Grid side damping control technologies of low frequency oscillation of ultra high voltage transmission systems for large-scale energy bases

被引：0
|
作者：
Dong H. [1 ]
Xu Z. [1 ]
Huang H. [2 ]
Gao L. [3 ]
机构：
[1] Department of Electrical Engineering, Zhejiang University, Hangzhou
[2] Electric Power Research Institute, State Grid Zhejiang Electric Power Company, Hangzhou
[3] China Electrical Power Research Institute, Beijing
来源：
Dong, Huanfeng | 1600年 / Science Press卷 / 42期
关键词：
FACTS; Grid-side control; Large-scale energy bases; Low frequency oscillation; Robust auxiliary damping controller; Ultrahigh voltage transmission;
D O I：
10.13336/j.1003-6520.hve.2016.02.031
中图分类号：
学科分类号：
摘要：
The distribution of energy resources and load centers in China results in the trend of intensive and high efficiency exploitation of large-scale energy bases. Taking the transmission system for Xilinguole League Base in planning for an example, we propose some main factors to restrict the transfer capacity as well as some grid side damping control technology of low frequency oscillation. These control technologies are based on FACTS devices, which include two parts of transient stability and small signal stability, respectively. A generic auxiliary damping controller for FACTS devices is also proposed, in which the extended residue ratio index is used to choose a robust input signal and the test signal method is used to identify system modes and tune parameters. The maximum gain method is used to solve the impair of grid-side auxiliary controller on machine-side oscillatory modes, so as to coordinate the machine-grid control. Based on the proposed grid-side control technologies, three independent control schemes using static var compensator (SVC), thyristor controlled series compensation (TCSC), and static synchronous compensator (STATCOM), respectively, are proposed. According to further numerical simulations, all three schemes can assure that the transfer capacity and damping ratio of Xilinguole League transmission system fulfill the planned requirements under N-1 fault mode. © 2016, High Voltage Engineering Editorial Department of CEPRI. All right reserved.
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页码：571 / 580
页数：9
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