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Standing on the Shoulders of Darwin and Mendel Early Views of Inheritance

The Tower of Pisa History Construction and Geotechnical Stabilization

The Tower of Pisa History Construction and Geotechnical Stabilization

The Leaning Tower of Pisa is known worldwide for its five-degree lean. The Tower is the Campanile of the Cathedral which together with the Baptistry and Cemetery form a breath-taking collection of monuments which are regarded as supreme examples of early Renaissance Romanesque architecture. In March 1990 the Tower was closed to the public as it was declared unsafe and close to collapse. A Commission was set up by the Italian Government with the task of developing and implementing stabilization measures. This book begins with a brief description of the history of the Tower and its construction. The reader is then introduced to the huge challenges faced by the Commission in designing and implementing appropriate stabilization measures whilst at the same time satisfying the demanding requirements of conserving a world heritage monument. In particular two historical studies are described which proved to be most valuable in arriving at suitable stabilization measures. The first was a deduction of the history of inclination of the tower during and subsequent to construction. The results of this study were used to calibrate a sophisticated numerical model of the tower and the underlying very soft ground which proved vital in evaluating the effectiveness of various stabilization schemes. The second study was of measurements of movement made since 1911. This latter study revealed an unexpected mechanism of foundation movement which proved crucial in developing the temporary and permanent stabilization measures and which resulted in the Tower being re-opened to the public in June 2001. The book will appeal to both professionals and students in the fields of Architecture and Civil Engineering. It will also interest specialised audiences of geotechnical engineers and conservation architects. It may also be of wider interest to anyone planning to visit Pisa or who is intrigued as to what caused the Tower to lean and how it was stabilized. | The Tower of Pisa History Construction and Geotechnical Stabilization

GBP 54.99
1

Power Quality

GBP 59.99
1

DC Power Supplies Power Management and Surge Protection for Power Electronic Systems

DC Power Supplies Power Management and Surge Protection for Power Electronic Systems

As we increasingly use electronic devices to direct our daily lives so grows our dependence on reliable energy sources to power them. Because modern electronic systems demand steady efficient reliable DC voltage sources—often at a sub-1V level—commercial AC lines batteries and other common resources no longer suffice. New technologies also require intricate techniques to protect against natural and manmade disasters. Still despite its importance practical information on this critical subject remains hard to find. Using simple accessible language to balance coverage of theoretical and practical aspects DC Power Supplies Power Management and Surge Protection details the essentials of power electronics circuits applicable to low-power systems including modern portable devices. A summary of underlying principles and essential design points it compares academic research and industry publications and reviews DC power supply fundamentals including linear and low-dropout regulators. Content also addresses common switching regulator topologies exploring resonant conversion approaches. Coverage includes other important topics such as: Control aspects and control theory Digital control and control ICs used in switching regulators Power management and energy efficiency Overall power conversion stage and basic protection strategies for higher reliability Battery management and comparison of battery chemistries and charge/discharge management Surge and transient protection of circuits designed with modern semiconductors based on submicron dimension transistors This specialized design resource explores applicable fundamental elements of power sources with numerous cited references and discussion of commercial components and manufacturers. Regardless of their previous experience level this information will greatly aid designers researchers and academics who study design and produce the viable new power sources needed to propel our modern electronic world. | DC Power Supplies Power Management and Surge Protection for Power Electronic Systems

GBP 74.99
1

Power System Capacitors

Power System Capacitors

Since transmitting reactive power over long distances is not feasible power systems integrate power factor correction capacitors to provide local reactive power compensation. With a wide range of options available and with the tremendous changes that have occurred over the past few decades a comprehensive up-to-date book on power factor capacitors is long overdue. Power System Capacitors fills this void by providing the fundamentals applications protection issues and system impacts for a broad spectrum of capacitor applications. Power System Capacitors guides you through the practical installations with easy-to-follow step-by-step instructions. The author describes the fundamentals of capacitors focused on the power factor correction industry standards capacitor specifications protection of shunt capacitors maintenance of capacitor banks and system impact issues. He also discusses the selection of supporting equipment such as fuses circuit breakers and surge arresters; includes more than 290 illustrations 90 tables and 400 equations; and explains how to perform an economic analysis. Offering up-to-date computer-aided analysis approaches along with fundamental concepts maintenance concerns and economic analysis Power System Capacitors steers you through the selection design installation and maintenance of power factor correction capacitors used in modern power systems. This is a valuable tool for any power system engineer in industry utilities consulting and practical power system evaluation.

GBP 59.99
1

Telecom Power Systems

Elements of Power Systems

Power Engineering Advances and Challenges Part B: Electrical Power

Power Engineering Advances and Challenges Part B: Electrical Power

Traditionally power engineering has been a subfield of energy engineering and electrical engineering which deals with the generation transmission distribution and utilization of electric power and the electrical devices connected to such systems including generators motors and transformers. Implicitly this perception is associated with the generation of power in large hydraulic thermal and nuclear plants and distributed consumption. Faced with the climate change phenomena humanity has had to now contend with changes in attitudes in respect of environment protection and depletion of classical energy resources. These have had consequences in the power production sector already faced with negative public opinions on nuclear energy and favorable perception of renewable energy resources and about distributed power generation. The objective of this edited book is to review all these changes and to present solutions for future power generation. Future energy systems must factor in the changes and developments in technology like improvements of natural gas combined cycles and clean coal technologies carbon dioxide capture and storage advancements in nuclear reactors and hydropower renewable energy engineering power-to-gas conversion and fuel cells energy crops new energy vectors biomass-hydrogen thermal energy storage new storage systems diffusion modern substations high voltage engineering equipment and compatibility HVDC transmission with FACTS advanced optimization in a liberalized market environment active grids and smart grids power system resilience power quality and cost of supply plug-in electric vehicles smart metering control and communication technologies new key actors as prosumers smart cities. The emerging research will enhance the security of energy systems safety in operation protection of environment improve energy efficiency reliability and sustainability. The book reviews current literature in the advances innovative options and solutions in power engineering. It has been written for researchers engineers technicians and graduate and doctorate students interested in power engineering. | Power Engineering Advances and Challenges Part B: Electrical Power

GBP 44.99
1

Integrated Power Devices and TCAD Simulation

Power Cable Technology

Three-Phase Electrical Power

Island Power Systems

Island Power Systems

A major concern of island power systems is frequency stability. A power system is said to be frequency stable if its generators are able to supply their loads at a frequency within acceptable limits after a disturbance. Frequency instability occurs if load-generation imbalances are not corrected in appropriate manner and time. Since island power systems are more sensitive to frequency instability than large ones due to the smaller number of generators online and the lower inertia they require a larger amount of primary reserve per generator. This book provides a worldwide overview of island power systems describing their main features and issues. Split into two parts the first part examines the technical operation and in particular frequency stability of island power systems and its technical solutions including more efficient underfrequency load-shedding schemes. The chapters explore both conventional and advanced load-shedding schemes and consider the improvement of these schemes by making them more robust and efficient. Advanced devices are modelled and analyzed to enhance frequency stability and reduce the need for load shedding. In the second part the economic operation of island power systems is explored in detail. For that purpose regulations and economic operations (centralized vs. market scheme) are reviewed by the authors. The authors discuss models for renewable energy sources and for advanced devices and systems such as demand-side management energy storage systems and electric vehicles. This book will be critical reading to all researchers and professionals in power system planning and engineering electrical/power delivery RES and control engineering. It will also be of interest to researchers in signal processing and telecommunications and renewable energy as well as power system utility providers.

GBP 44.99
1

SPICE for Power Electronics and Electric Power

SPICE for Power Electronics and Electric Power

Power electronics can be a difficult course for students to understand and for professors to teach. Simplifying the process for both SPICE for Power Electronics and Electric Power Third Edition illustrates methods of integrating industry standard SPICE software for design verification and as a theoretical laboratory bench. Helpful PSpice Software and Program Files Available for Download Based on the author Muhammad H. Rashid’s considerable experience merging design content and SPICE into a power electronics course this vastly improved and updated edition focuses on helping readers integrate the SPICE simulator with a minimum amount of time and effort. Giving users a better understanding of the operation of a power electronics circuit the author explores the transient behavior of current and voltage waveforms for each and every circuit element at every stage. The book also includes examples of all types of power converters as well as circuits with linear and nonlinear inductors. New in this edition: Student learning outcomes (SLOs) listed at the start of each chapter Changes to run on OrCAD version 9. 2 Added VPRINT1 and IPRINT1 commands and examples Notes that identify important concepts Examples illustrating EVALUE GVALUE ETABLE GTABLE ELAPLACE GLAPLACE EFREQ and GFREQ Mathematical relations for expected outcomes where appropriate The Fourier series of the output voltages for rectifiers and inverters PSpice simulations of DC link inverters and AC voltage controllers with PWM control This book demonstrates techniques of executing power conversions and ensuring the quality of the output waveforms rather than the accurate modeling of power semiconductor devices. This approach benefits students enabling them to compare classroom results obtained with simple switch models of devices. In addition a new chapter covers multi-level converters. Assuming no prior knowledge of SPICE or PSpice simulation the text provides detailed step-by-step instructions on how to draw a schematic of a circuit execute simulations and view or plot the output results. It also includes suggestions for laboratory experiments and design problems that can be used for student homework assignments.

GBP 74.99
1

Power Management Integrated Circuits

Power Electronics Basics Operating Principles Design Formulas and Applications

Power Electronics and Motor Drives

Power Electronics and Motor Drives

The Industrial Electronics Handbook Second Edition combines traditional and newer more specialized knowledge that will help industrial electronics engineers develop practical solutions for the design and implementation of high-power applications. Embracing the broad technological scope of the field this collection explores fundamental areas including analog and digital circuits electronics electromagnetic machines signal processing and industrial control and communications systems. It also facilitates the use of intelligent systems—such as neural networks fuzzy systems and evolutionary methods—in terms of a hierarchical structure that makes factory control and supervision more efficient by addressing the needs of all production components. Enhancing its value this fully updated collection presents research and global trends as published in the IEEE Transactions on Industrial Electronics Journal one of the largest and most respected publications in the field. Power Electronics and Motor Drives facilitates a necessary shift from low-power electronics to the high-power varieties used to control electromechanical systems and other industrial applications. This volume of the handbook: Focuses on special high-power semiconductor devices Describes various electrical machines and motors their principles of operation and their limitations Covers power conversion and the high-efficiency devices that perform the necessary switchover between AC and DC Explores very specialized electronic circuits for the efficient control of electric motors Details other applications of power electronics aside from electric motors—including lighting renewable energy conversion and automotive electronics Addresses power electronics used in very-high-power electrical systems to transmit energy Other volumes in the set: Fundamentals of Industrial Electronics Control and Mechatronics Industrial Communication Systems Intelligent Systems

GBP 52.99
1

Zero Emissions Power Cycles

Power Quality Issues Current Harmonics

Power Quality Issues Current Harmonics

Power Quality Issues: Current Harmonics provides solutions for the mitigation of power quality problems related to harmonics. Focusing on active power filters (APFs) due to their excellent harmonic and reactive power compensation in two-wire (single phase) three-wire (three-phase without neutral) and four-wire (three-phase with neutral) AC power networks with nonlinear loads the text:Introduces the APF technology describing various APF configurations and offering guidelines for the selection of APFs for specific application considerationsCompares shunt active filter (SHAF) control strategies for extracting three-phase reference currents evaluating their performance under a number of source voltage conditions using a proportional-integral (PI) controllerPresents PI controller-based SHAF instantaneous active and reactive power (p-q) and instantaneous active and reactive current (Id-Iq) control strategies supplying detailed MATLAB®/Simulink simulation resultsProposes SHAF control strategies using type 1 and type 2 fuzzy logic controllers (FLCs) with different fuzzy membership functions (MFs) analyzing their harmonic mitigation and DC link voltage regulationVerifies the proposed type 2 FLC-based SHAF control strategies with trapezoidal triangular and Gaussian fuzzy MFs using RT-LAB a real-time digital simulation software from OPAL-RT TechnologiesPower Quality Issues: Current Harmonics is a useful resource for those tackling electrical power quality challenges. The compensation techniques described in this book alleviate harmonic issues that can distort voltage waveforms fry a building’s wiring trigger nuisance tripping overheat transformer units and cause random end-user equipment failure. | Power Quality Issues Current Harmonics

GBP 44.99
1

Principles of Power Engineering Analysis

Electric Power Distribution Equipment and Systems

Electric Power Distribution Equipment and Systems

Power distribution and quality remain the key challenges facing the electric utilities industry. Choosing the right equipment and architecture for a given application means the difference between success and failure. Comprising chapters carefully selected from the best-selling Electric Power Distribution Handbook Electric Power Distribution Equipment and Systems provides an economical sharply focused reference on the technologies and infrastructures that enable reliable efficient distribution of power from traversing vast distances to local power delivery. The book works inward from broad coverage of overall power systems all the way down to specific equipment application. It begins by laying a foundation in the fundamentals of distribution systems explaining configurations substations loads and differences between European and US systems. It also includes a look at the development of the field as well as future problems and challenges to overcome. Building on this groundwork the author elaborates on both overhead and underground distribution networks including the underlying concepts and practical issues associated with each. Probing deeper into the system individual chapters explore transformers voltage regulation and capacitor application in detail from basic principles to operational considerations. With clear explanations and detailed information Electric Power Distribution Equipment and Systems gathers critical concepts technologies and applications into a single source that is ideally suited for immediate implementation.

GBP 59.99
1

Power System Fundamentals

High Power Microwaves

Power System Transients Modelling Simulation and Applications

Power System Transients Modelling Simulation and Applications

In this textbook a variety of transient cases that have occurred or are possible to occur in power systems are discussed and analyzed. It starts by categorizing transients’ phenomena and specifying unfavorable situations in power systems raised by transients. It then moves on to different protective measures that have been implemented in the system to prevent disasters caused by those transients. It also explains different methodologies used to analyze transients in power systems. This book discusses the modeling of components very extensively and provides analysis cases to assess a wide variety of transients their possible effects on the system and the types of protection commonly used for each case along with methods fordesigning a sound protection system. FEATURES • Detailed models of system components along with power systems computer- aided design (PSCAD) implementation and analysis • Comprehensive reference of transient cases in power systems along with design considerations and protective solutions • The cases are not limited to classical transients such as lightning strikes and switching but rather the book discusses transient cases that power system operators and engineers have to deal with such as ferroresonance in detail accompanied by computer simulations • A chapter on original materials related to transformer windings with induced traveling waves Power System Transients: Modelling Simulation and Applications provides a comprehensive resource to mainly educate graduate students in the area of power system transients. It also serves as a reference for industry engineers challenged by transient problems in the system. . | Power System Transients Modelling Simulation and Applications

GBP 74.99
1

Shipboard Propulsion Power Electronics and Ocean Energy

Shipboard Propulsion Power Electronics and Ocean Energy

Shipboard Propulsion Power Electronics and Ocean Energy fills the need for a comprehensive book that covers modern shipboard propulsion and the power electronics and ocean energy technologies that drive it. With a breadth and depth not found in other books it examines the power electronics systems for ship propulsion and for extracting ocean energy which are mirror images of each other. Comprised of sixteen chapters the book is divided into four parts: Power Electronics and Motor Drives explains basic power electronics converters and variable-frequency drives cooling methods and quality of power Electric Propulsion Technologies focuses on the electric propulsion of ships using recently developed permanent magnet and superconducting motors as well as hybrid propulsion using fuel cell photovoltaic and wind power Renewable Ocean Energy Technologies explores renewable ocean energy from waves marine currents and offshore wind farms System Integration Aspects discusses two aspects—energy storage and system reliability—that are essential for any large-scale power system This timely book evolved from the author’s 30 years of work experience at General Electric Lockheed Martin and Westinghouse Electric and 15 years of teaching at the U. S. Merchant Marine Academy. As a textbook it is ideal for an elective course at marine and naval academies with engineering programs. It is also a valuable reference for commercial and military shipbuilders port operators renewable ocean energy developers classification societies machinery and equipment manufacturers researchers and others interested in modern shipboard power and propulsion systems. The information provided herein does not necessarily represent the view of the U. S. Merchant Marine Academy or the U. S. Department of Transportation. This book is a companion to Shipboard Electrical Power Systems (CRC Press 2011) by the same author.

GBP 74.99
1

Power System Protective Relaying