一种多准则综合的电压脆弱性评估方法

LIN Yuzhang

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一种多准则综合的电压脆弱性评估方法

更新时间：2025-08-13

- 一种多准则综合的电压脆弱性评估方法
- Automation of Electric Power Systems Vol. 38, Issue 23, Pages: 54-59(2014)
- 作者机构：
  
  电力系统国家重点实验室深圳研究室清华大学深圳研究生院,广东省,深圳市,518055
- 作者简介：
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- Published：2014
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LIN Yuzhang. [J]. Automation of electric power systems, 2014, 38(23): 54-59.
DOI：

LIN Yuzhang. [J]. Automation of electric power systems, 2014, 38(23): 54-59. DOI：

摘要

在现有的电力系统电压脆弱性评估方法中，存在单一指标难以反映全貌、基于权重的综合指标又过于主观的问题。文中根据已有的具有代表性的电压稳定指标，并结合节点重要性的信息，提出了基于超效率数据包络分析的多准则综合电压脆弱性评估方法以及相应的综合指标———相对电压脆弱性指标，用于辨识电网中的薄弱节点。在此基础上，还考虑了离群点的检验，以完善所提出的方法。最后，以江西电网作为算例进行了仿真分析，结果证明了所提出方法和指标的全面性、有效性和客观性。

Abstract

The existing assessment methods for voltage vulnerability in power systems suffer the drawback that it is difficult to present a full view while the weight-based integrated indices are too subjective.By referring to certain representative voltage stability indices and the information of bus significance，a multi-criteria integrated assessment for voltage vulnerability and the corresponding integrated index，namely，the relative voltage vulnerability index，are proposed based on data envelopment analysis.The examination of outliers is also taken into account to improve the proposed method.Finally，the power grid of Jiangxi Province is used for case study to demonstrate the comprehensiveness，effectiveness and objectivity of the proposed method and index.

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Related Institution

College of Electrical Engineering, Zhejiang University

State Grid Jibei Electric Power Research Institute (Flexible Resource-Network-Demand-Storage Co-operation and Control Laboratory)

Flexible Resource-Network-Demand-Storage Co-operation and Control Laboratory

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Key Laboratory of Modern Power System Simulation and Control & Renewable Energy Technology, Ministry of Education (Northeast Electric Power University)

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