Dynamic time-of-use scheme implementation in a stand-alone microgrid system

The purpose of this study is to develop a dynamic time-of-use (d-TOU) tariff scheme for microgrid (MG) systems in islanded mode. A MG system consists of renewable energy sources (RES) which generate limited energy with certain degree of uncertainty. Thus, energy consumption can be controlled effecti...

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Main Author:	Nazar, Jawad
Format:	Thesis
Language:	English
Published:	2020
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/93025/1/JawadNazarMSKE2020.pdf
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id	my-utm-ep.93025
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spelling	my-utm-ep.930252021-11-07T06:00:33Z Dynamic time-of-use scheme implementation in a stand-alone microgrid system 2020 Nazar, Jawad TK Electrical engineering. Electronics Nuclear engineering The purpose of this study is to develop a dynamic time-of-use (d-TOU) tariff scheme for microgrid (MG) systems in islanded mode. A MG system consists of renewable energy sources (RES) which generate limited energy with certain degree of uncertainty. Thus, energy consumption can be controlled effectively by the implementation of d-TOU tariff. For this purpose, a MG system was designed using HOMER simulation tool to fulfil residential load demand from RES and battery storage as a backup. The average cost of energy (COE) was obtained from the HOMER’s optimized net present cost (NPC) of the system. Then, a day was divided into three time-zones, i.e. peak hours, mid-peak hours, and off-peak hours based on the generation profile. Considering the generation cost in each time-zone, the average COE was transformed into a d-TOU tariff structure with distinct electricity price for each time-zone. The results showed that electricity price in each time-zone was higher than conventional electricity prices, but greenhouse gas (GHG) emission from the designed MG system was found 85% lesser than conventional electricity generation. Finally, the impact of demand response (DR) was evaluated, which showed that only 10% load-shift from peak hours to off-peak hours saved consumers’ annual electricity bills by 3.46%, and increased utility’s annual profit by 57.89% at the same time. Similarly, shifting 20% load from peak hours to off-peak hours resulted in 10.58% reduction in consumers’ electricity bills annually along with 105.26% increase in the utility’s annual profit. The results validated that efficient implementation of d-TOU tariff and DR in a MG system, result in the peak load shaving, reduction in consumers’ electricity bills, increased utility’s profit, and reduction in GHG emissions. 2020 Thesis http://eprints.utm.my/id/eprint/93025/ http://eprints.utm.my/id/eprint/93025/1/JawadNazarMSKE2020.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:135864 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 Nazar, Jawad Dynamic time-of-use scheme implementation in a stand-alone microgrid system
description	The purpose of this study is to develop a dynamic time-of-use (d-TOU) tariff scheme for microgrid (MG) systems in islanded mode. A MG system consists of renewable energy sources (RES) which generate limited energy with certain degree of uncertainty. Thus, energy consumption can be controlled effectively by the implementation of d-TOU tariff. For this purpose, a MG system was designed using HOMER simulation tool to fulfil residential load demand from RES and battery storage as a backup. The average cost of energy (COE) was obtained from the HOMER’s optimized net present cost (NPC) of the system. Then, a day was divided into three time-zones, i.e. peak hours, mid-peak hours, and off-peak hours based on the generation profile. Considering the generation cost in each time-zone, the average COE was transformed into a d-TOU tariff structure with distinct electricity price for each time-zone. The results showed that electricity price in each time-zone was higher than conventional electricity prices, but greenhouse gas (GHG) emission from the designed MG system was found 85% lesser than conventional electricity generation. Finally, the impact of demand response (DR) was evaluated, which showed that only 10% load-shift from peak hours to off-peak hours saved consumers’ annual electricity bills by 3.46%, and increased utility’s annual profit by 57.89% at the same time. Similarly, shifting 20% load from peak hours to off-peak hours resulted in 10.58% reduction in consumers’ electricity bills annually along with 105.26% increase in the utility’s annual profit. The results validated that efficient implementation of d-TOU tariff and DR in a MG system, result in the peak load shaving, reduction in consumers’ electricity bills, increased utility’s profit, and reduction in GHG emissions.
format	Thesis
qualification_level	Master's degree
author	Nazar, Jawad
author_facet	Nazar, Jawad
author_sort	Nazar, Jawad
title	Dynamic time-of-use scheme implementation in a stand-alone microgrid system
title_short	Dynamic time-of-use scheme implementation in a stand-alone microgrid system
title_full	Dynamic time-of-use scheme implementation in a stand-alone microgrid system
title_fullStr	Dynamic time-of-use scheme implementation in a stand-alone microgrid system
title_full_unstemmed	Dynamic time-of-use scheme implementation in a stand-alone microgrid system
title_sort	dynamic time-of-use scheme implementation in a stand-alone microgrid system
granting_institution	Universiti Teknologi Malaysia, Faculty of Engineering - School of Electrical Engineering
granting_department	Faculty of Engineering - School of Electrical Engineering
publishDate	2020
url	http://eprints.utm.my/id/eprint/93025/1/JawadNazarMSKE2020.pdf
_version_	1747818629707071488

Dynamic time-of-use scheme implementation in a stand-alone microgrid system

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