Simulation of a current source APF for a single phase system feeding a non-linear load / Khairul Nizam Noh

This thesis presents an implementation of a current source full bridge parallel active filter for minimizing the input current distortion in a single phase system feeding a nonlinear load. In this work, the switching frequencies for active power filter are varied to observe the input current wavefor...

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Main Author:	Noh, Khairul Nizam
Format:	Thesis
Language:	English
Published:	2012
Online Access:	https://ir.uitm.edu.my/id/eprint/84588/1/84588.pdf
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id	my-uitm-ir.84588
record_format	uketd_dc
spelling	my-uitm-ir.845882024-02-19T04:43:33Z Simulation of a current source APF for a single phase system feeding a non-linear load / Khairul Nizam Noh 2012 Noh, Khairul Nizam This thesis presents an implementation of a current source full bridge parallel active filter for minimizing the input current distortion in a single phase system feeding a nonlinear load. In this work, the switching frequencies for active power filter are varied to observe the input current waveform and the total harmonic distortion. In this method, a current source active power filter is used to inject an equal but opposite current to mitigate the distortion of the input current. The input current after the mitigation process will be nearly shaped as a sinusoidal and in phase with the supply voltage. Unipolar pulse width modulation technique is used to generate the switching signal to control the insulated gate bipolar transistor (IGBT) in the proposed active power filter. From the simulation result, the input current waveform after the mitigation was nearly shaped as a sinusoidal and the total harmonic distortion values become smaller (less than 5%) when the switching frequencies were increased. In order to study the operation and the effectiveness of the rectifier circuit with the proposed active power filter in reducing the harmonic was simulated using Matlab/Simulink. 2012 Thesis https://ir.uitm.edu.my/id/eprint/84588/ https://ir.uitm.edu.my/id/eprint/84588/1/84588.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering Abdul Rahman, Nor Farahaida
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Abdul Rahman, Nor Farahaida
description	This thesis presents an implementation of a current source full bridge parallel active filter for minimizing the input current distortion in a single phase system feeding a nonlinear load. In this work, the switching frequencies for active power filter are varied to observe the input current waveform and the total harmonic distortion. In this method, a current source active power filter is used to inject an equal but opposite current to mitigate the distortion of the input current. The input current after the mitigation process will be nearly shaped as a sinusoidal and in phase with the supply voltage. Unipolar pulse width modulation technique is used to generate the switching signal to control the insulated gate bipolar transistor (IGBT) in the proposed active power filter. From the simulation result, the input current waveform after the mitigation was nearly shaped as a sinusoidal and the total harmonic distortion values become smaller (less than 5%) when the switching frequencies were increased. In order to study the operation and the effectiveness of the rectifier circuit with the proposed active power filter in reducing the harmonic was simulated using Matlab/Simulink.
format	Thesis
qualification_level	Bachelor degree
author	Noh, Khairul Nizam
spellingShingle	Noh, Khairul Nizam Simulation of a current source APF for a single phase system feeding a non-linear load / Khairul Nizam Noh
author_facet	Noh, Khairul Nizam
author_sort	Noh, Khairul Nizam
title	Simulation of a current source APF for a single phase system feeding a non-linear load / Khairul Nizam Noh
title_short	Simulation of a current source APF for a single phase system feeding a non-linear load / Khairul Nizam Noh
title_full	Simulation of a current source APF for a single phase system feeding a non-linear load / Khairul Nizam Noh
title_fullStr	Simulation of a current source APF for a single phase system feeding a non-linear load / Khairul Nizam Noh
title_full_unstemmed	Simulation of a current source APF for a single phase system feeding a non-linear load / Khairul Nizam Noh
title_sort	simulation of a current source apf for a single phase system feeding a non-linear load / khairul nizam noh
granting_institution	Universiti Teknologi MARA (UiTM)
granting_department	Faculty of Electrical Engineering
publishDate	2012
url	https://ir.uitm.edu.my/id/eprint/84588/1/84588.pdf
_version_	1794192026449739776

Simulation of a current source APF for a single phase system feeding a non-linear load / Khairul Nizam Noh

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