Mathematical formulation of multilevel voltage source inverter switching instants

Modular structured multilevel inverter is very useful for electrical application especially in high power and high voltage applications. The main function of this multilevel inverter is to produce multilevel AC output voltage from several separate DC sources. This project is to derive a new mathemat...

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Main Author:	Ismail, Mohd. Alif
Format:	Thesis
Language:	English
Published:	2014
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/47822/5/MohdAlifIsmailMFKE2014.pdf
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id	my-utm-ep.47822
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spelling	my-utm-ep.478222017-09-08T06:27:46Z Mathematical formulation of multilevel voltage source inverter switching instants 2014-01 Ismail, Mohd. Alif TK Electrical engineering. Electronics Nuclear engineering Modular structured multilevel inverter is very useful for electrical application especially in high power and high voltage applications. The main function of this multilevel inverter is to produce multilevel AC output voltage from several separate DC sources. This project is to derive a new mathematical formulation of multilevel voltage source inverter switching instants. The proposed method for this project is based on the sinusoidal natural sampling PWM (SPWM) by comparing several modified modulation signal with a triangular carrier signal. This resulting intersection points between this modulation and carrier signal become the switching instants of the PWM pulses. Derivation also based on two dispossition method that is Alternative phase opposition dispossion (APOD) and Phase opposition dispossion (POD). A cascaded multilevel inverter is selected as a topology for this project due to major advantages compare with other topology. The derived formula is analyzed by using MATLAB simulation software. It is found that the result that use the derived formula is almost identical to simulation result. 2014-01 Thesis http://eprints.utm.my/id/eprint/47822/ http://eprints.utm.my/id/eprint/47822/5/MohdAlifIsmailMFKE2014.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 Ismail, Mohd. Alif Mathematical formulation of multilevel voltage source inverter switching instants
description	Modular structured multilevel inverter is very useful for electrical application especially in high power and high voltage applications. The main function of this multilevel inverter is to produce multilevel AC output voltage from several separate DC sources. This project is to derive a new mathematical formulation of multilevel voltage source inverter switching instants. The proposed method for this project is based on the sinusoidal natural sampling PWM (SPWM) by comparing several modified modulation signal with a triangular carrier signal. This resulting intersection points between this modulation and carrier signal become the switching instants of the PWM pulses. Derivation also based on two dispossition method that is Alternative phase opposition dispossion (APOD) and Phase opposition dispossion (POD). A cascaded multilevel inverter is selected as a topology for this project due to major advantages compare with other topology. The derived formula is analyzed by using MATLAB simulation software. It is found that the result that use the derived formula is almost identical to simulation result.
format	Thesis
qualification_level	Master's degree
author	Ismail, Mohd. Alif
author_facet	Ismail, Mohd. Alif
author_sort	Ismail, Mohd. Alif
title	Mathematical formulation of multilevel voltage source inverter switching instants
title_short	Mathematical formulation of multilevel voltage source inverter switching instants
title_full	Mathematical formulation of multilevel voltage source inverter switching instants
title_fullStr	Mathematical formulation of multilevel voltage source inverter switching instants
title_full_unstemmed	Mathematical formulation of multilevel voltage source inverter switching instants
title_sort	mathematical formulation of multilevel voltage source inverter switching instants
granting_institution	Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department	Faculty of Electrical Engineering
publishDate	2014
url	http://eprints.utm.my/id/eprint/47822/5/MohdAlifIsmailMFKE2014.pdf
_version_	1747817262086094848

Mathematical formulation of multilevel voltage source inverter switching instants

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