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Dissertations / Theses on the topic 'Compressed Air Energy Storage System'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Keeney, James W. "INVESTIGATION OF COMPRESSED AIR ENERGY STORAGE EFFICIENCY." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/1156.

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This study investigates Compressed Air Energy Storage (CAES) application in the electrical power and transportation industries. Information concerning current CAES projects is presented. A thorough thermodynamic analysis of the CAES process is completed; including theoretical efficiency determination for several variants of the compression and expansion processes. Industry claimed efficiencies ranging from 26% to 82% are presented and explained. Isothermal and Isentropic efficiency baselines are developed. Energy density of compressed air on both a mass and volume basis is compared to other en

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2

Dib, Ghady. "Thermodynamic simulation of compressed air energy storage systems." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI092.

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Le développement des énergies renouvelables pose la question du stockage de l’énergie électrique. L’utilisation du stockage par air comprimé semble une solution prometteuse dans le domaine du stockage d'énergie : elle se caractérise par une grande fiabilité, un faible impact environnemental et une remarquable densité énergétique stockée (kWh/m3). Jusqu’à présent, l'air comprimé a été utilisé dans de nombreux domaines comme vecteur d’énergie pour stocker différentes formes d'énergies (transport routier, poste pneumatique, plongée sous-marine). Néanmoins, actuellement de nombreux chercheurs se c

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3

Steen, Evelina, and Malin Torestam. "Compressed air energy storage : Process review and case study of small scale compressed air energy storage aimed at residential buildings." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-228385.

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The potential for electrical energy storage to both provide services to the electrical grid and help to better integrate renewable energies in the electrical system is promising. This report investigates one type of storage, compressed air energy storage (CAES), where energy is stored by compressing air during hours of low electricity demand and later expanding the air to generate electricity during high demand hours. To this day it exists two large plants, but small facilities have yet to be implemented, raising the question whether it could be viable to use CAES on a smaller scale as well. B

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4

Bozzolani, Emanuele. "Techno-economic analysis of compressed air energy storage systems." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/6786.

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The continuous escalation of intermittent energy added to the grid and forecasts of peaking power demand increments are rising the effort spent for evaluating the economic feasibility of energy storages. The aim of this research is the techno-economic analysis of Compressed Air Energy Storage (CAES) systems, capable of storing large quantities of off-peak electric energy in the form of high-pressure air, as an ―energy stock‖ which allows the production of high-profit on-peak electricity when required by the grid. Several studies of both conventional and innovative adiabatic concepts are carrie

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Bahr, Ennil Ali. "Optimization of small-scale axial turbine for distributed compressed air energy storage system." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7157/.

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Small scale distributed compressed air energy storage (D-CAES) has been recognized as promising technology which can play major role in enhancing the use of renewable energy. Due to the transient behavior of the compressed air during the discharging phase, there are significant variations in air pressure, temperature and mass flow rate resulting in low turbine efficiency. This research aims to improve the expansion process of the small scale D-CAES system through optimization of a small scale axial turbine. A small scale axial air turbine has been developed using 1D Meanline approach and CFD s

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6

Kokaew, Vorrapath. "Maximum power point tracking of a small-scale compressed air energy storage system." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/404178/.

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The thesis is concerned with a small-scale compressed air energy storage (SS-CAES) system. Although these systems have relatively low energy density, they offer advantages of low environmental impact and ease of maintenance. The thesis focuses on solving a number of commonly known problems related to the perturb and observe (P&O) maximum power point tracking (MPPT) system for SS-CAES, including confusion under input power fluctuation conditions and operating point dither. A test rig was designed and built to be used for validation of the theoretical work. The rig comprised an air motor driving

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Krupke, Christopher. "Study on a hybrid wind turbine system with intrinsic compressed air energy storage provision." Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/86769/.

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Recent years have witnessed the expansion of the wind power industry, spawned from international legislation that commits countries to increasing their share of renewable energy, compared to their gross energy consumption. However, increased exploitation of wind power poses challenges for power network operation. The variability and uncertainty of wind power may lead to network capacity constraints, system stability issues and potential wind power curtailment in the near future. Energy storage is considered to be one of the most viable options to support the integration of increased wind power

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8

Ramadan, Omar. "Compressed air energy storage for large-scale renewable energy systems for a case study of Egyptian grid." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/33601/.

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All across the world, attention is turning to renewable energies to serve at least as a partial substitute to fossil fuels in the global energy mix, braking the latter’s depletion and providing a greener solution for a more sustainable future. However, the intermittent nature of most renewable energy sources, wind and solar in particular, raises major concerns over the integration of these technologies, on a large scale, to grid systems. This thesis focuses on large-scale renewable energy storage systems, primarily compressed air energy storage (CAES) systems, which are particularly well suite

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9

Mouli-Castillo, Julien Manuel Albert. "Assessing the potential for Compressed Air Energy Storage using the offshore UK saline aquifer resource." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31051.

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In the context of the development of renewable energy sources in the U.K., and of the increase in anthropogenic atmospheric CO2, it is important to develop alternative ways of providing energy to the community. The shift to renewable sources of electricity comes to a cost: variable generation. At present, an important part of the renewable electricity capacity is being curtailed during low demand periods. One way to ensure that electricity supply matches demand is to store excess energy when it is available and deliver it when demand cannot be met by primary generation alone. Compressed Air En

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10

Safaei, Mohamadabadi Hossein. "Techno-Economic Assessment of the Need for Bulk Energy Storage in Low-Carbon Electricity Systems With a Focus on Compressed Air Storage (CAES)." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:14226038.

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Increasing electrification of the economy while decarbonizing the electricity supply is among the most effective strategies for cutting greenhouse gas (GHG) emissions in order to abate climate change. This thesis offers insights into the role of bulk energy storage (BES) systems to cut GHG emissions from the electricity sector. Wind and solar energies can supply large volumes of low-carbon electricity. Nevertheless, large penetration of these resources poses serious reliability concerns to the grid, mainly because of their intermittency. This thesis evaluates the performance of BES systems – e

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11

Atabay, Dennis [Verfasser], Ulrich [Akademischer Betreuer] Wagner, Ulrich [Gutachter] Wagner, and Gunther [Gutachter] Reinhart. "Comparison of optimization methods for model predictive control: An application to a compressed air energy storage system / Dennis Atabay ; Gutachter: Ulrich Wagner, Gunther Reinhart ; Betreuer: Ulrich Wagner." München : Universitätsbibliothek der TU München, 2018. http://d-nb.info/1159703523/34.

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12

Englund-Karlsson, Simon. "Energy storage and their combination with wind power compared to new nuclear power in Sweden : A review and cost analysis." Thesis, Högskolan i Gävle, Energisystem och byggnadsteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-32749.

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As intermittent renewable energy sources such as wind and solar power gradually increase around the world, older technologies such as nuclear power is phased out in Sweden and many other countries. It is then important to ensure that the total power need is secured, and that the power grid can remain stable. One way of managing intermittent renewables is by using energy storage. The main goal of this thesis was to compare energy storage methods and their costs. A secondary aim was to investigate how the cost of developing more renewable energy sources, in combination with different energy stor

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13

Santo, Luca. "AA-CAES physical modelling: integration of a 1D TES code and plant performance analysis." Thesis, Uppsala universitet, Tillämpad kärnfysik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-360448.

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The focus of this thesis work was the development of an approachto couple a previosly existing Thermal Energy Storage (TES) modelwritten in C++ with a Simulink/Simscape plant model to simulate anAdvanced Adiabatic Compressed Air Energy Storage (AA-CAES) plant.After the creation and validation of such tool, the complete modelwas used to run simulations, with the aim of assessing the AA-CAESplant's performance under multiple patterns of charge anddischarge.Most of the works found in the literature only provide values ofstorage efficiency obtained from analytical approaches, whilethose that use s

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Mazloum, Youssef. "Modélisation dynamique et optimisation des systèmes de stockage d'énergie par air comprimé fonctionnant à pression fixe." Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLEM076.

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La contribution des sources d'énergie renouvelables dans le mix de la production d'électricité augmente largement. De ce fait, l'intégration des technologies de stockage d'énergie dans le réseau électrique devient inévitable afin de remédier aux inconvénients des sources renouvelables. Ainsi, l'objectif de cette thèse est d'évaluer la rentabilité, d'optimiser et d'étudier le comportement dynamique d'un cycle adiabatique de stockage d'énergie par air comprimé fonctionnant à pression fixe (IA-CAES). Ce système est caractérisé d'une part par la récupération de la chaleur de compression et d'autre

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15

Zipplies, Daniel. "Effizienzsteigerung des Kunststoffblasformprozesses durch Optimierung des Drucklufteinsatzes." Universitätsverlag Chemnitz, 2020. https://monarch.qucosa.de/id/qucosa%3A70808.

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Die ökologischen und ökonomischen Anforderungen der heutigen Zeit verlangen energieeffiziente Verarbeitungsverfahren. Vor diesem Hintergrund befasst sich diese Arbeit mit dem Kunststoffblasformprozess, der neben dem für die Kunststoffverarbeitung typischen hohen Energiebedarf zusätzlich ein hohes Maß an energieintensiv zu erzeugender Druckluft erfordert. Ausgehend von einer ausführlichen Energiebilanz des Extrusionsblasformprozesses wurde der zur Formgebung (Blasluft) und zur inneren Blasteilkühlung (Spülluft) benötigte Drucklufteinsatz als eine energetische Schwachstelle identifiziert. Zur Re

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16

Moutoux, Richard David. "Wind integrated Compressed Air Energy Storage in Colorado." Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1447672.

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Raible, Moritz. "Study of compressed air energy storage (CAES) for domestic photovoltaic system's." Master's thesis, Instituto Politécnico de Setúbal. escola Superior de Tecnologia de setúbal, 2016. http://hdl.handle.net/10400.26/16896.

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A Thesis submitted for the degree Master of Science<br>Este trabalho é o projeto final do Mestrado em Energia. A mudança de combustíveis fósseis para energias renováveis é uma grande tarefa para a nossa e as futuras gerações de modo a parar o aquecimento global e impedir mudanças drásticas no ambiente no nosso planeta. Como o armazenamento de energia é um parâmetro muito importante na utilização de energia renovável, este estudo tem por objetivo estudar em termos termodinâmicos um destes sistemas. Para a implementação de um sistema de armazenamento de energia por ar comprimido este trabalho pe

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18

Bunpuckdee, Bhadin, Philip Svensson, and Zakaria Tairlbahre. "Study of a Small Scale Combined Pumped Water and Compressed Air Storage." Thesis, KTH, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230680.

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The recent developments in renewable energy has led to an increasing demand for energy storage capability. This report aims to combine two of the most widely used methods: Pumped Hydro Energy Storage and Compressed Air Energy Storage. By using a closed pressure vessel of 200 m3, the system stores energy in the form of compressed air and gravitational potential energy of water.Two different charging and discharging methods were investigated to examine the behaviour of the proposed small-scale model, one “slow process” and one “fast process”. In the first one, water is pumped up and let out in i

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19

Wang, Bo [Verfasser]. "Compressed air energy storage in porous geological formations - Investigation of storage characteristics and induced impacts / Bo Wang." Kiel : Universitätsbibliothek Kiel, 2019. http://d-nb.info/1180387678/34.

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Senniappan, Arul Prasad. "Baselining a compressed air system an expert systems approach /." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3404.

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Thesis (M.S.)--West Virginia University, 2004.<br>Title from document title page. Document formatted into pages; contains xiii, 148 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 90-95).

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Barbour, Edward. "Investigation into the potential of energy storage to tackle intermittency in renewable energy generation." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8189.

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Renewable Energy is by nature intermittent and matching the supply of energy to specific time dependent demand poses huge challenges. Energy storage is a useful tool in handling this temporal disparity, although except for regions very suitable for pumped hydroelectric storage schemes, it suffers from being technically difficult to implement and costly as a result. This study investigates the potential benefits offered by various scales of energy storage to different types of renewable energy generation. It also explores the economic drivers behind energy storage operating as part of an electr

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Van, Tonder Adriaan Jacobus Marthinus. "Sustaining compressed air DSM project savings using an air leakage management system / A.J.M. van Tonder." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4458.

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Unreliable and unsustainable electricity supply has been experienced in South Africa since 2007. Eskom implemented Demand Side Management (DSM) as a short-term solution to alleviate this problem. Several compressed-air DSM projects were implemented to help reduce the strain on the electrical network. Compressed air is an integral part of production in deep-level mining, and is extensively utilised. Problems are encountered with the effective management and repairing of leaks, since the majority of mines have little to no procedures in place for leak management. Awareness of the condition of th

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Ali, Sadiq. "Proposed design of a novel expander-turbine for use with compressed air energy storage for generating electricity." Thesis, Ulster University, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.633035.

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Electricity generation is highly carbon intensive, associated with complex externalities. The preceding thirteen decades have witnessed improvements in efficiencies of rotary machines employed' for electricity generation through enhanced metallurgy, understanding of fluid mechanics and thermodynamics; consequently improving their conventional designs without much heed to environmental degradation, understanding of energy resources, and sustainability, until emergence and realisation of disastrous climate changes. This forced the environmentalists and scientists to explore new frontiers, and to

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Meng, Hui. "Design and operation of compressed air energy storage (CAES) for wind power through process modelling and simulation." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/22369/.

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The compressed air energy storage (CAES) system, one of the grid-scale (>100MW) energy storage technologies, has been deployed in Germany and the USA. The round-trip efficiency of current commercial CAES plants is still low and needs to be improved. The CAES system will also play an important role in balancing electricity supply and demand because it can be integrated with renewable energy sources to overcome the intermittency problem. One unique feature of a CAES system integrated with wind power is that it is difficult to maintain constant operating conditions for CAES compression system due

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Nelson, Berg Joakim, and Jonathan Lee. "A pre-study on the compressed air system at Ljunghaell AB." Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-25648.

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The Swedish industry uses large volumes of compressed air. The compressed air process isenergy intensive and creates large amounts of excess heat. It is therefore important to utilizethe excess heat, optimize the operation of the compressors and to have a regular maintenanceon the system. This thesis is a pre-study to make a compressed air system energy efficient andis done in collaboration with Ljunghäll AB. Ljunghäll AB is one of Northern Europe's leadingdie casting companies and are located in Södra Vi, Sweden. The purpose is to describe andmap the compressed air system in the old part of t

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Williams, Daniel David. "Cold side thermal energy storage system for improved operation of air cooled power plants." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78194.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 81-82).<br>Air cooled power plants experience significant performance fluctuations as plant cooling capacity reduces due to higher daytime temperature than nighttime temperature. The purpose of this thesis is to simulate the detailed operation of a cold side thermal energy storage system in order to evaluate its potential. An organic Rankine cycle geothermal power station is used as an example application. Detailed sizi

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Wong, Kin-chuen, and 黃健全. "Optimization of building cooling system based on genetic algorithms and thermal energy storage." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B45701416.

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Louw, Andre Du Randt. "Discrete and porous computational fluid dynamics modelling of an air-rock bed thermal energy storage system." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86233.

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Thesis (MScEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Concentrating solar power promises to be a potential solution for meeting the worlds energy needs in the future. One of the key features of this type of renewable energy technology is its ability to store energy effectively and relatively cheaply. An air-rock bed thermal energy storage system promises to be an effective and reasonably inexpensive storage system for concentrating solar power plants. Currently there is no such storage system commercially in operation in any concentrating solar power plant, and further res

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Xiang, Yetao. "Experimental and computational investigation of building integrated PV thermal air system combined with thermal storage." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/42743/.

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Issues from global warming with increased CO2 emissions have been to a main concern over world. As an example in the UK, the energy demand in the domestic sector has risen by 17% in 2010 compared with that of 1970. Applying renewable energy is widely agreed to be the most effective and promising way to solve the problem where solar energy and photovoltaic technology have been greatly developing from the last century. Photovoltaic combines with Phase Change Material (PV/PCM) system is a hybrid solar system which uses phase change material to reduce the PV temperature and to store energy for oth

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Kaiser, Friederike [Verfasser], and Roman [Akademischer Betreuer] Weber. "Steady state and time dependent compressed air energy storage model validated with Huntorf operational data and investigation of hydrogen options for a sustainable energy supply / Friederike Kaiser ; Betreuer: Roman Weber." Clausthal-Zellerfeld : TU Clausthal, 2021. http://d-nb.info/1231362308/34.

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Dinca, Dragos. "Development of an Integrated High Energy Density Capture and Storage System for Ultrafast Supply/Extended Energy Consumption Applications." Cleveland State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=csu1495115874616384.

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Pochylý, Jiří. "Podzemní pneumatický akumulátor energie." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231337.

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This diploma thesis deals with the underground compressed air enery storage. Thesis can be divided into several parts. The first part focuses on the theoretical analysis which decribes reason of renewable resources implementation to the electric grid and how renewable resources affect electric grid. Second part describes compression and expansion stage. Last part deals with design of storage facility which is suitable for different energy supplies. Extracted coal mines of Rosicko-Oslavany area is used as suitable underground storage.

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Venter, Johan. "Development of a dynamic centrifugal compressor selector for large compressed air networks in the mining industry / Johan Venter." Thesis, North-West University, 2012. http://hdl.handle.net/10394/9540.

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Various commercial software packages are available for simulating compressed air network operations. However, none of these software packages are able to dynamically prioritise compressor selection on large compressed air networks in the mining industry. In this dissertation, a dynamic compressor selector (DCS) will be developed that will actively and continuously monitor system demand. The software will ensure that the most suitable compressors, based on efficiency and position in the compressed air network, are always in operation. The study will be conducted at a platinum mine. Compressed a

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Ji, Xiaoyan. "Thermodynamic properties of humid air and their application in advanced power generation cycles." Doctoral thesis, Stockholm : Department of Chemical and Engineering and Technology, Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4129.

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Sheibeh, Rasam. "Evaluation of available electricity storage technologies and the possible economic gain for Växjö Energi." Thesis, KTH, Kraft- och värmeteknologi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-291730.

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As the renewable energy sources are finding more place in the energy generation technologies,the Swedish energy market is also undergoing transformations. Renewable energy sources inthe energy generation system brings more volatility and price fluctuations which can mean challenges and opportunities. Svenska Kraftnät, as the authority responsible for safety and stability of Swedish transmission system, addresses the challenges with higher shares of renewable energy sources to some extent with more frequency stabilizing solutions but the electricity prices are controlled by free market which is

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Al-Hadban, Yehya. "Demand-side management in office buildings in Kuwait through an ice-storage assisted HVAC system with model predictive control." Thesis, Cranfield University, 2005. http://hdl.handle.net/1826/3885.

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Examining methods for controlling the electricity demand in Kuwait was the main objective and motivation of this researchp roject. The extensiveu se of air-conditioning for indoor cooling in office and large commercial buildings in Kuwait and the Gulf States represents a major part of the power and electricity consumption in such countries. The rising electricity generation cost and growing rates of consumption continuously demand the construction new power plants. Devising and enforcing Demand-SideM anagemen(t DSM) in the form of energye fficient operations trategies was the response of this

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Winsjansen, Frida. "Utredning av energibesparingspotential och lönsamhet hos kompressorsystem med värmeåtervinning : För integrering i industriellt uppvärmningssystem." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27776.

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För att tillgodose framtidens växande behov av energi och samtidigt bidra till en långsiktigt hållbar energitillförsel krävs resurs- och energieffektivisering inom flera sektorer. Inte minst inom industrin som år 2016 stod för mer än 50 procent av det globala energibehovet. Tillvaratagandet av befintliga resurser såsom spillvärme från tryckluftsproduktion är en möjlig effektiviseringsåtgärd. Till grund för examensarbetet ligger ett önskemål från koncernen Sandvik AB att utreda besparingspotential och kostnader för reinvestering i en av industrins kompressorcentraler, Götvalsverket. Reinvesteri

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Ali, Haider Adel Ali, and Ziad Namir Abdeljawad. "THERMAL MANAGEMENT TECHNOLOGIES OF LITHIUM-ION BATTERIES APPLIED FOR STATIONARY ENERGY STORAGE SYSTEMS : Investigation on the thermal behavior of Lithium-ion batteries." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-48904.

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Batteries are promising sources of green and sustainable energy that have been widely used in various applications. Lithium-ion batteries (LIBs) have an important role in the energy storage sector due to its high specific energy and energy density relative to other rechargeable batteries. The main challenges for keeping the LIBs to work under safe conditions, and at high performance are strongly related to the battery thermal management. In this study, a critical literature review is first carried out to present the technology development status of the battery thermal management system (BTMS)

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Kratschmer, Bruno. "Akumulace elektrické energie z OEZ." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230956.

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In this thesis I deal with problem of power acumulation from renewable energy sources. First part present the available technologies used for power accumulation. In the second part is designed the systém of acumulation in compressed air with a transformation electric output 1 MW, when is used made elektricity from wind-power plant. In the third part is an assessment in terms of both technical and economic comparison with the use of electicity from the network.

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Dombrosky, Robson Fernandes. "Eficientização de um sistema de climatização aeroportuário a partir do uso da termoacumulação." Universidade do Vale do Rio dos Sinos, 2012. http://www.repositorio.jesuita.org.br/handle/UNISINOS/4050.

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Submitted by William Justo Figueiro (williamjf) on 2015-06-26T22:57:56Z No. of bitstreams: 1 43.pdf: 3316113 bytes, checksum: 59a696189af2b9803f0adedd6828d93e (MD5)<br>Made available in DSpace on 2015-06-26T22:57:56Z (GMT). No. of bitstreams: 1 43.pdf: 3316113 bytes, checksum: 59a696189af2b9803f0adedd6828d93e (MD5) Previous issue date: 2012<br>Banco Santander / Banespa<br>O trabalho apresenta um estudo do sistema de climatização do aeroporto da cidade de Porto Alegre, visando determinar e mensurar as oportunidades de redução dos seus custos operacionais utilizando o tanque de termoacumul

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Heller, Ondřej. "Akumulace energie z OZE." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218539.

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The objective of the first part of master’s thesis is mapping the potential of various types of renewable sources in Europe and Czech Republic, especially solar energy, wind energy, water energy and biomass. There are described principals and ways of energy generation from these sources, brief overview of current technologies, and also their advantages and limitations. An important part is electric supply continuity from renewable sources, there are large differences and the resulting to restrictions on construction and connecting the units to the power system. In this work there are mentioned

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Glos, Jan. "Modelování a řízení toků elektrické a tepelné energie v plně elektrických automobilech." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-433039.

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Systematické řízení tepelných a elektrických toků v plně elektrických automobilech se stává velmi důležitým, protože v těchto typech automobilů není k dispozici dostatek odpadního tepla pro vytápění kabiny. Aby v zimním období nedocházelo ke snížení dojezdu, je nutné použití technologií, které umožní snížení spotřeby energie nutné k vytápění kabiny (např. tepelné čerpadlo, zásobník tepla). Je také zapotřebí vytvořit řídicí algoritmy pro tato zařízení, aby byl zajištěn jejich optimální provoz. V letním období je nezbytné řídit tepelné toky v rámci elektromobilu tak, aby nedocházelo k nadměrnému

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Manchester, Sebastian. "Regenerative Air Energy Storage for Renewable Energy Integration: System Modeling and Optimization." 2014. http://hdl.handle.net/10222/49081.

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As energy systems shift away from fossil-fuel based electricity, the non-dispatchability of renewable energy converters (REC) continue to stress the grid infrastructure and conventional thermal generating units. These hybrid electricity systems require energy storage systems to buffer the variabilities of electricity supply and demand. Regenerative air energy storage (RAES) is an emerging technology that shows promise to overcome the barriers of REC variability. RAES uses a novel compressor/expander that approaches isothermal operation by spraying water into the piston/cylinder to absorb/relea

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Garrison, Jared Brett. "A grid-level unit commitment assessment of high wind penetration and utilization of compressed air energy storage in ERCOT." Thesis, 2014. http://hdl.handle.net/2152/28428.

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Emerging integration of renewable energy has prompted a wide range of research on the use of energy storage to compensate for the added uncertainty that accompanies these resources. In the Electric Reliability Council of Texas (ERCOT), compressed air energy storage (CAES) has drawn particular attention because Texas has suitable geology and also lacks appropriate resources and locations for pumped hydroelectric storage (PHS). While there have been studies on incorporation of renewable energy, utilization of energy storage, and dispatch optimization, this is the first body of work to integrate

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Garrison, Jared Brett. "An integrated energy storage scheme for a dispatchable wind and solar powered energy system." Thesis, 2009. http://hdl.handle.net/2152/ETD-UT-2009-12-656.

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Wind and solar technologies have experienced rapid market growth recently as a result of the growing interest for implementation of renewable energy. However, the intermittency of wind and solar power is a major obstacle to their broader use. The additional risks of unexpected interruptions and mismatch with demand have hindered the expansion of these two primary renewable resources. The goal of this research is to analyze an integrated energy system that includes a novel configuration of wind and solar coupled with two storage methods to make both wind and solar sources dispatchable during

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(5931020), Babak Bahrami Asl. "FUTURISTIC AIR COMPRESSOR SYSTEM DESIGN AND OPERATION BY USING ARTIFICIAL INTELLIGENCE." Thesis, 2020.

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<div>The compressed air system is widely used throughout the industry. Air compressors are one of the most costly systems to operate in industrial plants in therms of energy consumption. Therefore, it becomes one of the primary target when it comes to electrical energy and load management practices. Load forecasting is the first step in developing energy management systems both on the supply and user side. A comprehensive literature review has been conducted, and there was a need to study if predicting compressed air system’s load is a possibility. </div><div><br></div><div>System’s load profi

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Le, Ha Thu. "Increasing wind power penetration and voltage stability limits using energy storage systems." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-05-864.

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The research is motivated by the need to address two major challenges in wind power integration: how to mitigate wind power fluctuation and how to ensure stability of the farm and host grid. It is envisaged that wind farm power output fluctuation can be reduced by using a specific type of buffer, such as an energy storage system (ESS), to absorb its negative impact. The proposed solution, therefore, employs ESS to solve the problems. The key research findings include a new technique for calculating the desired power output profile, an ESS charge-discharge scheme, a novel direct-calculation (op

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Stanford, Mark Robert. "Compressed air energy storage in South Africa." Thesis, 2014.

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The suitability of Compressed Air Energy Storage (CAES) as a source of peaking plant capacity in South Africa is examined in this research report. The report examines the current state of CAES technology including examples of operational and planned facilities. It further evaluates the potential challenges and benefits of the use of CAES in South Africa. A high level proposal for plant design capacity is documented, and potential costs for construction thereof are estimated. The cost of a CAES plant is compared to generating options using the Levelised Cost of Energy (LCOE) method. The

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Silva, João Paulo Mendes da. "A new concept in compressed air energy storage." Master's thesis, 2014. http://hdl.handle.net/10451/18019.

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Tese de mestrado integrado, Engenharia da Energia e do Ambiente, Universidade de Lisboa, Faculdade de Ciências, 2015<br>The aim of this master thesis is to explore a new concept in energy storage, the liquid assisted compressed air energy storage (LACAES). Several other energy storage technologies were briefly reviewed to set a comparative basis for LACAES. The fundamentals of compressed air energy storage (CAES) are explained, and an essential introduction to LACAES is made, emphasizing the advantages of LACAES over conventional CAES. From this comparison the most promising applications for L

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Townsend, Aaron Keith. "A grid-level assessment of compressed air energy storage in ERCOT." 2013. http://hdl.handle.net/2152/22104.

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In the Electric Reliability Council of Texas (ERCOT) compressed air energy storage (CAES) is currently viewed as the most promising energy storage technology due to Texas having suitable geology for CAES and few locations suitable for pumped-hydro storage. CAES is a proven technology but the economics for new facilities are uncertain. This work quantified the economic prospects for CAES in ERCOT as a function of installed wind capacity, natural gas price, and CAES capital cost. Two types of models were developed and used in this work. The first type of model was a CAES dispatch optimization

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