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Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices

This study examines a new approach to selecting the locations of unified power flow controllers (UPFCs) in power system networks based on a dynamic analysis of voltage stability. Power system voltage stability indices (VSIs) including the line stability index (LQP), the voltage collapse proximity in...

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Main Authors:	Albatsh, F.M., Ahmad, S., Mekhilef, Saad, Mokhlis, H., Hassan, M.A.
Format:	Article
Language:	English
Published:	Public Library of Science 2015
Subjects:	T Technology (General) TJ Mechanical engineering and machinery TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://eprints.um.edu.my/15728/1/Optimal_Placement_of_Unified_Power_Flow_Controllers_to_Improve_Dynamic_Voltage_.pdf http://eprints.um.edu.my/15728/ http://www.ncbi.nlm.nih.gov/pubmed/25874560
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spelling	my.um.eprints.157282019-10-10T02:39:28Z http://eprints.um.edu.my/15728/ Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices Albatsh, F.M. Ahmad, S. Mekhilef, Saad Mokhlis, H. Hassan, M.A. T Technology (General) TJ Mechanical engineering and machinery TK Electrical engineering. Electronics Nuclear engineering This study examines a new approach to selecting the locations of unified power flow controllers (UPFCs) in power system networks based on a dynamic analysis of voltage stability. Power system voltage stability indices (VSIs) including the line stability index (LQP), the voltage collapse proximity indicator (VCPI), and the line stability index (L-mn) are employed to identify the most suitable locations in the system for UPFCs. In this study, the locations of the UPFCs are identified by dynamically varying the loads across all of the load buses to represent actual power system conditions. Simulations were conducted in a power system computer-aided design (PSCAD) software using the IEEE 14-bus and 39-bus benchmark power system models. The simulation results demonstrate the effectiveness of the proposed method. When the UPFCs are placed in the locations obtained with the new approach, the voltage stability improves. A comparison of the steady-state VSIs resulting from the UPFCs placed in the locations obtained with the new approach and with particle swarm optimization (PSO) and differential evolution (DE), which are static methods, is presented. In all cases, the UPFC locations given by the proposed approach result in better voltage stability than those obtained with the other approaches. Public Library of Science 2015-04 Article PeerReviewed application/pdf en http://eprints.um.edu.my/15728/1/Optimal_Placement_of_Unified_Power_Flow_Controllers_to_Improve_Dynamic_Voltage_.pdf Albatsh, F.M. and Ahmad, S. and Mekhilef, Saad and Mokhlis, H. and Hassan, M.A. (2015) Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices. PLoS ONE, 10 (4). p. 32. ISSN 1932-6203 http://www.ncbi.nlm.nih.gov/pubmed/25874560 10.1371/journal.pone.0123802
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
language	English
topic	T Technology (General) TJ Mechanical engineering and machinery TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	T Technology (General) TJ Mechanical engineering and machinery TK Electrical engineering. Electronics Nuclear engineering Albatsh, F.M. Ahmad, S. Mekhilef, Saad Mokhlis, H. Hassan, M.A. Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices
description	This study examines a new approach to selecting the locations of unified power flow controllers (UPFCs) in power system networks based on a dynamic analysis of voltage stability. Power system voltage stability indices (VSIs) including the line stability index (LQP), the voltage collapse proximity indicator (VCPI), and the line stability index (L-mn) are employed to identify the most suitable locations in the system for UPFCs. In this study, the locations of the UPFCs are identified by dynamically varying the loads across all of the load buses to represent actual power system conditions. Simulations were conducted in a power system computer-aided design (PSCAD) software using the IEEE 14-bus and 39-bus benchmark power system models. The simulation results demonstrate the effectiveness of the proposed method. When the UPFCs are placed in the locations obtained with the new approach, the voltage stability improves. A comparison of the steady-state VSIs resulting from the UPFCs placed in the locations obtained with the new approach and with particle swarm optimization (PSO) and differential evolution (DE), which are static methods, is presented. In all cases, the UPFC locations given by the proposed approach result in better voltage stability than those obtained with the other approaches.
format	Article
author	Albatsh, F.M. Ahmad, S. Mekhilef, Saad Mokhlis, H. Hassan, M.A.
author_facet	Albatsh, F.M. Ahmad, S. Mekhilef, Saad Mokhlis, H. Hassan, M.A.
author_sort	Albatsh, F.M.
title	Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices
title_short	Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices
title_full	Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices
title_fullStr	Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices
title_full_unstemmed	Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices
title_sort	optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices
publisher	Public Library of Science
publishDate	2015
url	http://eprints.um.edu.my/15728/1/Optimal_Placement_of_Unified_Power_Flow_Controllers_to_Improve_Dynamic_Voltage_.pdf http://eprints.um.edu.my/15728/ http://www.ncbi.nlm.nih.gov/pubmed/25874560
_version_	1648736137723772928
score	13.211869

Optimal placement of unified power flow controllers to improve dynamic voltage stability using power system variable based voltage stability indices

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