Energi, elproduktion, eldistribution og energilagring

Smart Metering: Infrastructure, Methodologies, Applications and Challenges combines the fundamentals of smart meters in smart grids with the latest advances and technologies in advanced smart infrastructure. With a strong focus on practical guidance and applications, this book examines the design and implementation of smart meters, as well as cybersecurity and data management challenges. Following an introduction to smart grid architecture, the book details design elements of smart meters to enable them for specific applications such as recording the energy consumption of users, load forecasting, resilience enhancement and energy theft detection. A deep dive into smart meter data analytics is then presented, accompanied by load forecasting methods and their advantages and challenges. Subsequent chapters also discuss outage management, fault identification and other applications of smart meters, including power network connection verifications. This is a comprehensive resource on smart metering and a valuable read to students, researchers and engineers interested in power systems engineering, smart grids, and smart energy technologies.

Understand and deploy a sustainable alternative to mineral oils Transformers rank among the costliest and most important components in an electrical power network. Traditionally, mineral oils have been used as the primary insulating liquids for transformers, playing a crucial role in extending transformer life span. In an expanding global energy market, however, demand for sustainable alternatives to mineral oils has skyrocketed, and the search for alternative, biodegradable insulating liquids has accelerated. Electrical Discharges in Alternative Transformer Liquids is the first work of its kind to survey the available range of biodegradable insulating liquids and analyze their electrical discharging behavior. It addresses the knowledge gaps which have led to slow adoption of these insulating liquids by utility companies, despite their obvious performance benefits. The result promises to be a durable guide to monitoring transformer condition and designing transformer insulation. Readers will also find: Knowledge, behavioral observations, intrinsic aspects, various accessing parameters, and measuring methodologies concerning electrical discharges in transformer liquids Detailed discussion of topics high voltage electrical insulation, electrical machine maintenance, and more Comparative analysis of ester liquids relative to mineral oils Electrical Discharges in Alternative Transformer Liquids is ideal for researchers involved in electrical power utilities and transformer design, as well as for engineers and industry professionals in the energy industries, insulation design, and related fields.

This book provides design-oriented models for the implementation of ultra-low-voltage energy harvesting converters, covering the modeling of building blocks such oscillators, rectifiers, charge pumps and inductor-based converters that can operate with very low supply voltages, typically under 100 mV. Analyses based on the diode and MOSFET models are included in the text to allow the operation of energy harvesters from voltages of the order of 100 mV or much less, with satisfactory power efficiency. The practical realization of different converters is also addressed, clarifying the design trade-offs of ultra-low voltage (ULV) circuits operating from few millivolts.Offers readers a state-of-the-art revision for ultra-low voltage (ULV) energy harvesting converters;Provides analog IC designers with proper models for the implementation of circuits and building blocks of energy harvesters, such as oscillators, rectifiers, and inductor-based converters, operating under ultra-low voltages;Addresses the design of energy harvesters operating from ultra-low voltages, enabling autonomous operation of connected devices driven by human energy;Demonstrates design and implementation of integrated ULV up-converters;Includes semiconductor modeling for ULV operation.

Das Buch vermittelt neuartige Analyse- und Syntheseverfahren für quasi- und nichtlineare Kirchhoff-Netzwerke. Hierzu verwendet der Autor als Unternetzwerke gewöhnliche Widerstände, Kondensatoren, Spulen, Übertrager, Transistoren oder Dioden sowie die sogenannten pathologischen Unternetzwerke Nullator und Norator. Zur Analyse oder Synthese erfolgt eine Zerlegung der Gleichungen zur Beschreibung des Klemmenverhaltens in die u-i-Relationen realisierbarer Unternetzwerke sowie in Strukturgleichungen nach  Kirchhoff. Dazu kreiert Reiner Thiele neue nichtlineare Transistor- bzw. Dioden-Modelle. Außerdem zeigt er, wie durch die Applikation von Klemmen-Äquivalenzen praxisrelevante elektrische oder elektronische Schaltungen entstehen.Der InhaltFixatoren und u-i-GeneratorenFixator-Modelle von TransistorenDimensionierung gesteuerter QuellenNichtlineare Transistor- und Dioden-ModelleKlemmenverhalten gesteuerter QuellenSynthese gesteuerter QuellenResistive und dynamische Dioden-Netzwerke Die Zielgruppen Studierende und Dozierende der Fachgebiete Elektrotechnik/Elektronik und Informationstechnik/Technische Informatik sowie Technische Mathematik und PhysikIngenieurinnen und Ingenieure, die sich mit Netzberechnung und Netzwerkentwurf befassenDer AutorProf. Dr.-Ing. Reiner Thiele lehrte an der Hochschule Zittau/Görlitz und an der Staatlichen Studienakademie Bautzen.

This book explores the potential of magnetic superconductors in storage systems, specifically focusing on superconducting magnetic energy storage (SMES) systems and using the Spanish electricity system, controlled by Red Eléctrica de España (REE), as an example.The book provides a comprehensive analysis of the economic costs associated with the manufacture and maintenance of SMES systems, as well as a regulatory analysis for their implementation in the complex Spanish electrical system. The analysis also compares this system with the regulations of other countries, providing a comprehensive case study.The book examines the possible economic and environmental benefits of using magnetic superconductors in electrical systems and provides a technical study of the use of these systems in hybrid storage systems that complement each other to optimize network performance. The study is conducted from the perspective of new distribution networks, distributed generation, and the concepts of the smart city. The book also explores potential applications and developments, such as electric vehicles.Overall, this book offers an insightful and comprehensive analysis of the potential of magnetic superconductors in storage systems. It will be an invaluable resource for researchers, engineers, and policymakers interested in the future of energy storage systems

This book explores the potential of hydrogen combustion in thermal engines and serves as a foundation for future research.Hydrogen, a well-established energy carrier, has been used in internal combustion engines for centuries, but despite progress and industry interest, hydrogen engines have yet to reach mass production. In light of recent efforts to combat climate change with clean energy and environmentally-friendly technologies, the use of hydrogen in thermal engines is gaining momentum.This book examines the unique challenges of hydrogen combustion due to its wide flammability limits, high auto-ignition temperature, and high diffusivity. It reviews current knowledge on the fundamental and practical aspects of hydrogen combustion and considers current developments and potential future advancement.

Das Buch vermittelt ausgehend von den Grundlagen der Netzwerk-Theorie neuartige Analyse- und Syntheseverfahren für lineare zeitinvariante Kirchhoff-Netzwerke. Hierzu verwendet der Autor als Elementarnetzwerke gewöhnliche Widerstände, Kondensatoren und Spulen sowie die sogenannten pathologischen Unternetzwerke Nullator, Norator und Nullor. Der Nullor besteht dabei aus einem Nullator und einem Norator, wird hinsichtlich seines Klemmenverhaltens durch die Belevitch-Darstellung beschrieben und näherungsweise durch einen Operationsverstärker realisiert. Zur Analyse oder Synthese erfolgt die  Zerlegung in realisierbare Unternetzwerke mit dem Verfahren der  Singulärwert-Zerlegung von Matrizen. Außerdem zeigt Reiner Thiele, wie durch die Applikation von Klemmen-Äquivalenzen praxisrelevante elektrische oder elektronische Schaltungen entstehen.Der InhaltSpannungs-Strom-RelationenKirchhoff-GesetzeNetzwerk-EigenschaftenUnternetzwerkeAnalyse resistiver und dynamischer NetzwerkeBelevitch-DarstellungSynthese resistiver und dynamischer NetzwerkeDie ZielgruppenStudierende und Dozierende der Fachgebiete Elektrotechnik/Elektronik und Informationstechnik/Technische Informatik sowie Technische Mathematik und PhysikIngenieurinnen und Ingenieure, die sich mit Netzberechnung und Netzwerkentwurf befassenDer AutorProf. Dr.-Ing. Reiner Thiele lehrte an der Hochschule Zittau/Görlitz und an der Staatlichen Studienakademie Bautzen.

This Code of Practice provides a clear overview of EV charging equipment, as well as setting out the considerations needed prior to installation and the necessary physical and electrical installation requirements.

The comprehensive resource on measuring and improving the strength of power systems with distributed generation and loads. Covering the latest evaluation methods, best practice, case studies, and applications, the book enables researchers to advance the movement towards stable clean power systems.

Das Mehrautorenbuch hinterfragt in einer wegweisenden Zusammenstellung sowohl das vernünftigerweise Machbare als auch die Ursachen, aufgrund derer, primär im Energiesektor, das Wunschdenken nicht zum Erfolg führt. Es wird dabei verständlich gemacht, warum die erneuerbaren Energien nur selten augenblicklich die Lieferung jeglicher angeforderten Strommenge sichern können. Nur der Glaube allein an alles "Grüne", Ökologische und "Erneuerbare" wird nicht die Lösung unserer Energie- und Klimaprobleme sein.Die Problematik der Stromspeicherung, die Netzstabilität, der European Green Deal, die Nutzung von CO2, Power-to-Gas, der Kohleausstieg, die Versorgungssicherheit mit Elektroenergie, die positiven und negativen Effekte der "Erneuerbaren", das Tanken und Laden in der Mobilität und einiges mehr - all diese Themengebiete sowie die kritisch zu beurteilende Stromversorgung ohne Kernkraft werden in diesem Sachbuch ausführlich beschrieben und von ausgewiesenen Fachkundigen wissenschaftlich fundiert analysiert.Ebenso hat sich das Thema grüner Wasserstoff nicht verflüchtigt und die Kernfusion und Transmutation sind noch lange nicht vom Tisch - sie gehören nicht weniger zum "Generationenprojekt Energiewende", das eine der größten Herausforderungen der Menschheit im industriellen und postindustriellen Zeitalter darstellt.Mehr als 400 Farbgrafiken und Tabellen veranschaulichen die komplexen Sachverhalte. Außerdem erleichtern ein umfängliches Sachwort- und Personenverzeichnis das zielgenaue Auffinden der Informationen.

This book is closely related to the energy conservation problem of rail transport systems, focusing on reducing the energy consumption of train operation. The system process of train operation is analyzed and the relationship between train operation and energy consumption is introduced. The fundamental theories, modelling and application of technologies for energy-efficient train driving are presented, discussing timely topics such as energy-efficient train control and timetabling, integrated timetabling and regenerative braking, and maximizing regenerated energy usage with energy storage systems. In addition, the modelling and application of a traction power simulation platform is introduced, to calculate the detailed energy flow over a railway network. The book is enriched with a set of practical examples to illustrate the performance of the proposed methods in improving energy efficiency of both urban and long-distance trains. Overall, the book provides a timely guide to professionals in the railway industry, and to researchers and graduate students in transport, electrical and control engineering.

This book focuses on the complex topic of "e;Energy Transition with Economic Justice"e; and highlights research presented during the American Solar Energy Society's National Solar Conference (ASES SOLAR 2022) held at the University of New Mexico. This conference brings together a broad base of solar and renewable energy professionals and thought leaders, including researchers, architects, engineers, entrepreneurs, installers, manufacturers, economists, finance professionals, and policy makers, and provides a platform for the exchange of ideas, information and business insights and unbiased perspectives on progress toward greater sustainability. The conference papers explore interests of shared values and identify contentious issues in the transition towards 100% renewable energy in the United States, especially on public lands, within tribal communities, and frontier areas. 

This book collects a selection of papers presented at ELECTRIMACS 2021, the 14th international conference of the IMACS TC1 Committee, held in Nancy, France, on 16th-19th May 2022. The conference papers deal with modelling, simulation, analysis, control, power management, design optimization, identification and diagnostics in electrical power engineering. The main application fields include electric machines and electromagnetic devices, power electronics, transportation systems, smart grids, renewable energy systems, energy storage like batteries and supercapacitors, fuel cells, and wireless power transfer. The contributions included in Volume 1 will be particularly focused on electrical engineering simulation aspects and innovative applications.

This book covers cutting edge advancements on self-powered Internet of Things, where sensing devices can be energy-positive while capturing context from the physical world. It provides new mechanisms for activity recognition without the need of conventional inertial sensors, which demand significant energy during their operation and thus quickly deplete the batteries of internet-of-things (IoT) devices. The book offers new solutions by employing energy harvesters as activity sensors as well as power sources to enable the autonomous and self-powered operation of IoT devices without the need of human intervention. It provides useful content for graduate students as well as researchers to understand the nascent technologies of human activity, fitness and health monitoring using autonomous sensors. In particular, this book is very useful for people working on pervasive computing, activity recognition, wearable IoT, fitness/healthcare and autonomous systems.This book covers a broad range of topics related to self-powered activity recognition. The main topics of this book include wearables, IoT, energy harvesting, energy harvesters as sensors, activity recognition and self-powered operation of IoT devices. This book starts with the introduction of wearable IoT devices and activity recognition and then highlights the conventional activity recognition mechanisms. After that, it describes the use of energy harvesters to power the IoT devices. Later, it explores the use of various energy harvesters as activity sensors. It also proposes the use of energy harvesters as simultaneous source of energy and context information and defines the emerging concept of energy-positive sensing compared to conventional energy-negative sensing. Finally, it explores sensor/signal fusion to enhance the performance using multiple energy harvesters and charts a way forward for future research in this area. This book covers all important and emerging topics that have significance in the design and implementation of autonomous wearable IoT devices. We believe that this book will lay the foundation for designing self-powered IoT devices which can ultimately replace the conventional wearable IoT devices which need regular recharging and replacement.

This book compiles the best selected research papers presented during the 2nd International Conference on Intelligent Computing Techniques for Smart Energy Systems (ICTSES 2021), held at Manipal University, Jaipur, Rajasthan, India. It presents the diligent work of the research community where intelligent computing techniques are applied in allied fields of engineering ranging from engineering materials to electrical engineering to electronics and communication engineering- to computer-related fields. The theoretical research concepts are supported with extensive reviews highlighting the trends in the possible and real-life applications of computational intelligence. The high-quality content with broad range of the topics is thoroughly peer-reviewed and published on suitable recommendations.

Intelligent Learning Approaches for Renewable and Sustainable Energy provides a practical, systematic overview of the application of advanced intelligent control techniques, adaptive techniques, machine learning algorithms, and predictive control in renewable and sustainable energy. Sections introduce intelligent learning approaches and the roles of artificial intelligence and machine learning in terms of energy and sustainability, grid transformation, large-scale integration of renewable energy, and variability and flexibility of renewable sources. Other sections provide detailed coverage of intelligent learning techniques as applied to key areas of renewable and sustainable energy, including forecasting, supply and demand, integration, energy management, optimization, and more.This is a useful resource for researchers, scientists, advanced students, energy engineers, R&D professionals, and other industrial personnel with an interest in sustainable energy and integration of renewable energy sources, energy systems, energy engineering, machine learning, and artificial intelligence.

This timely book examines the significant challenges and possible solutions for enabling efficient modernization of electric power systems. It addresses rapidly changing electricity infrastructure needs and technical requirements and provides a practical introduction to the past, present, and future of energy efficiency and power quality concepts. The book also looks at recent developments in custom power conditioners that help improve the performance of transmission and distribution systems, ensure reliability, and reduce costs. Modernization of Electric Power Systems is a valuable resource for practicing engineers, students, and researchers interested in exploring and implementing energy efficiency and power quality in modern energy systems with renewables.

This book offers a comprehensive study concerning the reliability of renewable electricity production in the Faroe Islands. The first part reports on a RoadMap with investments in generation, storage and transmission capacity. Multiple scenarios, considering different technologies, are analysed. Practical constraints like the local resource potential, power plant locations and sizes are discussed, as well as the potential of tidal power. The second part of the book describes dynamic simulations studies carried out to investigate grid stability of the power system on the isolated island of Suðuroy. The available information about governor and automatic voltage regulators of the synchronous generators was very limited, therefore different approaches were combined to parameterise and validate the dynamic models. All in all, this book offers extensive information concerning the transition of the Faroese power system into a 100% renewable system. It ispractice-oriented, and describes methods that can be applied to other power systems as well.

Renewable Energy Integration for Bulk Power Systems: ERCOT and the Texas Interconnection looks at the practices and changes introduced in the Texas electric grid to facilitate renewable energy integration. It offers an informed perspective on solutions that have been successfully demonstrated, tested, and validated by the Electric Reliability Council of Texas (ERCOT) to meet the key challenges which engineers face in integrating increased levels of renewable resources into existing electric grids while maintaining reliability. Coverage includes renewable forecasting, ancillary services, and grid and market operations. Proved methods and their particular use scenarios, including wind, solar, and other resources like batteries and demand response, are also covered. The book focuses on a real-world context that will help practicing engineers, utility providers, and researchers understand the practical considerations for developing renewable integration solutions and inspire the future development of more innovative strategies and theoretical underpinnings.

This unique book is at the nexus of modern software programming practices and electrochemical process engineering. It is the authoritative text on developing open source software for many applications, including:*             fuel cells;*             electrolyzers; and*             batteries.Written by experts in the field in the open source computational fluid dynamics (CFD) code suite OpenFOAM, this book is intended for process engineering professionals developing practical electrochemical designs for industry, as well as researchers focused on finding tomorrow's answers today. The book covers everything from micro-scale to cell-scale to stack-scale models, with numerous illustrations and programming examples. Starting from a clear explanation of electrochemical processes and simple illustrative examples, the book progresses in complexity through a range of diverse applications. After reading this book, the reader is able to take command and control of model development as an expert. The book is aimed at all engineers and scientists with basic knowledge of calculus and programming in C++.

This book provides a comprehensive study on state-of-the-art developments in the control, operation, and market participation of active buildings (ABs). Active buildings can support the broader energy system by intelligent integration of renewable-based energy technologies for heating, cooling, electricity, and transport. This important reference analyzes the key features of modern control and operation techniques applied to these systems. Contributions from an international team of experts present practical methods with evidence and case studies from applications to real-world or simulated active buildings. Sample computer codes and analytical examples aid in the understanding of the presented methods. The book will support researchers working on the control and operation of buildings as an energy system, smart cities and smart grids, and microgrids, as well as researchers and developers from the building and energy engineering, economic, and operation research fields.Provides an in-depth review of building-level energy systems technologies;Covers codes, standards, and requirements for active building control systems;Includes sample computer code and analytical examples.

The construction sector currently accounts for a high proportion of CO2 emissions and gray energy use. This will have to change fundamentally if we are to prevent catastrophic climate change and make urban planning and construction fit for the future. In addition to a paradigm shift in how architects work, we need to rethink how they are trained in higher education. Based on a lifecycle approach and an awareness of resource consumption, this volume in the Basics series explains a wide range of climate-friendly concepts in an easy-to-understand way, inspiring readers to take a closer look at solutions and new approaches in their daily practice. The key factors involved in the various planning stages of buildings are presented and placed in the context of the overall planning. Explains a range of current sustainability concepts Foundational knowledge for all students of architecture Interdisciplinary and networked consideration of challenges and solutions in the area of climate protection

This book covers the fundamentals and applications of carbon dioxide vapor compression refrigeration thermodynamic cycles. In particular, it presents new application areas, such as making ice and snow in the Winter Olympic Games, food cooling and refrigeration. The book explores the physical and chemical characteristics of CO2 fluid, and the unique traits of its thermodynamic cycle. The contributors explain how CO2 refrigeration is a developing, eco-friendly technology, and emphasize its importance for refrigeration and air-conditioning in the current and future market.This book is a valuable source of information for researchers, engineers and policy makers looking to expand their applicable knowledge of high-potential refrigeration technology using carbon dioxide. It is also of interest to postgraduate students and practitioners looking for an academic insight into the industry¿s latest eco-friendly technologies.

This book features selected papers presented at the 2021 International Conference on Development and Application of Carbon Nanomaterials in Energetic Materials. It discusses the latest progress in the field of advance carbon nanomaterials in energetic materials; including the structural design, theoretical calculation, synthesis, properties, and applications of carbon materials. It also presents the new technology and applications of advanced carbon nanomaterials in energetic materials. It can be used as a reference book for researchers in energetic materials and related fields. It is also be useful for undergraduates and postgraduates studying these topics.

This comprehensive open access book enables readers to discover the essential techniques for load forecasting in electricity networks, particularly for active distribution networks.From statistical methods to deep learning and probabilistic approaches, the book covers a wide range of techniques and includes real-world applications and a worked examples using actual electricity data (including an example implemented through shared code). Advanced topics for further research are also included, as well as a detailed appendix on where to find data and additional reading. As the smart grid and low carbon economy continue to evolve, the proper development of forecasting methods is vital. This book is a must-read for students, industry professionals, and anyone interested in forecasting for smart control applications, demand-side response, energy markets, and renewable utilization.

This textbook is a comprehensive review of many different areas in solar-pumped lasers design and characterization. It enables readers to develop their skills in general solid-state laser design and solar collector design and provides numerous solved exercises at the end of each chapter to further this development. This book begins by introducing the brief history of solar-pumped laser and its potential applications. It explains the basic theories of imaging and non-imaging primary, secondary, and tertiary solar concentrators. It discusses solar-pumped solid-state laser theory and solar-to-laser power conversion efficiencies. There are chapters dedicated to ZEMAX and LASCAD numerical simulation tools, to help develop readers¿ skills in innovative solid-state laser design. This book is one of the first books to relate concentrated solar energy technologies to solid-state laser technologies and is therefore of interest to students, academics, engineers, and laser and optical system designers.

This book presents insights into the thermal performance of solar thermal collectors using both computational and experimental modeling. It consists of various computational and experimental case studies conducted by the authors on the solar thermal collector system. The authors begin by developing thermal modeling using a case study that shows the effect of different governing parameters. A few more experimental cases studies follow that highlight the energy, exergy, and environmental performance of the solar thermal collector system and to examine the performance of a modified solar collector system, illustrating performance improvement techniques.Finally, application of different evolutionary optimization techniques such as soft computing and evolutionary methods, like fuzzy techniques, MCDM methods like fuzzy logic based expert system (FLDS), Artificial Neural Network (ANN), Grey relational analysis (GRA), Entropy-Jaya algorithm, Entropy-VIKOR etc. are employed.

The valuable characteristics of animal waste materials in terms of climatic change impact and bioenergy production are discussed in this book. Reutilization of such wastes for bioenergy harvest is the prime focus; the great need for future animal waste recycling is also depicted.Major topics discussed are types of livestock waste ¿ poultry and dairy, methods and management of waste utilization and storage, application of animal waste in bioenergy production, economics of waste utilization, novel disposable techniques, circular bioeconomy, pollution, and water quality. Furthermore, utilization of animal waste for resource conservation and environmental protection is discussed, such as potential materials for green biochemicals. Resource recovery can, therefore, forestall the shortage of natural resources and, at the same time, can greatly reduce waste-disposal problems and energy crises. Many alternatives to waste disposal, either currently available or under study, focus on the recovery of material or energy. In a world of diminishing resources and increasing needs, each opportunity for the recycling of animal waste materials has been examined.This book significantly contributes toward climate change mitigation through better environmental solutions. A better understanding of animal waste recycling to mitigate climate changes has been portrayed in order to generate discussions among researchers and administrators. Environmental implications of animal waste are of prime importance in climate change scenario. Such wastes also harbor zoonotic pathogens that are transported in the environment.Finally, it has been tried out to collect ideas and experience in multiple aspects of animal waste management for climate change mitigation and bioenergy harvest.