Online location determination of switched capacitor bank in distribution system

This report describes new approaches for the determination of the direction of switched capacitor banks. It is an efficient technique for estimating the distance of switched capacitors from the monitoring location in distribution systems. At first, new indices based on branch voltage and current cha...

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Main Author:	Al-Ani, Ahmed Jamal Noori
Format:	Thesis
Language:	English
Published:	2013
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/41924/5/AhmedJamalNooriMFKE2013.pdf
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id	my-utm-ep.41924
record_format	uketd_dc
spelling	my-utm-ep.419242017-07-11T01:45:54Z Online location determination of switched capacitor bank in distribution system 2013-06 Al-Ani, Ahmed Jamal Noori TK Electrical engineering. Electronics Nuclear engineering This report describes new approaches for the determination of the direction of switched capacitor banks. It is an efficient technique for estimating the distance of switched capacitors from the monitoring location in distribution systems. At first, new indices based on branch voltage and current changes immediately after the capacitor switching instant are proposed for determining the direction of switched capacitor banks. The wavelet transform is used to detect the exact instant of switching. Mathematical analysis of a capacitor bank energizing proves that, the energized capacitor bank affects only the upstream reactive power flow and, the energizing instant, the gradients, time derivatives of voltage and current waveforms measured upstream from the capacitor location will have opposite signs bank by simply evaluating power factor changes and the signs of voltage and current waveform gradients at the switching instant. Simulation results show that the error of the estimated distance is acceptable. Signatures of shunt capacitor bank switching transient phenomena from which one can accurately determine the relative location of an energized capacitor bank whether it is upstream or downstream from the monitoring location. 2013-06 Thesis http://eprints.utm.my/id/eprint/41924/ http://eprints.utm.my/id/eprint/41924/5/AhmedJamalNooriMFKE2013.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty of Electrical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TK Electrical engineering Electronics Nuclear engineering
spellingShingle	TK Electrical engineering Electronics Nuclear engineering Al-Ani, Ahmed Jamal Noori Online location determination of switched capacitor bank in distribution system
description	This report describes new approaches for the determination of the direction of switched capacitor banks. It is an efficient technique for estimating the distance of switched capacitors from the monitoring location in distribution systems. At first, new indices based on branch voltage and current changes immediately after the capacitor switching instant are proposed for determining the direction of switched capacitor banks. The wavelet transform is used to detect the exact instant of switching. Mathematical analysis of a capacitor bank energizing proves that, the energized capacitor bank affects only the upstream reactive power flow and, the energizing instant, the gradients, time derivatives of voltage and current waveforms measured upstream from the capacitor location will have opposite signs bank by simply evaluating power factor changes and the signs of voltage and current waveform gradients at the switching instant. Simulation results show that the error of the estimated distance is acceptable. Signatures of shunt capacitor bank switching transient phenomena from which one can accurately determine the relative location of an energized capacitor bank whether it is upstream or downstream from the monitoring location.
format	Thesis
qualification_level	Master's degree
author	Al-Ani, Ahmed Jamal Noori
author_facet	Al-Ani, Ahmed Jamal Noori
author_sort	Al-Ani, Ahmed Jamal Noori
title	Online location determination of switched capacitor bank in distribution system
title_short	Online location determination of switched capacitor bank in distribution system
title_full	Online location determination of switched capacitor bank in distribution system
title_fullStr	Online location determination of switched capacitor bank in distribution system
title_full_unstemmed	Online location determination of switched capacitor bank in distribution system
title_sort	online location determination of switched capacitor bank in distribution system
granting_institution	Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department	Faculty of Electrical Engineering
publishDate	2013
url	http://eprints.utm.my/id/eprint/41924/5/AhmedJamalNooriMFKE2013.pdf
_version_	1747816649914843136

Online location determination of switched capacitor bank in distribution system

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