Integrated Energy System for a High Performance Building

Integrated energy systems have the potential to reduce of the energy consumption of residential buildings in Canada. These systems incorporate components to meet the building heating, cooling and domestic hot water load into a single system in order to reduce energy losses. An integrated energy syst...

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Bibliographic Details
Main Author: Jaczko, Kristen
Other Authors: Harrison, Dr. Stephen J., Mechanical and Materials Engineering
Format: Thesis
Language:English
Published: 2017
Subjects:
Online Access:http://hdl.handle.net/1974/22824
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spelling ftqueensuniv:oai:qspace.library.queensu.ca:1974/22824 2023-05-15T18:45:45+02:00 Integrated Energy System for a High Performance Building Jaczko, Kristen Harrison, Dr. Stephen J. Mechanical and Materials Engineering 2017-10-03T15:30:18Z http://hdl.handle.net/1974/22824 eng eng Canadian theses http://hdl.handle.net/1974/22824 CC0 1.0 Universal Queen's University's Thesis/Dissertation Non-Exclusive License for Deposit to QSpace and Library and Archives Canada ProQuest PhD and Master's Theses International Dissemination Agreement Intellectual Property Guidelines at Queen's University Copying and Preserving Your Thesis This publication is made available by the authority of the copyright owner solely for the purpose of private study and research and may not be copied or reproduced except as permitted by the copyright laws without written authority from the copyright owner. http://creativecommons.org/publicdomain/zero/1.0/ CC0 PDM Integrated Energy System Heat Pump PV/T thesis 2017 ftqueensuniv 2020-12-29T09:09:19Z Integrated energy systems have the potential to reduce of the energy consumption of residential buildings in Canada. These systems incorporate components to meet the building heating, cooling and domestic hot water load into a single system in order to reduce energy losses. An integrated energy system, consisting of a variable speed heat pump, cold and hot thermal storage tanks, a photovoltaic/thermal (PV/T) collector array and a battery bank, was designed for the Queen’s Solar Design Team’s (QSDT) test house. The system uses a radiant floor to provide space- heating and sensible cooling and a dedicated outdoor air system provides ventilation and dehumidifies the incoming fresh air. The test house, the Queen’s Solar Education Centre (QSEC), and the integrated energy system were both modelled in TRNSYS. Additionally, a new TRNSYS Type was developed to model the PV/T collectors, enabling the modeling of the collection of energy from the ambient air. A parametric study was carried out in TRNSYS to investigate the effect of various parameters on the overall energy performance of the system. These parameters included the PV/T array size and the slope of the collectors, the heat pump source and load-side inlet temperature setpoints, the compressor speed control and the size of the thermal storage tanks and the battery bank. The controls of the heat pump were found to have a large impact on the performance of the integrated energy system. For example, a low evaporator setpoint improved the overall free energy ratio (FER) of the system but the heat pump performance was lowered. Reducing the heat loss of the PV/T panels was not found to have a large effect on the system performance however, as the heat pump is able to lower the inlet collector fluid temperature, thus reducing thermal losses. From the results of the sensitivity study, a recommended system model was created and this system had a predicted FER of 77.9% in Kingston, Ontario, neglecting the energy consumption of circulation pumps and fans. Simulations of the recommended integrated energy system were also performed in several other Canadian cities and the predicted FER was above 60% in all except for the most northern city investigated, Yellowknife. Thus, the integrated energy system has the potential of reducing the energy consumption of residential buildings in Canada. M.A.Sc. Thesis Yellowknife Queen's University, Ontario: QSpace Canada Yellowknife
institution Open Polar
collection Queen's University, Ontario: QSpace
op_collection_id ftqueensuniv
language English
topic Integrated Energy System
Heat Pump
PV/T
spellingShingle Integrated Energy System
Heat Pump
PV/T
Jaczko, Kristen
Integrated Energy System for a High Performance Building
topic_facet Integrated Energy System
Heat Pump
PV/T
description Integrated energy systems have the potential to reduce of the energy consumption of residential buildings in Canada. These systems incorporate components to meet the building heating, cooling and domestic hot water load into a single system in order to reduce energy losses. An integrated energy system, consisting of a variable speed heat pump, cold and hot thermal storage tanks, a photovoltaic/thermal (PV/T) collector array and a battery bank, was designed for the Queen’s Solar Design Team’s (QSDT) test house. The system uses a radiant floor to provide space- heating and sensible cooling and a dedicated outdoor air system provides ventilation and dehumidifies the incoming fresh air. The test house, the Queen’s Solar Education Centre (QSEC), and the integrated energy system were both modelled in TRNSYS. Additionally, a new TRNSYS Type was developed to model the PV/T collectors, enabling the modeling of the collection of energy from the ambient air. A parametric study was carried out in TRNSYS to investigate the effect of various parameters on the overall energy performance of the system. These parameters included the PV/T array size and the slope of the collectors, the heat pump source and load-side inlet temperature setpoints, the compressor speed control and the size of the thermal storage tanks and the battery bank. The controls of the heat pump were found to have a large impact on the performance of the integrated energy system. For example, a low evaporator setpoint improved the overall free energy ratio (FER) of the system but the heat pump performance was lowered. Reducing the heat loss of the PV/T panels was not found to have a large effect on the system performance however, as the heat pump is able to lower the inlet collector fluid temperature, thus reducing thermal losses. From the results of the sensitivity study, a recommended system model was created and this system had a predicted FER of 77.9% in Kingston, Ontario, neglecting the energy consumption of circulation pumps and fans. Simulations of the recommended integrated energy system were also performed in several other Canadian cities and the predicted FER was above 60% in all except for the most northern city investigated, Yellowknife. Thus, the integrated energy system has the potential of reducing the energy consumption of residential buildings in Canada. M.A.Sc.
author2 Harrison, Dr. Stephen J.
Mechanical and Materials Engineering
format Thesis
author Jaczko, Kristen
author_facet Jaczko, Kristen
author_sort Jaczko, Kristen
title Integrated Energy System for a High Performance Building
title_short Integrated Energy System for a High Performance Building
title_full Integrated Energy System for a High Performance Building
title_fullStr Integrated Energy System for a High Performance Building
title_full_unstemmed Integrated Energy System for a High Performance Building
title_sort integrated energy system for a high performance building
publishDate 2017
url http://hdl.handle.net/1974/22824
geographic Canada
Yellowknife
geographic_facet Canada
Yellowknife
genre Yellowknife
genre_facet Yellowknife
op_relation Canadian theses
http://hdl.handle.net/1974/22824
op_rights CC0 1.0 Universal
Queen's University's Thesis/Dissertation Non-Exclusive License for Deposit to QSpace and Library and Archives Canada
ProQuest PhD and Master's Theses International Dissemination Agreement
Intellectual Property Guidelines at Queen's University
Copying and Preserving Your Thesis
This publication is made available by the authority of the copyright owner solely for the purpose of private study and research and may not be copied or reproduced except as permitted by the copyright laws without written authority from the copyright owner.
http://creativecommons.org/publicdomain/zero/1.0/
op_rightsnorm CC0
PDM
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