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Books > Professional & Technical > Energy technology & engineering > Electrical engineering > Power generation & distribution

Civil Engineering Materials - Introduction and Laboratory  Testing (Hardcover): M. Rashad Islam Civil Engineering Materials - Introduction and Laboratory Testing (Hardcover)
M. Rashad Islam
R3,686 Discovery Miles 36 860 Ships in 10 - 15 working days

Civil Engineering Materials: Introduction and Laboratory Testing discusses the properties, characterization procedures, and analysis techniques of primary civil engineering materials. It presents the latest design considerations and uses of engineering materials as well as theories for fully understanding them through numerous worked mathematical examples. The book also includes important laboratory tests which are clearly described in a step-by-step manner and further illustrated by high-quality figures. Also, analysis equations and their applications are presented with appropriate examples and relevant practice problems, including Fundamentals of Engineering (FE) styled questions as well those found on the American Concrete Institute (ACI) Concrete Field Testing Technician - Grade I certification exam. Features: Includes numerous worked examples to illustrate the theories presented Presents Fundamentals of Engineering (FE) examination sample questions in each chapter Reviews the ACI Concrete Field Testing Technician - Grade I certification exam Utilizes the latest laboratory testing standards and practices Includes additional resources for instructors teaching related courses This book is intended for students in civil engineering, construction engineering, civil engineering technology, construction management engineering technology, and construction management programs.

Electrical Power Transmission and Distribution - Aging and Life Extension Techniques (Hardcover): Bella H. Chudnovsky Electrical Power Transmission and Distribution - Aging and Life Extension Techniques (Hardcover)
Bella H. Chudnovsky
R5,795 Discovery Miles 57 950 Ships in 10 - 15 working days

Electrical distribution and transmission systems are complex combinations of various conductive and insulating materials. When exposed to atmospheric corrosive gases, contaminants, extreme temperatures, vibrations, and other internal and external impacts, these systems deteriorate, and sooner or later their ability to function properly is destroyed. Electrical Power Transmission and Distribution: Aging and Life Extension Techniques offers practical guidance on ways to slow down the aging of these electrical systems, improve their performance, and extend their life. Recognize the Signs of Aging in Equipment-and Learn How to Slow It A reference manual for engineering, maintenance, and training personnel, this book analyzes the factors that cause materials to deteriorate and explains what you can do to reduce the impact of these factors. In one volume, it brings together extensive information previously scattered among manufacturers' documentation, journal papers, conference proceedings, and general books on plating, lubrication, insulation, and other areas. Shows you how to identify the signs of equipment aging Helps you understand the causes of equipment deterioration Suggests practical techniques for protecting electrical apparatus from deterioration and damage Supplies information that can be used to develop manuals on proper maintenance procedures and choice of materials Provides numerous examples from industry This book combines research and engineering material with maintenance recommendations given in layperson's terms, making it useful for readers from a range of backgrounds. In particular, it is a valuable resource for personnel responsible for the utilization, operation, and maintenance of electrical transmission and distribution equipment at power plants and industrial facilities.

Transformer Engineering - Design, Technology, and Diagnostics (Hardcover, 2nd edition): S.V. Kulkarni, S.A. Khaparde Transformer Engineering - Design, Technology, and Diagnostics (Hardcover, 2nd edition)
S.V. Kulkarni, S.A. Khaparde
R5,838 Discovery Miles 58 380 Ships in 10 - 15 working days

Transformer Engineering: Design, Technology, and Diagnostics, Second Edition helps you design better transformers, apply advanced numerical field computations more effectively, and tackle operational and maintenance issues. Building on the bestselling Transformer Engineering: Design and Practice, this greatly expanded second edition also emphasizes diagnostic aspects and transformer-system interactions. What's New in This Edition Three new chapters on electromagnetic fields in transformers, transformer-system interactions and modeling, and monitoring and diagnostics An extensively revised chapter on recent trends in transformer technology An extensively updated chapter on short-circuit strength, including failure mechanisms and safety factors A step-by-step procedure for designing a transformer Updates throughout, reflecting advances in the field A blend of theory and practice, this comprehensive book examines aspects of transformer engineering, from design to diagnostics. It thoroughly explains electromagnetic fields and the finite element method to help you solve practical problems related to transformers. Coverage includes important design challenges, such as eddy and stray loss evaluation and control, transient response, short-circuit withstand and strength, and insulation design. The authors also give pointers for further research. Students and engineers starting their careers will appreciate the sample design of a typical power transformer. Presenting in-depth explanations, modern computational techniques, and emerging trends, this is a valuable reference for those working in the transformer industry, as well as for students and researchers. It offers guidance in optimizing and enhancing transformer design, manufacturing, and condition monitoring to meet the challenges of a highly competitive market.

Micro and Local Power Markets (Hardcover): A Sumper Micro and Local Power Markets (Hardcover)
A Sumper
R3,097 Discovery Miles 30 970 Ships in 18 - 22 working days

Introduces readers to micro and local power markets and their use for local initiatives, grid integration, and future applications This book provides the basis for understanding micro power markets, emphasizing its application for local initiatives, the grid integration of renewable-based generation, and facilitating the decarbonization of the future electrical networks. It gives readers a comprehensive overview of the market operation, and highlights the basis of the design of local and micro markets. Micro and Local Power Markets starts by covering the economics and basic principle of power markets, including the fundamentals of the power trading (for both wholesale and local markets). Following a definition of both micro and local (technical and economic aspects) power markets, the book then looks at the organization of such markets. It describes the design of those power markets, isolated from the wholesale markets, and examines the methodologies of the interaction between these power markets and wholesale markets. The book also presents cognitive business models for micro and local power markets, as well as the regulatory issues concerning them. Introduces the basic principle of power markets Defines micro and local power markets Outlines the design of micro and local power markets, including the principles, as well as the trading schemes, flexibility, and services Discusses methodologies of the interaction between micro and local power markets and wholesale markets Presents business models for micro and local power markets Summarizes regulatory issues around micro and local power markets Micro and Local Power Markets is an ideal book for upper undergraduate students in engineering, as well as for early researchers in the energy sector. It is also recommended for any scientist and engineer being introduced to the field of power systems and their organization.

Smart Grid (R)Evolution - Electric Power Struggles (Paperback): Jennie C Stephens, Elizabeth J. Wilson, Tarla Rai Peterson Smart Grid (R)Evolution - Electric Power Struggles (Paperback)
Jennie C Stephens, Elizabeth J. Wilson, Tarla Rai Peterson
R1,489 Discovery Miles 14 890 Ships in 10 - 15 working days

The term 'smart grid' has become a catch-all phrase to represent the potential benefits of a revamped and more sophisticated electricity system that can fulfil several societal expectations related to enhanced energy efficiency and sustainability. Smart grid promises to enable improved energy management by utilities and by consumers, to provide the ability to integrate higher levels of variable renewable energy into the electric grid, to support the development of microgrids, and to engage citizens in energy management. However, it also comes with potential pitfalls, such as increased cybersecurity vulnerabilities and privacy risks. Although discussions about smart grid have been dominated by technical and economic dimensions, this book takes a sociotechnical systems perspective to explore critical questions shaping energy system transitions. It will be invaluable for advanced students, academic researchers, and energy professionals in a wide range of disciplines, including energy studies, energy policy, environmental science, sustainability science and environmental engineering.

Steam Turbines for Modern Fossil-Fuel Power Plants (Hardcover): Alexander S. Leyzerovich Steam Turbines for Modern Fossil-Fuel Power Plants (Hardcover)
Alexander S. Leyzerovich
R3,530 Discovery Miles 35 300 Ships in 10 - 15 working days

Presenting the newest approaches to the design and operation of steam turbines, this book also explores modern techniques for refurbishment of aging units. It covers recent engineering breakthroughs and new approaches to transient operating conditions, as well as improved information support for operational personnel. An authoritative guide for power plant engineers, operators, owners and designers on all of these crucial developments, this book fully describes and evaluates the most important new design and operational improvement opportunities for the full spectrum of today's steam turbines a " from the newest and most advanced to the more common existing systems.

Smart Grid (R)Evolution - Electric Power Struggles (Hardcover): Jennie C Stephens, Elizabeth J. Wilson, Tarla Rai Peterson Smart Grid (R)Evolution - Electric Power Struggles (Hardcover)
Jennie C Stephens, Elizabeth J. Wilson, Tarla Rai Peterson
R3,801 R3,203 Discovery Miles 32 030 Save R598 (16%) Ships in 10 - 15 working days

The term 'smart grid' has become a catch-all phrase to represent the potential benefits of a revamped and more sophisticated electricity system that can fulfil several societal expectations related to enhanced energy efficiency and sustainability. Smart grid promises to enable improved energy management by utilities and by consumers, to provide the ability to integrate higher levels of variable renewable energy into the electric grid, to support the development of microgrids, and to engage citizens in energy management. However, it also comes with potential pitfalls, such as increased cybersecurity vulnerabilities and privacy risks. Although discussions about smart grid have been dominated by technical and economic dimensions, this book takes a sociotechnical systems perspective to explore critical questions shaping energy system transitions. It will be invaluable for advanced students, academic researchers, and energy professionals in a wide range of disciplines, including energy studies, energy policy, environmental science, sustainability science and environmental engineering.

Circuit Analysis with PSpice - A Simplified Approach (Paperback): Nassir H. Sabah Circuit Analysis with PSpice - A Simplified Approach (Paperback)
Nassir H. Sabah
R1,661 Discovery Miles 16 610 Ships in 10 - 15 working days

Electric circuits, and their electronic circuit extensions, are found in all electrical and electronic equipment; including: household equipment, lighting, heating, air conditioning, control systems in both homes and commercial buildings, computers, consumer electronics, and means of transportation, such as cars, buses, trains, ships, and airplanes. Electric circuit analysis is essential for designing all these systems. Electric circuit analysis is a foundation for all hardware courses taken by students in electrical engineering and allied fields, such as electronics, computer hardware, communications and control systems, and electric power. This book is intended to help students master basic electric circuit analysis, as an essential component of their professional education. Furthermore, the objective of this book is to approach circuit analysis by developing a sound understanding of fundamentals and a problem-solving methodology that encourages critical thinking.

Theory of Waveguides and Transmission Lines (Hardcover): Edward F. Kuester Theory of Waveguides and Transmission Lines (Hardcover)
Edward F. Kuester
R3,844 Discovery Miles 38 440 Ships in 10 - 15 working days

This book covers the principles of operation of electromagnetic waveguides and transmission lines. The approach is divided between mathematical descriptions of basic behaviors and treatment of specific types of waveguide structures. Classical (distributed-network) transmission lines, their basic properties, their connection to lumped-element networks, and the distortion of pulses are discussed followed by a full field analysis of waveguide modes. Modes of specific kinds of waveguides - traditional hollow metallic waveguides, dielectric (including optical) waveguides, etc. are discussed. Problems of excitation and scattering of waveguide modes are addressed, followed by discussion of real systems and performance.

Design of Electrical Services for Buildings (Paperback, 4th edition): Barrie Rigby Design of Electrical Services for Buildings (Paperback, 4th edition)
Barrie Rigby
R1,622 Discovery Miles 16 220 Ships in 10 - 15 working days

Electrical services are a vital component in any building, so it is necessary for construction professionals to understand the basic principle of services design. The Design of Electrical Services for Buildings aims to provide a basic grounding for students and graduates in the field. It covers methods of wiring, schemes of distribution and protection for lighting and power installations. Systems such as alarms and standby supplies are also covered. Each method is described in detail and examples of calculations are given.
For this fourth edition, the coverage of wiring and electrical regulations have been brought fully up-to-date, and the practical information has been revised.

Nonlinear Control Systems using MATLAB (R) (Hardcover): Mourad Boufadene Nonlinear Control Systems using MATLAB (R) (Hardcover)
Mourad Boufadene
R1,963 Discovery Miles 19 630 Ships in 10 - 15 working days

The development of computer software for nonlinear control systems has provided many benefits for teaching, research, and the development of control systems design. MATLAB is considered the dominant software platforms for linear and nonlinear control systems analysis. This book provides an easy way to learn nonlinear control systems such as feedback linearization technique and Sliding mode control (Structure variable control) which are one of the most used techniques in nonlinear control dynamical systems; therefore teachers-students and researchers are all in need to handle such techniques; and since they are too difficult for them to handle such nonlinear controllers especially for a more complicated systems such as induction motor, satellite, and vehicles dynamical models. Thus, this document it is an excellent resource for learning the principle of feedback linearization and sliding mode techniques in an easy and simple way: Provides a briefs description of the feedback linearization and sliding mode control strategies Includes a simple method on how to determine the right and appropriate controller (P-PI-PID) for feedback linearization control strategy. A Symbolic MATLAB Based function for finding the feedback linearization and sliding mode controllers are developed and tested using several examples. A simple method for finding the approximate sliding mode controller parameters is introduced Where the program used to construct the nonlinear controller uses symbolic computations; such that the user should provide the program with the necessary functions f(x), g(x) and h(x) using the symbolic library.

Understanding Electric Utilities and De-Regulation (Paperback, 2nd edition): H.Lee Willis, Lorrin Philipson Understanding Electric Utilities and De-Regulation (Paperback, 2nd edition)
H.Lee Willis, Lorrin Philipson
R2,125 Discovery Miles 21 250 Ships in 10 - 15 working days

Power interruptions of the scale of the North American Blackout of 2003 are rare, but they still loom as a possibility. Will the aging infrastructure fail because deregulated monopolies have no financial incentives to upgrade? Is centralized planning becoming subordinate to market forces? Understanding Electric Utilities and De-Regulation, Second Edition provides an updated, non-technical description that sheds light on the nature of the industry and the issues involved in its transition away from a regulated environment. The book begins by broadly surveying the industry, from a regulated utility structure to the major concepts of de-regulation to the history of electricity, the technical aspects, and the business of power. Then, the authors delve into the technologies and functions on which the industry operates; the many ways that power is used; and the various means of power generation, including central generating stations, renewable energy, and single-household size generators. The authors then devote considerable attention to the details of regulation and de-regulation. To conclude, one new chapter examines aging infrastructures and reliability of service, while another explores the causes of blackouts and how they can be prevented. Based on the authors' extensive experience, Understanding Electric Utilities and De-Regulation, Second Edition offers an up-to-date perspective on the major issues impacting the daily operations as well as the long-term future of the electric utilities industry.

Transformer Design Principles, Third Edition (Hardcover, 3rd edition): Robert M. Del Vecchio, Bertrand Poulin, Rajendra Ahuja,... Transformer Design Principles, Third Edition (Hardcover, 3rd edition)
Robert M. Del Vecchio, Bertrand Poulin, Rajendra Ahuja, Robert Del Vecchio, Pierre Feghali, …
R5,139 Discovery Miles 51 390 Ships in 10 - 15 working days

In the newest edition, the reader will learn the basics of transformer design, starting from fundamental principles and ending with advanced model simulations. The electrical, mechanical, and thermal considerations that go into the design of a transformer are discussed with useful design formulas, which are used to ensure that the transformer will operate without overheating and survive various stressful events, such as a lightning strike or a short circuit event. This new edition includes a section on how to correct the linear impedance boundary method for non-linear materials and a simpler method to calculate temperatures and flows in windings with directed flow cooling, using graph theory. It also includes a chapter on optimization with practical suggestions on achieving the lowest cost design with constraints.

Energy Efficiency in Motor Systems - Proceedings of the 11th international Conference EEMODS'19 (Paperback, 1st ed. 2021):... Energy Efficiency in Motor Systems - Proceedings of the 11th international Conference EEMODS'19 (Paperback, 1st ed. 2021)
Paolo Bertoldi
R5,951 Discovery Miles 59 510 Ships in 18 - 22 working days

This book contains selected, peer-reviewed papers presented at the 11th International Conference on Energy Efficiency in Motor Systems (EEMODS'19), held in Tokyo, Japan from 17-19 September 2019. As with previous conferences in this series, EEMODS'19 provided a scientific forum to discuss and debate the latest developments and impacts of electrical motor systems on energy and the environment, energy efficiency policies and programmes adopted and planned, standards (including ISO 50.001), and the technical and commercial advances made in the dissemination and penetration of energy-efficient motor systems. Topics covered include: technologies, research and innovation in the areas of electric motors from life cycle costing to 3D printing to artificial intelligence/machine learning-based monitoring systems; emerging motor technologies; power electronics and drives; pump systems, including life cycle costing, energy efficiency improvements, maintenance, and operation for industrial, water supply and treatment, building, and irrigation; compressed air systems; fans /exhaust systems; refrigeration systems maintenance and operation; mechanical power transmission; motors in household appliances and HVAC (residential and commercial); motors and drives for transport applications including policies, programmes, regulation, and international standards; industrial management policies and standards; motor system audit and verification; policies, programmes and financing: analysis of motor system energy use and greenhouse gas emissions for motor systems, e-vehicles and related charging infrastructure; harmonization of global motor efficiency test standards; evaluation of utility programmes for improving energy efficiency in motor systems; and policy implementation, market surveillance and enforcement mechanisms, including case studies. The conference is international by nature and aims to attract high quality and innovative contributions from all corners of the globe, while the papers facilitate the development of new technologies, policies and strategies to increase energy efficiency.

High-Performance Carbon-Based Optoelectronic Nanodevices (Paperback, 1st ed. 2022): Yanjie Su High-Performance Carbon-Based Optoelectronic Nanodevices (Paperback, 1st ed. 2022)
Yanjie Su
R4,666 Discovery Miles 46 660 Ships in 18 - 22 working days

This book focuses on the photoelectric nanodevices based on carbon nanostructures, such as carbon nanotubes, graphene and related heterojunctions. The synthesis of carbon nanostructures and device fabrication are simply given. The interface charge transfer and the performance enhancement in the photodetectors and solar cells are comprehensively introduced. Importantly, carbon allotropes behave as high-mobility conductors or bandgap-tunable semiconductors depending on the atomic arrangements, the direct motivation is to fabricate all-carbon nanodevices using these carbon nanomaterials as building blocks. The photoelectric nanodevices based on all-carbon nanostructures have increasingly attracted attention in the future. The book offers a valuable reference guide to carbon-based photoelectric devices for researchers and graduate school students in the field. It will also benefit all researchers who investigate photoelectric nanodevices and photoelectric conversion with relevant frontier theories and concepts.

A Practical Guide to Construction of Hydropower Facilities (Hardcover): Suchintya Kumar Sur A Practical Guide to Construction of Hydropower Facilities (Hardcover)
Suchintya Kumar Sur
R5,078 Discovery Miles 50 780 Ships in 10 - 15 working days

This book deals with the narratives of water to watt, which includes elementary conceptual design, modern planning, scheduling and monitoring systems, and extensive pre- and post-investigations pertaining to hydropower facilities. It also includes explorations to ensure aspects of dam safety evaluation, effective contract management, specialized construction management techniques, and preferred material and equipment handling systems. Special emphasis is placed upon health, safety, environmental, and risk management concepts. The book discusses a standard QA/QC system to measure and assure quality and an environmental impact assessment to reach the set target in the stipulated timeline within the approved budget. Key Features: Offers comprehensive coverage of hydro-structures and practical coverage from an industry perspective Helps readers understand complexity involved in large-scale interdisciplinary projects Provides good insights on building procedures, precautions, and project management Includes project planning, construction management and hydropower technology, QA/QC, HSE, and statutory requirements Illustrates how to integrate good constructability/buildability into good design for the best monetary value

Modeling and Control of Power Electronic Converters for Microgrid Applications (Paperback, 1st ed. 2022): Yang Han Modeling and Control of Power Electronic Converters for Microgrid Applications (Paperback, 1st ed. 2022)
Yang Han
R2,437 Discovery Miles 24 370 Ships in 18 - 22 working days

This book covers the fundamentals of power electronic converter modeling and control, digital simulation, and experimental studies in the area of renewable energy systems and AC/DC microgrid. Recent advanced control methods for voltage source inverters (VSIs) and the hierarchical controlled islanded microgrid are discussed, including the mathematical modeling, controller synthesis, parameter selection and multi-scale stability analysis, and consensus-based control strategies for the microgrid and microgrid clusters. The book will be an invaluable technical reference for practicing engineers and researchers working in the areas of renewable energy, power electronics, energy internet, and smart grid. It can also be utilized as reference book for undergraduate and postgraduate students in electrical engineering.

Analytics and Optimization for Renewable Energy Integration (Hardcover): Ning Zhang, Chongqing Kang, Ershun Du, Yi Wang Analytics and Optimization for Renewable Energy Integration (Hardcover)
Ning Zhang, Chongqing Kang, Ershun Du, Yi Wang
R5,052 Discovery Miles 50 520 Ships in 10 - 15 working days

The scope of this book covers the modeling and forecast of renewable energy and operation and planning of power system with renewable energy integration.The first part presents mathematical theories of stochastic mathematics; the second presents modeling and analytic techniques for renewable energy generation; the third provides solutions on how to handle the uncertainty of renewable energy in power system operation. It includes advanced stochastic unit commitment models to acquire the optimal generation schedule under uncertainty, efficient algorithms to calculate the probabilistic power, and an efficient operation strategy for renewable power plants participating in electricity markets.

Electrical Machine Drives - Fundamental Basics and Practice (Hardcover): Claiton Moro Franchi Electrical Machine Drives - Fundamental Basics and Practice (Hardcover)
Claiton Moro Franchi
R4,506 Discovery Miles 45 060 Ships in 10 - 15 working days

This work was developed based on the author's experience of more than 10 years working in research and industry in the areas of electrical drives and industrial automation. Seeking the connection between theory and its applications, the author presents a detailed conceptual description with lots of figures and illustrative examples that harmonize the theoretical approach with the practice. Composed of eleven chapters and three appendices, the book describes in a dynamic and didactic way the fundamental concepts related to the drives of electric machines. At the end of each chapter is a set of exercises to ease the fixation of the presented content.

The Co-evolution of Commodity Flows, Economic Geography, and Emissions (Paperback, 1st ed. 2021): Kieran Donaghy, Arash... The Co-evolution of Commodity Flows, Economic Geography, and Emissions (Paperback, 1st ed. 2021)
Kieran Donaghy, Arash Beheshtian, Ziye Zhang, Benjamin Brown-Steiner
R3,078 Discovery Miles 30 780 Ships in 18 - 22 working days

This book presents extensions to current commodity-flow models to analyze the economic and environmental impacts of recent structural changes, such as fragmentation of production and lengthening supply chains. The extensions enable augmented commodity-flow models to analyze the vulnerability of supply chains and regions to climate change and extreme weather events. The models allow the explicit treatment of trade in intermediate goods; the so-called "new economic geography" behavioral foundations for production and inter-industry and interregional trade; endogenous determination of capital investment and employment; and changes in emissions associated with production, consumption and freight movement. Presenting a modeling framework and simulations that are based on a thirty-year, spatial time-series of inter-industry and interstate trade in the US, this unique book is a valuable resource for regional scientists, economic geographers and transportation modelers, as well as environmental and atmospheric scientists.

Intelligent Fault Diagnosis and Accommodation Control (Hardcover): Sunan Huang, Kok Kiong Tan, Poi Voon Er, Tong Heng Lee Intelligent Fault Diagnosis and Accommodation Control (Hardcover)
Sunan Huang, Kok Kiong Tan, Poi Voon Er, Tong Heng Lee
R2,406 Discovery Miles 24 060 Ships in 10 - 15 working days

Control systems include many components, such as transducers, sensors, actuators and mechanical parts. These components are required to be operated under some specific conditions. However, due to prolonged operations or harsh operating environment, the properties of these devices may degrade to an unacceptable level, causing more regular fault occurrences. It is therefore necessary to diagnose faults and provide the fault-accommodation control which compensates for the fault of the component by substituting a configuration of redundant elements so that the system continues to operate satisfactorily. In this book, we present a result of several years of work in the area of fault diagnosis and fault-accommodation control. It aims at information estimate methods when faults occur. The book uses the model built from the plant or process, to detect and isolate failures, in contrast to traditional hardware or statistical technologies dealing with failures. It presents model-based learning and design technologies for fault detection, isolation and identification as well as fault-tolerant control. These models are also used to analyse the fault detectability and isolability conditions and discuss the stability of the closed-loop system. It is intended to report new technologies in the area of fault diagnosis, covering fault analysis and control strategies of design for various applications. The book addresses four main schemes: modelling of actuator or sensor faults; fault detection and isolation; fault identification, and fault reconfiguration (accommodation) control. It also covers application issues in the monitoring control of actuators, providing several interesting case studies for more application-oriented readers.

Switching Arc Phenomena in Transmission Voltage Level Vacuum Circuit Breakers (Paperback, 1st ed. 2021): Zhiyuan Liu, Jianhua... Switching Arc Phenomena in Transmission Voltage Level Vacuum Circuit Breakers (Paperback, 1st ed. 2021)
Zhiyuan Liu, Jianhua Wang, Yingsan Geng, Zhenxing Wang
R3,371 Discovery Miles 33 710 Ships in 18 - 22 working days

Vacuum circuit breakers are widely used in distribution power systems for their advantages such as maintenance free and eco-friendly. Nowadays, most circuit breakers used at transmission voltage level are SF6 circuit breakers, but the SF6 they emit is one of the six greenhouse gases defined in Kyoto Protocol. Therefore, the development of transmission voltage level vacuum circuit breaker can help the environment. The switching arc phenomena in transmission voltage level vacuum circuit breakers are key issues to explore. This book focuses on the high-current vacuum arcs phenomena at transmission voltage level, especially on the anode spot phenomena, which significantly influence the success or failure of the short circuit current interruption. Then, it addresses the dielectric recovery property in current interruption. Next it explains how to determine the closing/opening displacement curve of transmission voltage level vacuum circuit breakers based on the vacuum arc phenomena. After that, it explains how to determine key design parameters for vacuum interrupters and vacuum circuit breakers at transmission voltage level. At the end, the most challenging issue for vacuum circuit breakers, capacitive switching in vacuum, is addressed. The contents of this book will benefit researchers and engineers in the field of power engineering, especially in the field of power circuit breakers and power switching technology.

The Quality of Territorial Policies in Europe's Periphery - Urban Regeneration and Environmental Protection (Paperback,... The Quality of Territorial Policies in Europe's Periphery - Urban Regeneration and Environmental Protection (Paperback, 1st ed. 2021)
Mauro Tebaldi, Marco Calaresu
R3,956 Discovery Miles 39 560 Ships in 18 - 22 working days

This book focuses on territorial policies as instruments for local development in Europe's periphery. Using a multiple-case research design in three typical case studies in the context of the Mediterranean island of Sardinia (Italy), we empirically test the hypothesis that the institutionalisation of the governance system is an independent variable that is capable of influencing the quality of public policy, intended as a dependent variable. According to this hypothesis, the two above-mentioned variables tend to change according to a linear and direct correlation: upward variation of the degree of institutionalisation of the governance system tends to correspond to upward variation in the quality of the policy, and vice versa. In our conclusions, we discuss the descriptive and prescriptive implications of the empirical findings of the research for the local development of peripheral areas. Regarding the descriptive implications, we explain how territorial policy-making can be articulated, based on the degree of institutionalisation of the governance system and the quality of the territorial policies. Regarding the prescriptive implications, we identify the best practices for territorial governance in order to improve the chances of local development in Europe's periphery.

Noise and Vibration Mitigation for Rail Transportation Systems - Proceedings of the 13th International Workshop on Railway... Noise and Vibration Mitigation for Rail Transportation Systems - Proceedings of the 13th International Workshop on Railway Noise, 16-20 September 2019, Ghent, Belgium (Paperback, 1st ed. 2021)
Geert Degrande, Geert Lombaert, David Anderson, Paul DeVos, Pierre-Etienne Gautier, …
R5,262 Discovery Miles 52 620 Ships in 18 - 22 working days

This book reports on the 13th International Workshop on Railway Noise (IWRN13), held on September 16-20, 2019, in Ghent, Belgium. It gathers original peer-reviewed papers describing the latest developments in railway noise and vibration, as well as state-of-the-art reviews written by authoritative experts in the field. The different papers cover a broad range of railway noise and vibration topics, such as rolling noise, wheel squeal, noise perception, prediction methods, measurements and monitoring, and vehicle interior noise. Further topics include rail roughness, rail corrugation and grinding, high-speed rail and aerodynamic noise, structure-borne noise, ground-borne noise and vibration, and resilient track forms. Policy, criteria and regulation are also discussed. Offering extensive and timely information to both scientists and engineers, this book will help them in their daily efforts to identify, understand and solve problems related to railway noise and vibration, and to achieve the ultimate goal of reducing the environmental impact of railway systems.

Shepherding UxVs for Human-Swarm Teaming - An Artificial Intelligence Approach to Unmanned X Vehicles (Paperback, 1st ed.... Shepherding UxVs for Human-Swarm Teaming - An Artificial Intelligence Approach to Unmanned X Vehicles (Paperback, 1st ed. 2021)
Hussein A. Abbass, Robert A. Hunjet
R5,159 Discovery Miles 51 590 Ships in 18 - 22 working days

This book draws inspiration from natural shepherding, whereby a farmer utilizes sheepdogs to herd sheep, to inspire a scalable and inherently human friendly approach to swarm control. The book discusses advanced artificial intelligence (AI) approaches needed to design smart robotic shepherding agents capable of controlling biological swarms or robotic swarms of unmanned vehicles. These smart shepherding agents are described with the techniques applicable to the control of Unmanned X Vehicles (UxVs) including air (unmanned aerial vehicles or UAVs), ground (unmanned ground vehicles or UGVs), underwater (unmanned underwater vehicles or UUVs), and on the surface of water (unmanned surface vehicles or USVs). This book proposes how smart 'shepherds' could be designed and used to guide a swarm of UxVs to achieve a goal while ameliorating typical communication bandwidth issues that arise in the control of multi agent systems. The book covers a wide range of topics ranging from the design of deep reinforcement learning models for shepherding a swarm, transparency in swarm guidance, and ontology-guided learning, to the design of smart swarm guidance methods for shepherding with UGVs and UAVs. The book extends the discussion to human-swarm teaming by looking into the real-time analysis of human data during human-swarm interaction, the concept of trust for human-swarm teaming, and the design of activity recognition systems for shepherding. Presents a comprehensive look at human-swarm teaming; Tackles artificial intelligence techniques for swarm guidance; Provides artificial intelligence techniques for real-time human performance analysis.

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