Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology

In this thesis, a multilevel inverter is constructed using H-Bridge Cascaded circuit to obtain output voltage for three, five, seven and nine level. It is operated without transformer to obtain a nominal voltage of240V. It needs DC voltage from fuel cell that will convert to the AC nominal voltage...

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Main Author:	Nurhafiza, Azizan
Format:	Thesis
Language:	English
Subjects:	H-Bridge Cascaded Fuel cells Inverter Multilevel Inverter Topologies
Online Access:	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/63444/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/63444/2/Full%20text.pdf
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id	my-unimap-63444
record_format	uketd_dc
spelling	my-unimap-634442019-11-29T03:56:58Z Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology Nurhafiza, Azizan Muhammad Irwanto Misrun, Dr. In this thesis, a multilevel inverter is constructed using H-Bridge Cascaded circuit to obtain output voltage for three, five, seven and nine level. It is operated without transformer to obtain a nominal voltage of240V. It needs DC voltage from fuel cell that will convert to the AC nominal voltage. This research was discussed about the output voltage waveform of the H-Bridge Cascaded multilevel inverter approaches the pure sine wave simulation. The simulation uses MA TLAB software to get the output waveform from fuel cell and the H-Bridge cascaded multilevel inverter topology. The topology is to obtain optimal values of voltage angle. The optimum voltage angle results will reduce the lowest (THD) total harmonic distortion and to be implemented in this research. The simulation results will be compared based on the THD results. As the level increases from three to nine levels, the THD shows significant improvement of reduces from 36.13% to 10.14%. Therefore, among three to nine levels of H-Bridge Cascaded multilevel inverter, only the nine levels was chosen for further analysis. The analysis was using SHEPWM switching technique. Comparison between the results analysis of nine levels for modulation indexes 0.75 to 1, has obtained that 10.14% is the best THD results. The comparison results are approximately equal between fuel cell and reference of previous researcher based on the simulation. Therefore, fuel cell also can be used as DC voltage source transformerless multilevel inverter. Universiti Malaysia Perlis (UniMAP) 2014 Thesis en http://dspace.unimap.edu.my:80/xmlui/handle/123456789/63444 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/63444/1/Page%201-24.pdf 96c35a3af107dbce583bd51f0e3ff2cd http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/63444/2/Full%20text.pdf ac4241c0e8a8892d32c12fa074fcb911 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/63444/3/license.txt 8a4605be74aa9ea9d79846c1fba20a33 H-Bridge Cascaded Fuel cells Inverter Multilevel Inverter Topologies School of Electrical Systems Engineering
institution	Universiti Malaysia Perlis
collection	UniMAP Institutional Repository
language	English
advisor	Muhammad Irwanto Misrun, Dr.
topic	H-Bridge Cascaded Fuel cells Inverter Multilevel Inverter Topologies
spellingShingle	H-Bridge Cascaded Fuel cells Inverter Multilevel Inverter Topologies Nurhafiza, Azizan Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology
description	In this thesis, a multilevel inverter is constructed using H-Bridge Cascaded circuit to obtain output voltage for three, five, seven and nine level. It is operated without transformer to obtain a nominal voltage of240V. It needs DC voltage from fuel cell that will convert to the AC nominal voltage. This research was discussed about the output voltage waveform of the H-Bridge Cascaded multilevel inverter approaches the pure sine wave simulation. The simulation uses MA TLAB software to get the output waveform from fuel cell and the H-Bridge cascaded multilevel inverter topology. The topology is to obtain optimal values of voltage angle. The optimum voltage angle results will reduce the lowest (THD) total harmonic distortion and to be implemented in this research. The simulation results will be compared based on the THD results. As the level increases from three to nine levels, the THD shows significant improvement of reduces from 36.13% to 10.14%. Therefore, among three to nine levels of H-Bridge Cascaded multilevel inverter, only the nine levels was chosen for further analysis. The analysis was using SHEPWM switching technique. Comparison between the results analysis of nine levels for modulation indexes 0.75 to 1, has obtained that 10.14% is the best THD results. The comparison results are approximately equal between fuel cell and reference of previous researcher based on the simulation. Therefore, fuel cell also can be used as DC voltage source transformerless multilevel inverter.
format	Thesis
author	Nurhafiza, Azizan
author_facet	Nurhafiza, Azizan
author_sort	Nurhafiza, Azizan
title	Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology
title_short	Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology
title_full	Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology
title_fullStr	Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology
title_full_unstemmed	Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology
title_sort	simulation of single phase fuel cell powered transformerless multilevel inverter using h-bridge cascade topology
granting_institution	Universiti Malaysia Perlis (UniMAP)
granting_department	School of Electrical Systems Engineering
url	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/63444/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/63444/2/Full%20text.pdf
_version_	1747836859203977216

Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology

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