Reactive power compensation method in modern power system facing energy conversion

被引：0
|
作者：
Hu, Zhen [1 ]
Wang, Ding [1 ]
Shen, Yangwu [1 ]
机构：
[1] State Grid Hunan Elect Power Co Ltd, Ctr Power Gtid Technol, Res Inst, Changsha, Hunan, Peoples R China
来源：
IET GENERATION TRANSMISSION & DISTRIBUTION | 2022年 / 16卷 / 08期
关键词：
STABILITY;
D O I：
10.1049/gtd2.12374
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：
The equivalent model of modern power system is more and more difficult to describe its complex stability characteristics, with the continuous promotion of power conversion. This paper proposes an improved equivalent method to consider the voltage deviation between the system side and the load side. On this basis, the voltage stability margin index is derived. Therefore, the relationship between voltage stability margin and reactive power compensation can be analyzed. Finally, the correctness and effectiveness of the method are verified by IEEE39 node system and actual provincial grid. The proposed method can obviously improve the voltage stability margin when applied to the small summer mode of the actual system. (The stability margin of the weakest node increased by 12.8%, and the average stability margin of the whole network increased by 1.5%.)
引用
收藏
页码：1582 / 1591
页数：10
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