Voltage Collapse Prediction of IEEE 30-Bus system

Voltage collapse in the power system occurs as a result of voltage instability, thus which lead to a blackout, and this is a constant concern for network workers and customers alike. In this paper, voltage collapse is studied using two approved methods: the modal analysis method and voltage stabilit...

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Main Authors: Mohammed H. Ibrahim, Abdulsattar H. Jasim
Format: Article
Language:English
Published: Tikrit University 2021-05-01
Series:Tikrit Journal of Engineering Sciences
Subjects:
Online Access:https://tj-es.com/ojs/index.php/tjes/article/view/182
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author Mohammed H. Ibrahim
Abdulsattar H. Jasim
author_facet Mohammed H. Ibrahim
Abdulsattar H. Jasim
author_sort Mohammed H. Ibrahim
collection DOAJ
description Voltage collapse in the power system occurs as a result of voltage instability, thus which lead to a blackout, and this is a constant concern for network workers and customers alike. In this paper, voltage collapse is studied using two approved methods: the modal analysis method and voltage stability indices. In the modal analysis method, the eigenvalues were calculated for all the load buses, through which it is possible to know the stability of the power system, The participation factor was also calculated for the load buses, which enables us to know the weakest buses in the system. As for the Voltage stability Indices method, two important indices were calculated, which are: Fast Voltage Stability Index (FVSI) and Line stability index (Lmn). These two indices give a good visualization of the stability of the system and the knowledge of the weakest buses, as well as the Maximum load-ability of the load buses. The above mentioned two methods were applied using software code using MATLAB \ R2018a program to the IEEE 30-Bus test system. In the modal analysis, the buses which have the maximum participation factor are 26, 29, and 30 this indicates that they are the weakest in the system. as well as in the voltage stability indices. These buses have the lowest maximum load ability which demonstrates the possibility of using both methods or one of them to study the voltage collapse.
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spelling doaj.art-c1138ff117564a7f8544e86f5402c39f2023-09-06T02:22:05ZengTikrit UniversityTikrit Journal of Engineering Sciences1813-162X2312-75892021-05-01281Voltage Collapse Prediction of IEEE 30-Bus systemMohammed H. Ibrahim0Abdulsattar H. Jasim1Electrical Eng. Dept., Engineering College,Tikrit University ,Tikrit, IraqElectrical Eng. Dept., Engineering College,Tikrit University,Tikrit, IraqVoltage collapse in the power system occurs as a result of voltage instability, thus which lead to a blackout, and this is a constant concern for network workers and customers alike. In this paper, voltage collapse is studied using two approved methods: the modal analysis method and voltage stability indices. In the modal analysis method, the eigenvalues were calculated for all the load buses, through which it is possible to know the stability of the power system, The participation factor was also calculated for the load buses, which enables us to know the weakest buses in the system. As for the Voltage stability Indices method, two important indices were calculated, which are: Fast Voltage Stability Index (FVSI) and Line stability index (Lmn). These two indices give a good visualization of the stability of the system and the knowledge of the weakest buses, as well as the Maximum load-ability of the load buses. The above mentioned two methods were applied using software code using MATLAB \ R2018a program to the IEEE 30-Bus test system. In the modal analysis, the buses which have the maximum participation factor are 26, 29, and 30 this indicates that they are the weakest in the system. as well as in the voltage stability indices. These buses have the lowest maximum load ability which demonstrates the possibility of using both methods or one of them to study the voltage collapse. https://tj-es.com/ojs/index.php/tjes/article/view/182Voltage CollapseModal AnalysisVoltage Stability IndicesLmnFVSIParticipation Factor
spellingShingle Mohammed H. Ibrahim
Abdulsattar H. Jasim
Voltage Collapse Prediction of IEEE 30-Bus system
Tikrit Journal of Engineering Sciences
Voltage Collapse
Modal Analysis
Voltage Stability Indices
Lmn
FVSI
Participation Factor
title Voltage Collapse Prediction of IEEE 30-Bus system
title_full Voltage Collapse Prediction of IEEE 30-Bus system
title_fullStr Voltage Collapse Prediction of IEEE 30-Bus system
title_full_unstemmed Voltage Collapse Prediction of IEEE 30-Bus system
title_short Voltage Collapse Prediction of IEEE 30-Bus system
title_sort voltage collapse prediction of ieee 30 bus system
topic Voltage Collapse
Modal Analysis
Voltage Stability Indices
Lmn
FVSI
Participation Factor
url https://tj-es.com/ojs/index.php/tjes/article/view/182
work_keys_str_mv AT mohammedhibrahim voltagecollapsepredictionofieee30bussystem
AT abdulsattarhjasim voltagecollapsepredictionofieee30bussystem