A multi-criteria integrated method for voltage vulnerability assessment

Yuzhang Lin; Libao Shi; Liangzhong Yao; Yixin Ni; Bazargan Masoud

doi:10.7500/AEPS20130609008

A multi-criteria integrated method for voltage vulnerability assessment

Yuzhang Lin, Libao Shi, Liangzhong Yao, Yixin Ni, Bazargan Masoud

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

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.

Original language	English (US)
Pages (from-to)	54-59
Number of pages	6
Journal	Dianli Xitong Zidonghua/Automation of Electric Power Systems
Volume	38
Issue number	23
DOIs	https://doi.org/10.7500/AEPS20130609008
State	Published - Dec 10 2014

Keywords

Data envelopment analysis
Outliers
Voltage stability
Vulnerability assessment
Weak node

ASJC Scopus subject areas

Control and Systems Engineering
Energy Engineering and Power Technology
Computer Science Applications
Electrical and Electronic Engineering

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10.7500/AEPS20130609008

Cite this

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title = "A multi-criteria integrated method for voltage vulnerability assessment",

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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T1 - A multi-criteria integrated method for voltage vulnerability assessment

AU - Lin, Yuzhang

AU - Shi, Libao

AU - Yao, Liangzhong

AU - Ni, Yixin

AU - Masoud, Bazargan

N1 - Publisher Copyright: ©, 2014 State Grid Electric Power Research Institute Press.

PY - 2014/12/10

Y1 - 2014/12/10

N2 - 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.

AB - 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.

KW - Data envelopment analysis

KW - Outliers

KW - Voltage stability

KW - Vulnerability assessment

KW - Weak node

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A multi-criteria integrated method for voltage vulnerability assessment

Abstract

Keywords

ASJC Scopus subject areas

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