Optimal PMU Placement Considering Controlled Islanding of Power System

被引:123
作者
Huang, Lei [1 ]
Sun, Yuanzhang [1 ]
Xu, Jian [1 ]
Gao, Wenzhong [2 ]
Zhang, Jun [2 ]
Wu, Ziping [2 ]
机构
[1] Wuhan Univ, Sch Elect Engn, Wuhan 430072, Hubei, Peoples R China
[2] Univ Denver, Dept Elect & Comp Engn, Denver, CO 80210 USA
基金
中国国家自然科学基金; 美国国家科学基金会;
关键词
Controlled islanding; integer linear programming; measurement redundancy; optimal phasor measurement unit (PMU) placement; state estimation; OBSERVABILITY; FORMULATION; ALGORITHM;
D O I
10.1109/TPWRS.2013.2285578
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper proposes an optimal phasor measurement unit (PMU) placement model considering power system controlled islanding so that the power network remains observable under controlled islanding condition as well as normal operation condition. The optimization objectives of proposed model are to minimize the number of installed PMUs and to maximize the measurement redundancy. These two objectives are combined together with a weighting variable so that the optimal solution with minimum PMU number and maximum measurement redundancy would be obtained from the model. To reduce the number of required PMUs, the effect of zero-injection bus is considered and incorporated into the model. Furthermore, additional constraints for maintaining observability following single PMU failure or line loss are also derived. At last, several IEEE standard systems and the Polish 2383-bus system are employed to test the presented model. Results are presented to demonstrate the effectiveness of the proposed method.
引用
收藏
页码:742 / 755
页数:14
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