Combined Cooling Heating And Power
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Combined Cooling Heating And Power Systems
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Author : Yang Shi
language : en
Publisher: John Wiley & Sons
Release Date : 2017-09-05
Combined Cooling Heating And Power Systems written by Yang Shi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-05 with Technology & Engineering categories.
A comprehensive review of state-of-the-art CCHP modeling, optimization, and operation theory and practice This book was written by an international author team at the forefront of combined cooling, heating, and power (CCHP) systems R&D. It offers systematic coverage of state-of-the-art mathematical modeling, structure optimization, and CCHP system operation, supplemented with numerous illustrative case studies and examples. CCHP systems are an exciting emerging energy technology offering significant economic and environmental benefits. Combined Cooling, Heating, and Power Systems: Modelling, Optimization, and Operation is a timely response to ongoing efforts to maximize the efficiency of that technology. It begins with a survey of CCHP systems from the technological and societal perspectives, offering readers a broad and stimulating overview of the field. It then digs down into topics crucial for optimal CCHP operation. Discussions of each topic are carefully structured, walking readers from introduction and background to technical details. A set of new methodologies for the modeling, optimization and control of CCHP systems are presented within a unified framework. And the authors demonstrate innovative solutions to a variety of CCHP systems problems using new approaches to optimal power flow, load forecasting, and system operation design. Provides a comprehensive review of state-of-the-art of CCHP system development Presents new methodologies for mathematical modeling, optimization, and advanced control Combines theoretical rigor with real-world application perspectives Features numerous examples demonstrating an array of new design strategies Reflects the combined experience of veteran researchers in the field whose contributions are well recognized within the energy community Offers excellent background reading for students currently enrolled in the growing number of courses on energy systems at universities worldwide Timely, authoritative, and offering a balanced presentation of theory and practice, Combined Cooling, Heating, and Power Systems: Modelling, Optimization, and Operation is a valuable resource forresearchers, design practitioners, and graduate students in the areas of control theory, energy management, and energy systems design.
Combined Cooling Heating And Power
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Author : Masood Ebrahimi
language : en
Publisher: Elsevier
Release Date : 2014-10-08
Combined Cooling Heating And Power written by Masood Ebrahimi and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-08 with Technology & Engineering categories.
A professional reference title written primarily for researchers in thermal engineering, Combined Cooling, Heating and Power: Decision-Making, Design and Optimization summarizes current research on decision-making and optimization in combined cooling, heating, and power (CCHP) systems. The authors provide examples of using these decision-making tools with five examples that run throughout the book. Offers a unique emphasis on newer techniques in decision-making Provides examples of decision-making tools with five examples that run throughout the book
Combined Heating Cooling Power Handbook
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Author : Neil Petchers
language : en
Publisher: The Fairmont Press, Inc.
Release Date : 2003
Combined Heating Cooling Power Handbook written by Neil Petchers and has been published by The Fairmont Press, Inc. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Science categories.
Many of the economic road blocks which have previously served to discourage the implementation of alternative power generation technologies can now be readily overcome through effective energy resource optimization. It is now a fact that solid financial returns can be achieved from combined heating, cooling and power generation projects by integrating energy and cost efficiency goals, and seeking a match between power production and heating/cooling requirements. This book is intended to serve as a road map to those seeking to realize optimum economic returns on such projects. The first section provides an introduction to basic heat and power thermodynamics, with an overview of heat and power generation technologies and equipment. The second section explores the infrastructure in which the project must be implemented, including environmental considerations, as well as utility rate structures. The third section provides detailed coverage of a broad range of technology types, and discusses how opportunities for their application can be identified and successfully exploited. The final section takes you through each step of project development, implementation and operation. Numerous examples are provided of actual field applications, with supporting documentation of system layouts and performance. The text is supplemented with more than one thousand graphics, including photos, cutaway drawings, layout schematics, performance curves, and data tables.
Combined Cooling Heating And Power Cchp System
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Author :
language : en
Publisher:
Release Date : 2018
Combined Cooling Heating And Power Cchp System written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Cogeneration of electric power and heat categories.
Feasibility Assessments Of Combined Cooling Heating And Power Cchp Systems For Commercial Buildings
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Author : Hyeunguk Ahn
language : en
Publisher:
Release Date : 2019
Feasibility Assessments Of Combined Cooling Heating And Power Cchp Systems For Commercial Buildings written by Hyeunguk Ahn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Distributed energy systems produce energy on-site considerably reducing energy loss that would occur when energy is supplied from centralized systems. One of the distributed energy technologies is a combined cooling, heating, and power (CCHP) system. In a CCHP system, electricity is generated near end-users and the recovered heat from a power generation unit is utilized for cooling and heating in a building. Therefore, CCHP systems can increase primary energy utilization efficiency and energy reliability while reducing adverse environmental impacts. CCHP systems can be applicable from a building to community level. However, the feasibility of CCHP systems can largely vary with building type and location as well as other integrated sub-systems such as hybrid chiller and solar photovoltaic (PV) systems. This dissertation focuses on feasibility assessments of CCHP systems integrated with hybrid chiller and PV systems. Specifically, the work in this dissertation consists of investigations of energy, environmental, and economic performances of CCHP systems applied to various commercial building types in different climatic regions in the U.S.The first investigation evaluates the energy and environmental performances of CCHP systems operating with two distinct cooling systems (i.e., absorption chiller vs. hybrid chiller) based on primary energy consumption and carbon dioxide emission. This study focuses on a hospital and an office building in San Francisco, CA and Long Island, NY. The results show that CCHP hybrid chiller systems can reduce a significant amount of primary energy consumption than traditional CCHP systems that utilize only an absorption chiller, especially when the systems are applied to a hospital building. The significant reduction of the primary energy consumption is mainly because a hybrid chiller system can minimize undesirable boiler operations for absorption cooling. The reduced primary energy consumption can also lead to a decrease in carbon dioxide emissions although regionally-varying emission factors of the grid electricity notably influence the environmental performance of CCHP hybrid chiller systems.The second investigation focuses on the economic feasibility of different-sized CCHP hybrid chiller systems for large office buildings considering realistic electricity tariff structures in different geographic regions including San Francisco, CA; Boston, MA; and Miami, FL. The results show that CCHP hybrid chiller systems can be economically justifiable for regions with relatively high electricity price and low natural gas price such as San Francisco and Boston. The cost savings are mainly attributed to electricity cost savings. Specifically, if a local electricity tariff estimates demand charges as high as energy charges (e.g., a tariff structure in San Francisco), demand charges can contribute to about 40% of the electricity cost savings; thus, using simplified tariff structures that neglect demand charges can result in a noticeable discrepancy in economic analyses of CCHP systems or other analogous distributed energy systems. However, for regions with relatively high natural gas price and low electricity price (e.g., Miami), the operation cost of CCHP hybrid chiller systems is higher up to $0.4 million per year compared to that of a conventional separate heat and power (SHP) system.The third investigation integrates solar PV panels with CCHP hybrid chiller (CCHP+PV) systems as applied to a large office building in San Francisco, CA and examines the impacts of variabilities in energy demands and solar irradiance on the energy and economic performances of CCHP+PV systems. According to the results obtained in this study, the associated uncertainties marginally influence the energy performance of CCHP+PV systems whereas they can increase the operation cost by up to $75,000 per year. Such a great increase in the operation cost is mainly attributed to demand charges that tend to increase as the uncertainties are considered. This result implies that a deterministic model of a CCHP+PV system may significantly underestimate its operation costs and overestimate economic savings, thereby leading to overly optimistic economic viability.
Combined Cooling Heating And Power Cchp System Cooperative Research And Development Final Report Crada Number Crd 14 570
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Author :
language : en
Publisher:
Release Date : 2018
Combined Cooling Heating And Power Cchp System Cooperative Research And Development Final Report Crada Number Crd 14 570 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
NREL and Be Power Tech, Inc. (Be Power) will jointly develop a new combined cooling, heating, and power (CCHP) system that uses desiccants in combination with evaporative cooling and fuel cells. The combined system will have better economics and business case than a separate desiccant enhanced air conditioner and fuel cell system. The overall system is expected to become a net revenue generator by delivering power and air conditioning to a building while inputting natural gas and water. This development effort will revolve around adapting NREL's desiccant cooling technology to work with Be Power's proprietary system integration design for CCHP systems. The objective of the CRADA is to develop, then commercialize this CCHP system by jointly developing the system integration design, testing methods, and hardware for this system. The commercial name given to the CCHP system is BeCool.
Optimization Of Combined Cooling Heating And Power Systems Cchp Operational Strategies For Different Climate Conditions
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Author : Brian Edward Whitmire
language : en
Publisher:
Release Date : 2009
Optimization Of Combined Cooling Heating And Power Systems Cchp Operational Strategies For Different Climate Conditions written by Brian Edward Whitmire and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Cooling categories.
This thesis investigates the different strategies of operation and optimization criteria that a CCHP system can be operated under. As energy concerns increase, a major issue for the United States will be the efficiency of energy production. Due to this desire for the most efficient supply of energy CCHP will play an increasingly important role in both domestic and commercial applications as waste heat utilization provides an added measure of efficiency. The different strategies of operation under which a CCHP system can be operated under, electric load following and thermal load following, are defined in addition to the different optimization criteria that a CCHP system can be operated under. The different strategies and optimization criteria of CCHP operation are simulated for five various climate regions in the United States and the results for primary energy consumption, CO2 emissions, and cost of operation are compared.
Design For Micro Combined Cooling Heating And Power Systems
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Author : Nicolae Badea
language : en
Publisher: Springer
Release Date : 2014-09-25
Design For Micro Combined Cooling Heating And Power Systems written by Nicolae Badea and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-25 with Technology & Engineering categories.
This book provides a manual for the technical and structural design of systems for supplying decentralised energy in residential buildings. It presents the micro-combined cooling, heating & power systems Stirling engines & renewable energy sources (mCCHP-SE-RES) systems in an accessible manner both for the public at large, and for professionals who conceive, design or commercialise such systems or their components. The high performance levels of these systems are demonstrated within the final chapter by the results of an experiment in which a house is equipped with a mCCHP-SE-RES system. The reader is also familiarized with the conceptual, technical and legal aspects of modern domestic energy systems; the components that constitute these systems; and advanced algorithms for achieving the structural and technical design of such systems. In residential buildings, satisfying demands of durable development has gradually evolved from necessity to obligation and institutionalisation. Consequently a major paradigm change has appeared in the supply of energy to residential buildings, from the centralised production of energy using fossil fuels to the decentralised production of energy using local renewable sources. Furthermore, on the energy system market, energy micro systems which use renewable energy sources are increasingly commercialised. From among these, the mCCHP-SE-RES systems are particularly striking because they offer a high performance and they enhance the relationship between humans and the environment. This book is intended for postgraduate students of electrical engineering, applied mathematicians, and researchers of modelling and control of complex systems or power system technologies.
Energy Efficient Operation Strategy Design For The Combined Cooling Heating And Power System
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Author : Mingxi Liu
language : en
Publisher:
Release Date : 2012
Energy Efficient Operation Strategy Design For The Combined Cooling Heating And Power System written by Mingxi Liu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Combined cooling, heating and power (CCHP) systems are known as trigeneration systems, designed to provide electricity, cooling and heating simultaneously. The CCHP system has become a hot topic for its high system efficiency, high economic efficiency and less greenhouse gas (GHG) emissions in recent years. The efficiency of the CCHP system depends on the appropriate system configuration, operation strategy and facility size. Due to the inherent and inevitable energy waste of the traditional operation strategies, i.e., following the electric load (FEL) and following the thermal load (FTL), more efficient operation strategy should be designed. To achieve the highest system efficiency, facilities in the system should be sized to match with the corresponding operation strategy. In order to reduce the energy waste in traditional operation strategies and improve the system efficiency, two operation strategy design methods and sizing problems are studied (In Chapter 2 and Chapter 3). Most of the improved operation strategies in the literature are based on the ''balance'' plane, which implies the match of the electric demands and thermal demands. However, in more than 95% energy demand patterns, the demands cannot match with each other at this exact ''balance'' plane. To continuously use the ''balance'' concept, in Chapter 2, the system configuration is modified from the one with single absorption chiller to be the one with hybrid chillers and expand the ''balance'' plane to be a ''balance'' space by tuning the electric cooling to cool load ratio. With this new ''balance'' space, an operation strategy is designed and the power generation unit (PGU) capacity is optimized according to the proposed operation strategy to reduce the energy waste and improve the system efficiency. A case study is conducted to verify the feasibility and effectiveness of the proposed operation strategy. In Chapter 3, a more mathematical approach to schedule the energy input and power flow is proposed. By using the concept of energy hub, the CCHP system is modelled in a matrix form. As a result, the whole CCHP system is an input-output model. Setting the objective function to be a weighted summation of primary energy savings (PESs), hourly total cost savings (HTCs) and carbon dioxide emissions reduction (CDER), the optimization problem, constrained by equality and inequality constraints, is solved by the sequential quadratic programming (SQP). The PGU capacity is also sized under the proposed optimal operation strategy. In the case study, compared to FEL and FTL, the proposed optimal operation strategy saves more primary energy and annual total cost, and can be more environmental friendly. Finally, the conclusions of this thesis is summarized and some future work is discussed.
Optimization Of Combined Cooling Heating And Power Systems Cchp Operational Strategies For Different Climate Conditions
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Author :
language : en
Publisher:
Release Date : 2004
Optimization Of Combined Cooling Heating And Power Systems Cchp Operational Strategies For Different Climate Conditions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
This thesis investigates the different strategies of operation and optimization criteria that a CCHP system can be operated under. As energy concerns increase, a major issue for the United States will be the efficiency of energy production. Due to this desire for the most efficient supply of energy CCHP will play an increasingly important role in both domestic and commercial applications as waste heat utilization provides an added measure of efficiency. The different strategies of operation under which a CCHP system can be operated under, electric load following and thermal load following, are defined in addition to the different optimization criteria that a CCHP system can be operated under. The different strategies and optimization criteria of CCHP operation are simulated for five various climate regions in the United States and the results for primary energy consumption, CO2 emissions, and cost of operation are compared.