An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer

With the increased use of semiconductor devices (switched mode power supply) and ICT (information communication technology) equipment in homes, offices and the industry, power quality (PQ) is gaining significant interest to both the electric utility and the industry. The absence of power quality cau...

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Main Author:	Bukar, Abba Lawan
Format:	Thesis
Language:	English
Published:	2015
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/53853/1/AbbaLawanBukarMFKE2015.pdf
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spelling	my-utm-ep.538532020-09-08T07:50:24Z An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer 2015-06 Bukar, Abba Lawan TK Electrical engineering. Electronics Nuclear engineering With the increased use of semiconductor devices (switched mode power supply) and ICT (information communication technology) equipment in homes, offices and the industry, power quality (PQ) is gaining significant interest to both the electric utility and the industry. The absence of power quality causes enormous economic losses all over the world; it is estimated that PQ problems cost commerce and industry about 100 billion Euros per annum in the European Union. One of the most and undesirable PQ phenomenon are voltage sags, which puts sensitive loads under risk. This project is therefore, aimed at mitigation of power quality problems such as voltage sag, voltage swell, interruption and harmonic at low voltage distribution system, using a versatile custom power device that is capable of mitigating various types of PQ disturbances called dynamic voltage restorer (DVR). Implementations of DVR have been proposed at both a medium and low voltage levels to protect sensitive loads from power quality problems. The proposed system is designed using Matlab/Simulink SimPower System Tools Box. The proposed DVR system comprises of line filter, voltage injection transformer, voltage source inverter, bypass switch and energy storage device from which the power necessary for compensation can be obtained during PQ disturbance. Simulation results verified the capability of the proposed DVR system in mitigating the power quality problems in a low-voltage distribution system. 2015-06 Thesis http://eprints.utm.my/id/eprint/53853/ http://eprints.utm.my/id/eprint/53853/1/AbbaLawanBukarMFKE2015.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:85888 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 Bukar, Abba Lawan An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer
description	With the increased use of semiconductor devices (switched mode power supply) and ICT (information communication technology) equipment in homes, offices and the industry, power quality (PQ) is gaining significant interest to both the electric utility and the industry. The absence of power quality causes enormous economic losses all over the world; it is estimated that PQ problems cost commerce and industry about 100 billion Euros per annum in the European Union. One of the most and undesirable PQ phenomenon are voltage sags, which puts sensitive loads under risk. This project is therefore, aimed at mitigation of power quality problems such as voltage sag, voltage swell, interruption and harmonic at low voltage distribution system, using a versatile custom power device that is capable of mitigating various types of PQ disturbances called dynamic voltage restorer (DVR). Implementations of DVR have been proposed at both a medium and low voltage levels to protect sensitive loads from power quality problems. The proposed system is designed using Matlab/Simulink SimPower System Tools Box. The proposed DVR system comprises of line filter, voltage injection transformer, voltage source inverter, bypass switch and energy storage device from which the power necessary for compensation can be obtained during PQ disturbance. Simulation results verified the capability of the proposed DVR system in mitigating the power quality problems in a low-voltage distribution system.
format	Thesis
qualification_level	Master's degree
author	Bukar, Abba Lawan
author_facet	Bukar, Abba Lawan
author_sort	Bukar, Abba Lawan
title	An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer
title_short	An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer
title_full	An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer
title_fullStr	An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer
title_full_unstemmed	An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer
title_sort	improvement of voltage quality in low voltage distribution system using dynamic voltage restorer
granting_institution	Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department	Faculty of Electrical Engineering
publishDate	2015
url	http://eprints.utm.my/id/eprint/53853/1/AbbaLawanBukarMFKE2015.pdf
_version_	1747817642450747392

An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer

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