Wide-area Monitoring and Analysis of Subsynchronous Oscillation in Power Systems With High-penetration of Wind Power

被引：0
|
作者：
Ma N. [1 ]
Xie X. [1 ]
Kang P. [2 ]
Zhang F. [2 ]
机构：
[1] State Key Lab of Control and Simulation of Power Systems and Generation Equipment, Department of Electrical Engineering, Tsinghua University, Haidian District, Beijing
[2] State Grid Xinjiang Electric Power Company, Urumchi
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2021年 / 41卷 / 01期
关键词：
Early warning; Oscillation source-identifying; Stability criterion; Subsynchronous oscillation; Subsynchronous phasor measurement unit; Wide-area measurement system;
D O I：
10.13334/j.0258-8013.pcsee.200463
中图分类号：
学科分类号：
摘要：
In modern power grids, since large-scale grid connection of renewables is based on power electronic interface, the subsynchronous oscillation resulting from the interaction between power electronics and power grid becomes increasingly prominent. The wide-area monitoring system can obtain real-time data of sub-synchronous oscillations, which provides an important means for online analysis and early warning of sub-synchronous oscillations. In this paper, the basic framework of the subsynchronous wide-area monitoring system (SWAMS) was proposed to measure and analysis the subsynchronous oscillation. SWAMS was mainly composed of subsynchronous phasor measurement units (SPMU) and the subsynchronous oscillation analyzing center. Further, based on the combination of real-time monitoring data and aggregate impedance model, the stability evaluation methods and oscillation source-identifying were proposed. It can quickly and accurately realize online monitoring and early warning of subsynchronous oscillations. The effectiveness of SWAMS was verified by the simulation data collected from the electromagnetic transient simulation of a practical power grid of China. © 2021 Chin. Soc. for Elec. Eng.
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页码：65 / 74
页数：9
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