Application of PMU-based grid equivalent model in operation reliability evaluation of interconnected power grid

被引：0
|
作者：
Zhang D. [1 ]
Lian S. [2 ]
Tao W. [1 ]
Fang C. [3 ]
Liu J. [3 ]
机构：
[1] School of Electrical and Automation Engineering, Hefei University of Technology, Hefei
[2] China Shipbuilding Industry Corporation 713 Institute, Zhengzhou
[3] Electric Power Research Institute, State Grid Shanghai Municipal Electric Power Company, Shanghai
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2019年 / 47卷 / 15期
关键词：
Interconnected power grid; PMU monitoring; Reliability assessment; Static equivalent; Static equivalent parameter update;
D O I：
10.19783/j.cnki.pspc.181018
中图分类号：
学科分类号：
摘要：
The interconnected power grid has developed rapidly and gradually formed a whole. How to accurately evaluate the reliability of a certain area of the grid under the interconnection of information in the case of information isolation is a difficult problem for the safe operation of the interconnected power grid. In response to this problem, this paper proposes a reliability assessment method for interconnected grid regional grid operation based on PMU monitoring. The method uses the boundary PMU measurement data to estimate the external network static equivalence model to simplify the interconnected power grid, and adopts the interconnected grid asynchronous iterative method to update the external network static model equivalent parameters to ensure the accuracy of the reliability calculation results. The results of the example based on the IEEE-RTS-96 node system show that the proposed method can quickly and accurately calculate the reliability index of the interconnected power subsystem without relying on the actual topology information of the interconnected power grids. © 2019, Power System Protection and Control Press. All right reserved.
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页码：40 / 47
页数：7
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