Research on Coordinated Multi-objective Reactive Voltage Control System Based on New Type Synchronous Condenser

被引：0

作者：

Li K. ^{[1
]}

Shao D. ^{[1
]}

Xu Y. ^{[1
]}

Shen X. ^{[2
]}

Sun H. ^{[3
]}

Zhang W. ^{[3
]}

机构：

[1] Central China Branch of State Grid Corporation, Wuhan, 430077, Hubei Province

[2] China Electric Power Research Institute, Haidian District, Beijing

[3] Hubei Electric Power Security and High Efficiency Key Laboratory, Huazhong University of Science and Technology, Wuhan, 430074, Hubei Province

来源：

Dianwang Jishu/Power System Technology | 2019年 / 43卷 / 08期

关键词：

Coordinated control; Power system protection; Reactive voltage; Synchronous condenser; UHVDC transmission;

D O I：

10.13335/j.1000-3673.pst.2018.1626

中图分类号：

学科分类号：

摘要：

With rapid development of UHV transmission and continuous increase of AC/DC transmission capacity, trans-regional AC/DC transmission is further strengthened. Voltage stability problem is outstanding in UHVDC receiving-end system, especially in the system lacking dynamic reactive power supply and voltage support. Therefore, a new type of high-capacity condenser is widely applied as "strong reactive power support" for high-capacity DC transmission system. Aiming at the voltage stability problem in UHVDC receiving-end power grid, taking Hunan province power grid of Qilian-Shaoshan DC system's receiving-end as an example, together with Shaoshan synchronous condenser project and protective system construction of Central China power grid, the paper builds a coordinated multi-objective reactive voltage control system to make full use of the reactive power resources of synchronous condensers, LV capacitors and reactors, and generators. The coordinated voltage control system takes reactive power and voltage control into the category of power grid stability control. At different time scales, the control system realizes fast condenser response and coordinated voltage control reaction in transient process and coordinated multi-target reactive power and voltage control reaction in steady state. The control system effectively improves UHVDC transmission capability and safety and stability level of the receiving-end power grid, and also makes the effect of the new type of condenser fully used. © 2019, Power System Technology Press. All right reserved.

引用

页码：2961 / 2967

页数：6

共 16 条

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