A methodology to study photovoltaics and storage system interactions

</p> <p>A methodology is developed to study the interrelations between photovoltaics (PV) and storage systems in the context of demand side management. This study concentrates on the most prominent types of storage systems and photovoltaic technologies, which are lead acid batteries and...

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Main Author: Kroposki, Benjamin David
Other Authors: Electrical Engineering
Format: Others
Language:en
Published: Virginia Tech 2014
Subjects:
Online Access:http://hdl.handle.net/10919/41748
http://scholar.lib.vt.edu/theses/available/etd-03242009-040410/
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spelling ndltd-VTETD-oai-vtechworks.lib.vt.edu-10919-417482021-05-15T05:26:46Z A methodology to study photovoltaics and storage system interactions Kroposki, Benjamin David Electrical Engineering Rahman, Saifur Mashburn, William H. Liu, Yilu LD5655.V855 1992.K767 Photovoltaic cells Photovoltaic power generation </p> <p>A methodology is developed to study the interrelations between photovoltaics (PV) and storage systems in the context of demand side management. This study concentrates on the most prominent types of storage systems and photovoltaic technologies, which are lead acid batteries and single crystalline silicon cells and amorphous silicon cells, respectively. The methodology concentrates on the daily operating cost of the system. Only from a detailed comparison of altenatives can we develop a system that maximizes the benefits of photovoltaics and storage systems, while remaining cost competitive. This methodology consists of several steps that include; simulation runs to determine yearly energy production and consumption, life cycle costing, and analysis of daily cost graphs. During the analysis several items including photovoltaic and storage system technologies, different demand limits and demand charges, and different amounts of load control and purchased electricity as well as different PV and electricity costs are discussed, and the following conclusions are reached.</p> <p> The type of photovoltaics used plays an important role in the system design. The amorphous cells seem to have a lower performance degradation in cloudy or hazy conditions, but single crystalline cells have a lower operating cost especially when there is high sunlight. The cost of photovoltaics also has a great effect on the daily operating cost. By keeping the cost of photovoltaics low (around $2.00/watt), the overall daily operating cost decreases while increasing the photovoltaic array size. This shows that photovoltaics can have a positive economic benefit. The effect of battery cost and on the daily operating cost is minimal. This is because its cost per day is a small part of the total daily operating cost. On the other hand, the demand limit and demand charge greatly effect the magnitude of the daily operating cost. The main component of the daily operating cost is purchased electricity. The daily operating cost increases as the cost of purchased electricity increases.</p> Master of Science 2014-03-14T21:32:10Z 2014-03-14T21:32:10Z 1992-04-15 2009-03-24 2009-03-24 2009-03-24 Thesis Text etd-03242009-040410 http://hdl.handle.net/10919/41748 http://scholar.lib.vt.edu/theses/available/etd-03242009-040410/ en OCLC# 26796139 LD5655.V855_1992.K767.pdf In Copyright http://rightsstatements.org/vocab/InC/1.0/ xvi, 148 leaves BTD application/pdf application/pdf Virginia Tech
collection NDLTD
language en
format Others
sources NDLTD
topic LD5655.V855 1992.K767
Photovoltaic cells
Photovoltaic power generation
spellingShingle LD5655.V855 1992.K767
Photovoltaic cells
Photovoltaic power generation
Kroposki, Benjamin David
A methodology to study photovoltaics and storage system interactions
description </p> <p>A methodology is developed to study the interrelations between photovoltaics (PV) and storage systems in the context of demand side management. This study concentrates on the most prominent types of storage systems and photovoltaic technologies, which are lead acid batteries and single crystalline silicon cells and amorphous silicon cells, respectively. The methodology concentrates on the daily operating cost of the system. Only from a detailed comparison of altenatives can we develop a system that maximizes the benefits of photovoltaics and storage systems, while remaining cost competitive. This methodology consists of several steps that include; simulation runs to determine yearly energy production and consumption, life cycle costing, and analysis of daily cost graphs. During the analysis several items including photovoltaic and storage system technologies, different demand limits and demand charges, and different amounts of load control and purchased electricity as well as different PV and electricity costs are discussed, and the following conclusions are reached.</p> <p> The type of photovoltaics used plays an important role in the system design. The amorphous cells seem to have a lower performance degradation in cloudy or hazy conditions, but single crystalline cells have a lower operating cost especially when there is high sunlight. The cost of photovoltaics also has a great effect on the daily operating cost. By keeping the cost of photovoltaics low (around $2.00/watt), the overall daily operating cost decreases while increasing the photovoltaic array size. This shows that photovoltaics can have a positive economic benefit. The effect of battery cost and on the daily operating cost is minimal. This is because its cost per day is a small part of the total daily operating cost. On the other hand, the demand limit and demand charge greatly effect the magnitude of the daily operating cost. The main component of the daily operating cost is purchased electricity. The daily operating cost increases as the cost of purchased electricity increases.</p> === Master of Science
author2 Electrical Engineering
author_facet Electrical Engineering
Kroposki, Benjamin David
author Kroposki, Benjamin David
author_sort Kroposki, Benjamin David
title A methodology to study photovoltaics and storage system interactions
title_short A methodology to study photovoltaics and storage system interactions
title_full A methodology to study photovoltaics and storage system interactions
title_fullStr A methodology to study photovoltaics and storage system interactions
title_full_unstemmed A methodology to study photovoltaics and storage system interactions
title_sort methodology to study photovoltaics and storage system interactions
publisher Virginia Tech
publishDate 2014
url http://hdl.handle.net/10919/41748
http://scholar.lib.vt.edu/theses/available/etd-03242009-040410/
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