基于时间差定位法的电力系统扰动源定位

doi:10.11930/j.issn.1004-9649.201806117

中国电力 ›› 2019, Vol. 52 ›› Issue (12): 62-70.DOI: 10.11930/j.issn.1004-9649.201806117

基于时间差定位法的电力系统扰动源定位

魏蒙希, 马宁宁, 王德林, 邓伟, 康积涛

西南交通大学电气工程学院, 四川成都 610031

收稿日期:2018-06-29 修回日期:2019-04-16 发布日期:2019-12-05
通讯作者: 马宁宁(1987-),男,通信作者,博士,从事电力系统频率动态、扰动传播、风力发电研究,E-mail:mnsdxt@163.com
作者简介:魏蒙希(1993-),女,硕士研究生,从事风力发电和电力系统频率稳定研究,E-mail:weixiswjtu@163.com;王德林(1970-),男,博士,副教授,从事连续体建模、机电波传播和风电调频研究,E-mail:dlwang@swjtu.cn
基金资助:
国家自然科学基金资助项目（51477143）。

Disturbance Source Location in Power Systems Based on Time Difference of Arrival

WEI Mengxi, MA Ningning, WANG Delin, DENG Wei, KANG Jitao

School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China

Received:2018-06-29 Revised:2019-04-16 Published:2019-12-05
Supported by:
This work is supported by the National Natural Science Foundation of China (No.51477143).

摘要/Abstract

摘要： 在大规模互联电网中系统频率动态具有时空分布特性，且传播速度远低于光速。借助电网频率动态的传播特性及不同节点处频率响应的时间差对电网的扰动源进行定位，首先利用Floyd算法计算各节点之间的最短传播路径，根据传播路径的物理参数确定传播速度，然后借助时间差定位法（TDOA）对电网的扰动源进行定位，最后将所提方法应用于3机9节点系统和某实际电网，分析结果表明该方法能够有效地对电网的扰动源进行定位。

关键词: 频率动态, 传播特性, 时间差定位法, Floyd算法, 扰动源定位

Abstract: The system frequency dynamics in large-scale interconnected power grids are characterized by spatial-temporal distribution, and its propagation speed is far less than the light speed. In this paper, the propagation characteristics of dynamic frequency and the response time difference at different locations are used to locate the disturbance sources. Firstly, the Floyd algorithm is used to calculate the shortest propagation path between different locations, and the propagation speed is determined according to the physical parameters of the power grid. And then, the time difference of arrival (TDOA) location method is used to locate the disturbance sources. Finally, the proposed method is applied to the 3-machine 9-bus system and the actual power grid system. The analysis results show that the proposed method can effectively locate the disturbance sources in the power grid.

Key words: frequency dynamic, propagation characteristics, TDOA method, Floyd algorithm, disturbance source location

中图分类号:

TM715

魏蒙希, 马宁宁, 王德林, 邓伟, 康积涛. 基于时间差定位法的电力系统扰动源定位[J]. 中国电力, 2019, 52(12): 62-70.

WEI Mengxi, MA Ningning, WANG Delin, DENG Wei, KANG Jitao. Disturbance Source Location in Power Systems Based on Time Difference of Arrival[J]. Electric Power, 2019, 52(12): 62-70.

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https://www.electricpower.com.cn/CN/Y2019/V52/I12/62

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基于时间差定位法的电力系统扰动源定位

Disturbance Source Location in Power Systems Based on Time Difference of Arrival

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基于时间差定位法的电力系统扰动源定位

Disturbance Source Location in Power Systems Based on Time Difference of Arrival

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