Research of AC/DC power system voltage stability margin based on singular value decomposition and interior-point method

被引：0
|
作者：
Wang, Lin-Chuan [1 ]
Yu, Feng-Zhen [1 ]
Sun, Ji-Pu [2 ]
Cui, Yi-Zhi [3 ]
Chang, Qing-Song [4 ]
Yu, Yang [5 ]
机构：
[1] School of Electrical Engineering, Northeast Dianli University, Jilin 132012, China
[2] Dalian Power Supply Company, Dalian 116000, China
[3] Changchun Ultra-HV Transmission, Changchun 130000, China
[4] Huaneng Jiutai Power Station, Jiutai 130500, China
[5] Dalian Power Prospect and Design Bureau, Dalian 116000, China
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2011年 / 39卷 / 20期
关键词：
Jacobian matrices - Reactive power - Electric power system stability;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Based on singular value decomposition and primal-dual interior method, a new method to obtain static voltage stability margin of AC/DC power systems is proposed. Taking into consideration the control equations and network equations of DC system, the instability points and sensitivity indicators are calculated based on Jacobi matrix and its left/right eigenvectors. Then system stability margin is analysed based on primal-dual interior-point algorithm and reactive power compensation is executed on the weak nodes to improve the overall stability margin. The simulation results of IEEE-30 show the effectiveness of the strategy.
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页码：89 / 92
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