Power conditioning for energy systems in green buildings

This research work proposes an improved model of stand-alone renewable energy system for green buildings by using a sinusoidal pulse width modulation (SPWM) multilevel inverter with a smaller number of power switches. The energy sources for this system is photovoltaic (PV) solar panels. The main adv...

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Main Author:	Ahmad, Javed
Format:	Thesis
Language:	English
Published:	2019
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/85871/1/JavedAhmadMSKE2019.pdf
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id	my-utm-ep.85871
record_format	uketd_dc
spelling	my-utm-ep.858712020-07-30T07:38:15Z Power conditioning for energy systems in green buildings 2019 Ahmad, Javed TK Electrical engineering. Electronics Nuclear engineering This research work proposes an improved model of stand-alone renewable energy system for green buildings by using a sinusoidal pulse width modulation (SPWM) multilevel inverter with a smaller number of power switches. The energy sources for this system is photovoltaic (PV) solar panels. The main advantage of using multilevel inverter rather than normal two-level inverter is the reduction in the output voltage harmonics and this leads to a reduction in the filter size. In this case, the number of power switches used as well as the number of the gate driver circuits required is less compared to the cascaded H-bridge multilevel inverter (CHMI), therefore the weight and switching losses due to the inverter is reduced. To test the effectiveness of the proposed model simulations are carried out using MATLAB/Simulink under temperature and irradiance varying conditions. In addition to the use of the multilevel inverter, a perturb and observe (P&O) maximum power point tracking (MPPT) algorithm is used for the PV array and a feedforward control system is used for the output voltage control. This research work is carried out to develop a model of stand-alone renewable energy system which is capable to provide constant 240 volts to the load at 50 Hz irrespective to the disturbances on the PV side. Simulations are carried out for both constant as well as for varying conditions and it is found that the output voltage of the inverter is constant and stable for both the cases at 240 volts, 50 Hz. 2019 Thesis http://eprints.utm.my/id/eprint/85871/ http://eprints.utm.my/id/eprint/85871/1/JavedAhmadMSKE2019.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:132633 masters Universiti Teknologi Malaysia, Faculty of Engineering - School of Electrical Engineering Faculty of Engineering - School 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 Ahmad, Javed Power conditioning for energy systems in green buildings
description	This research work proposes an improved model of stand-alone renewable energy system for green buildings by using a sinusoidal pulse width modulation (SPWM) multilevel inverter with a smaller number of power switches. The energy sources for this system is photovoltaic (PV) solar panels. The main advantage of using multilevel inverter rather than normal two-level inverter is the reduction in the output voltage harmonics and this leads to a reduction in the filter size. In this case, the number of power switches used as well as the number of the gate driver circuits required is less compared to the cascaded H-bridge multilevel inverter (CHMI), therefore the weight and switching losses due to the inverter is reduced. To test the effectiveness of the proposed model simulations are carried out using MATLAB/Simulink under temperature and irradiance varying conditions. In addition to the use of the multilevel inverter, a perturb and observe (P&O) maximum power point tracking (MPPT) algorithm is used for the PV array and a feedforward control system is used for the output voltage control. This research work is carried out to develop a model of stand-alone renewable energy system which is capable to provide constant 240 volts to the load at 50 Hz irrespective to the disturbances on the PV side. Simulations are carried out for both constant as well as for varying conditions and it is found that the output voltage of the inverter is constant and stable for both the cases at 240 volts, 50 Hz.
format	Thesis
qualification_level	Master's degree
author	Ahmad, Javed
author_facet	Ahmad, Javed
author_sort	Ahmad, Javed
title	Power conditioning for energy systems in green buildings
title_short	Power conditioning for energy systems in green buildings
title_full	Power conditioning for energy systems in green buildings
title_fullStr	Power conditioning for energy systems in green buildings
title_full_unstemmed	Power conditioning for energy systems in green buildings
title_sort	power conditioning for energy systems in green buildings
granting_institution	Universiti Teknologi Malaysia, Faculty of Engineering - School of Electrical Engineering
granting_department	Faculty of Engineering - School of Electrical Engineering
publishDate	2019
url	http://eprints.utm.my/id/eprint/85871/1/JavedAhmadMSKE2019.pdf
_version_	1747818468446568448

Power conditioning for energy systems in green buildings

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