤网的网络结构不合理，并总结出系统结构性变化对节点电压的影响及其规律；另一方面，结合该规律，提出了一种以潮流路径末端开断为原则的方法来调整解列面。算例结果表明：相比无功补偿方法和传统解列方法,所提出方法能够更大程度地改善解列后孤网的节点电压情况，从而提高解列后系统的静态安全性。

中文关键词: 电力系统节点电压潮流路径主动解列聚类算法

Abstract:A controlled islanding method based on the recognition of the end of power flow path was proposed to solve the roblem of system insecurity caused by low voltage of system buses which are near the system partition surface. In addition, the problem caused by bus voltage was considered. The inappropriate network structure was demonstrated that it is the root of poor condition of bus voltage, and the relationship of structure change and bus voltage stability was summarized. On the other hand, to solve the bus voltage problem, an improved method with the principle of breaking path end of power flow was proposed. The result showed that, the proposed method performs better than reactive power compensation or traditional methods in improving the bus voltage condition after controlled islanding. In this way, static security of isolated power system can be promoted.

keywords: power system bus voltage flow path controlled islanding clustering algorithm

文章编号：201200675 中图分类号： 文献标志码：

基金项目:国家自然科学基金资助项目(50977059；51207098）；四川省产业发展重大关键技术资助项目(2011GZ0225)

作者	单位
胥威汀	四川大学电气信息学院；四川省智能电网重点实验室
刘俊勇	四川大学电气信息学院；四川省智能电网重点实验室
刘友波	四川大学电气信息学院；四川省智能电网重点实验室
龚薇	四川大学电气信息学院；四川省智能电网重点实验室
李勇	四川大学电气信息学院；四川省智能电网重点实验室
许立雄	四川大学电气信息学院；四川省智能电网重点实验室

Author Name	Affiliation
Xu Weiting	School of Electrical Eng. and Info. Sichuan Univ. Provincial Level Key Lab. of Smart Grid
Liu Junyong	School of Electrical Eng. and Info. Sichuan Univ. Provincial Level Key Lab. of Smart Grid
Liu Youbo	School of Electrical Eng. and Info. Sichuan Univ. Provincial Level Key Lab. of Smart Grid
Gong Wei	School of Electrical Eng. and Info. Sichuan Univ. Provincial Level Key Lab. of Smart Grid
Li Yong	School of Electrical Eng. and Info. Sichuan Univ. Provincial Level Key Lab. of Smart Grid
Xu Lixiong	School of Electrical Eng. and Info. Sichuan Univ. Provincial Level Key Lab. of Smart Grid

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引用文本：
胥威汀,刘俊勇,刘友波,龚薇,李勇,许立雄.基于潮流路径末端识别的解列面调整策略[J].工程科学与技术,2013,45(2):122-129.
Xu Weiting,Liu Junyong,Liu Youbo,Gong Wei,Li Yong,Xu Lixiong.Controlled Islanding Based on the Recognition of the Path End of Power Flow[J].Advanced Engineering Sciences,2013,45(2):122-129.