Technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system

Photovoltaic (PV) is becoming a significant solar applications. Air conditioning is one of the basic needs for residential indoor comfort in tropical areas. A vapour compression air conditioning (VCAC) unit powered by PV is evaluated in this thesis by simulations. For energy-saving purpose, the VCAC...

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Main Author:	Choo, Shinn Chei
Format:	Thesis
Language:	English
Published:	2005
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/4355/1/ChooShinnCheiMFKM2005.pdf
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spelling	my-utm-ep.43552018-01-22T05:00:59Z Technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system 2005-06 Choo, Shinn Chei TJ Mechanical engineering and machinery Photovoltaic (PV) is becoming a significant solar applications. Air conditioning is one of the basic needs for residential indoor comfort in tropical areas. A vapour compression air conditioning (VCAC) unit powered by PV is evaluated in this thesis by simulations. For energy-saving purpose, the VCAC unit is working with R134a, and variable compressor speed and condenser air mass flow rate are assumed. A typical residential house located in Senai is modeled and simplified cooling load temperature differential (CLTD) is used to find the peak load and determine the cooling capacities. Based on the peak load demands, psychrometric study is performed and VCAC model is developed to calculate the power supply needed. Then a crude stand-alone PV (SAPV) system size is predicted. To estimate the SAPV VCAC system performance, long-term average and detailed approaches are employed. The former adapted the simplified design method proposed by Hove (2000). It is found that without backup utility, 42.336 m2 of PV array area and 441.14 Ah of battery capacity are required to achieve annual solar fraction of 0.9, using PV mean efficiency of 0.13. In the latter approach, transfer function method (TFM) and VCAC simulations are performed to compute the hourly cooling loads. A detailed modeling of SAPV system based on generality usage is developed and system performance for seven days during the highest cooling demands is studied. The simulations results are discussed and parametric analysis are shown. The SAPV VCAC system is found to be not cost-effective due to efficiency constraint of PV technology and high PV capital costs. Electricity cost of minimum RM1/kW will make PV applications favourable. The simulation methodology requires empirical data to verify. Recommendations are made for improved computations. However, this study believes PV still has potential beneficial effects for large-scale residential energy applications. 2005-06 Thesis http://eprints.utm.my/id/eprint/4355/ http://eprints.utm.my/id/eprint/4355/1/ChooShinnCheiMFKM2005.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Choo, Shinn Chei Technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system
description	Photovoltaic (PV) is becoming a significant solar applications. Air conditioning is one of the basic needs for residential indoor comfort in tropical areas. A vapour compression air conditioning (VCAC) unit powered by PV is evaluated in this thesis by simulations. For energy-saving purpose, the VCAC unit is working with R134a, and variable compressor speed and condenser air mass flow rate are assumed. A typical residential house located in Senai is modeled and simplified cooling load temperature differential (CLTD) is used to find the peak load and determine the cooling capacities. Based on the peak load demands, psychrometric study is performed and VCAC model is developed to calculate the power supply needed. Then a crude stand-alone PV (SAPV) system size is predicted. To estimate the SAPV VCAC system performance, long-term average and detailed approaches are employed. The former adapted the simplified design method proposed by Hove (2000). It is found that without backup utility, 42.336 m2 of PV array area and 441.14 Ah of battery capacity are required to achieve annual solar fraction of 0.9, using PV mean efficiency of 0.13. In the latter approach, transfer function method (TFM) and VCAC simulations are performed to compute the hourly cooling loads. A detailed modeling of SAPV system based on generality usage is developed and system performance for seven days during the highest cooling demands is studied. The simulations results are discussed and parametric analysis are shown. The SAPV VCAC system is found to be not cost-effective due to efficiency constraint of PV technology and high PV capital costs. Electricity cost of minimum RM1/kW will make PV applications favourable. The simulation methodology requires empirical data to verify. Recommendations are made for improved computations. However, this study believes PV still has potential beneficial effects for large-scale residential energy applications.
format	Thesis
qualification_level	Master's degree
author	Choo, Shinn Chei
author_facet	Choo, Shinn Chei
author_sort	Choo, Shinn Chei
title	Technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system
title_short	Technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system
title_full	Technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system
title_fullStr	Technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system
title_full_unstemmed	Technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system
title_sort	technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system
granting_institution	Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department	Faculty of Mechanical Engineering
publishDate	2005
url	http://eprints.utm.my/id/eprint/4355/1/ChooShinnCheiMFKM2005.pdf
_version_	1747814518222749696

Technoeconomical analysis of a residential photovoltaic vapour compression air conditioning system

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