Effective transient stability assessment based on composite indices

This paper presents a new composite index to analyze power system transient stability. Contingency ranking in power system transient stability is a complicated and time consuming task. To prevail over this difficulty, various indices are used. These indices are based on the concept of coherency, tra...

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Main Authors: S.Jadid, S.Jalilzadeh
Format: Article
Language:English
Published: Iran University of Science and Technology 2005-04-01
Series:Iranian Journal of Electrical and Electronic Engineering
Subjects:
Online Access:http://ijeee.iust.ac.ir/browse.php?a_code=A-10-3-45&slc_lang=en&sid=1
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author S.Jadid
S.Jalilzadeh
author_facet S.Jadid
S.Jalilzadeh
author_sort S.Jadid
collection DOAJ
description This paper presents a new composite index to analyze power system transient stability. Contingency ranking in power system transient stability is a complicated and time consuming task. To prevail over this difficulty, various indices are used. These indices are based on the concept of coherency, transient energy conversion between kinetic and potential energy and three dot products of the system variables. It is well known that some indices work better than others for a particular power system. This paper along with test results using two practical 230 kV Sistan and 400 kV Khorasan power system in Iran, and 9 bus IEEE test system demonstrates that combination of indices provides better ranking than a single one. In this paper two composite indices ( CI ) is presented and compared. One composite index is based on Least Mean Square algorithm (LMS) and other based on summing indices by equal weights. Numerical simulations of the developed index, demonstrate that composite index is more effective than other indices.
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spelling doaj.art-8ca11b899eb349b28eb56035e7f8fb1b2022-12-21T18:54:49ZengIran University of Science and TechnologyIranian Journal of Electrical and Electronic Engineering1735-28272383-38902005-04-01127480Effective transient stability assessment based on composite indicesS.Jadid0S.Jalilzadeh1 This paper presents a new composite index to analyze power system transient stability. Contingency ranking in power system transient stability is a complicated and time consuming task. To prevail over this difficulty, various indices are used. These indices are based on the concept of coherency, transient energy conversion between kinetic and potential energy and three dot products of the system variables. It is well known that some indices work better than others for a particular power system. This paper along with test results using two practical 230 kV Sistan and 400 kV Khorasan power system in Iran, and 9 bus IEEE test system demonstrates that combination of indices provides better ranking than a single one. In this paper two composite indices ( CI ) is presented and compared. One composite index is based on Least Mean Square algorithm (LMS) and other based on summing indices by equal weights. Numerical simulations of the developed index, demonstrate that composite index is more effective than other indices.http://ijeee.iust.ac.ir/browse.php?a_code=A-10-3-45&slc_lang=en&sid=1composite index transient stability energy margin.
spellingShingle S.Jadid
S.Jalilzadeh
Effective transient stability assessment based on composite indices
Iranian Journal of Electrical and Electronic Engineering
composite index
transient stability
energy margin.
title Effective transient stability assessment based on composite indices
title_full Effective transient stability assessment based on composite indices
title_fullStr Effective transient stability assessment based on composite indices
title_full_unstemmed Effective transient stability assessment based on composite indices
title_short Effective transient stability assessment based on composite indices
title_sort effective transient stability assessment based on composite indices
topic composite index
transient stability
energy margin.
url http://ijeee.iust.ac.ir/browse.php?a_code=A-10-3-45&slc_lang=en&sid=1
work_keys_str_mv AT sjadid effectivetransientstabilityassessmentbasedoncompositeindices
AT sjalilzadeh effectivetransientstabilityassessmentbasedoncompositeindices