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Some power electronic converters are specifically designed to power equipment under a smoothed DC voltage. Therefore, the filtering part necessarily involves the use of auxiliary passive components (inductors and capacitors). This book deals with technical aspects such as classical separation between isolated and non-isolated power supplies, and soft switching through a special converter. It addresses the problem of regulating the output voltage of the switching power supplies in terms of modeling and obtaining transfer of SMPS functions.Power Electronics for Industry and Transport, Volume 3, offers a case study of an isolated flyback power which the complete design is presented: the active and passive components are sized based on the specifications initially set. Particular attention is given to the converter output capacitors and all the surrounding organs. - Introducing Essential notions in power electronics from both the theoretical and technological perspectives - Detailed chapters with a focus on switch-mode power supplies, another key area in which power electronics is used is in the supply of energy to a variety of electronic equipment for signal and information processing - Presented from a user's perspective to enable you to apply the theory of power electronics to practical applications
Power electronics is based on the switching operating mode of semiconductor components. On this basis, the concepts of type (voltage or current) and reversibility of interconnected sources make it possible to apply a methodology for the synthesis of various types of converters.Here the author presents the major types of components available, always from a user's point of view, with the gate drive/fire control and other auxiliary circuits that are required for their proper functioning (snubbers, for example). The different passive components (capacitors, coils and transformers) are discussed, as well as printed circuit technology, especially in the aspect of their design.This book also focuses on the importance of packaging by reviewing the electrical representation of components' thermal models and the currently available electronics' cooling technologies. Modeling is discussed, as well as different technological aspects used in the engineering design of an electronic power converter, useful for obtaining satisfactory performance and reliability. - Presenting the essential notions in power electronics from both the theoretical and technological perspectives - Dedicated chapters with a focus on connection rules, reversibility and impact choices of switches for converter synthesis - Presented from a user's perspective to enable you to apply the theory of power electronics to practical applications
If the operation of electronic components switching scheme to reduce congestion and losses (in power converters in general and switching power supplies in particular), it also generates electromagnetic type of pollution in its immediate environment. Power Electronics for Industry and Transport, Volume 4 is devoted to electromagnetic compatibility. It presents the sources of disturbance and the square wave signal, spectral modeling generic perturbation. Disturbances propagation mechanisms called "lumped" by couplings such as a common impedance, a parasitic capacitance or a mutual and "distributed constant", for which the spatial-temporal character must be taken into account, are also covered. This book also provides spectral analysis among other items that contain inequality Heisenberg-Gabor, very useful for understanding the spread spectrum PWM type signals. - Introducing essential notions in power electronics from both theoretical and technological perspectives - Detailed chapters with a focus on electromagnetic compatibility - Presented from a user's perspective to enable you to apply the theory of power electronics to practical applications
This book provides a comprehensive overview of power electronic converters (DC / DC, DC / AC, AC / DC and AC / AC) conventionally used in industrial and transportation applications, specifically for the supply of electric machines with variable speed drop off window. From the perspective of design and sizing, this book presents the different functions encountered in a modular way for power electronics.Power Converters and Their Control details less traditional topics such as matrix converters and multilevel converters. This book also features a case study design of an industrial controller, which is a synthesis (except the AC / AC direct conversion) of the study subjects, including sizing associated passive components. - Introducing essential notions in power electronics from both theoretical and technological perspectives - Detailed chapters focusing on power supplies for electrical machinery, including a case study of full dimensioning of an industrial variable-speed drive - Presented from a user's perspective to enable you to apply the theory of power electronics to practical applications
Through three detailed chapters, this book outlines the functions and capabilities of static converters such as sensors used in protection devices and energy storage devices with a thorough review of the technologies and applications of all these components, including monitoring aspects. The author outlines the main quantities to monitor in power converters (current, voltage and temperature) and the sensor technologies that are currently available in the market, with often experienced practical measurement problems and analog circuits allowing you to overcome these issues. - Presenting measurements and the physical phenomena, which impact the accuracy of measures - Provides and overview of the main technologies of sensors available on the market, each with their advantages and drawbacks - Protection devices are shown for all kind of failures, helping you to designing reliable converters and guarantee precision within a rigorous framework
Power Converter with Digital Filter Feedback Control presents a logical sequence that leads to the identification, extraction, formulation, conversion, and implementation for the control function needed in electrical power equipment systems. This book builds a bridge for moving a power converter with conventional analog feedback to one with modern digital filter control and enlists the state space averaging technique to identify the core control function in analytical, close form in s-domain (Laplace). It is a useful reference for all professionals and electrical engineers engaged in electrical power equipment/systems design, integration, and management. - Offers logical sequences to identification, extraction, formulation, conversion, and implementation for the control function needed - Contains step-by-step instructions on how to take existing analog designed power processors and move them to the digital realm - Presents ways to extract gain functions for many power converters' power processing stages and their supporting circuitry
Compiles current research into the analysis and design of power electronic converters for industrial applications and renewable energy systems, presenting modern and future applications of power electronics systems in the field of electrical vehicles With emphasis on the importance and long-term viability of Power Electronics for Renewable Energy this book brings together the state of the art knowledge and cutting-edge techniques in various stages of research. The topics included are not currently available for practicing professionals and aim to enable the reader to directly apply the knowledge gained to their designs. The book addresses the practical issues of current and future electric and plug-in hybrid electric vehicles (PHEVs), and focuses primarily on power electronics and motor drives based solutions for electric vehicle (EV) technologies. Propulsion system requirements and motor sizing for EVs is discussed, along with practical system sizing examples. Key EV battery technologies are explained as well as corresponding battery management issues. PHEV power system architectures and advanced power electronics intensive charging infrastructures for EVs and PHEVs are detailed. EV/PHEV interface with renewable energy is described, with practical examples. This book explores new topics for further research needed world-wide, and defines existing challenges, concerns, and selected problems that comply with international trends, standards, and programs for electric power conversion, distribution, and sustainable energy development. It will lead to the advancement of the current state-of-the art applications of power electronics for renewable energy, transportation, and industrial applications and will help add experience in the various industries and academia about the energy conversion technology and distributed energy sources. Combines state of the art global expertise to present the latest research on power electronics and its application in transportation, renewable energy and different industrial applications Offers an overview of existing technology and future trends, with discussion and analysis of different types of converters and control techniques (power converters, high performance power devices, power system, high performance control system and novel applications) Systematic explanation to provide researchers with enough background and understanding to go deeper in the topics covered in the book
This book is the result of the extensive experience the authors gained through their year-long occupation at the Faculty of Electrical Engineering at the University of Banja Luka. Starting at the fundamental basics of electrical engineering, the book guides the reader into this field and covers all the relevant types of converters and regulators. Understanding is enhanced by the given examples, exercises and solutions. Thus this book can be used as a textbook for students, for self-study or as a reference book for professionals.
Though Japan has successfully competed with U.S. companies in the manufacturing and marketing of computer hardware, it has been less successful in developing computer programs. This book contains the first detailed analysis of how Japanese firms have tried to redress this imbalance by applying their skills in engineering and production management to software development. Cusumano focuses on the creation of "software factories" in which large numbers of people are engaged in developing software in cooperative ways--i.e. individual programs are not developed in isolation but rather utilize portions of other programs already developed whenever possible, and then yield usable portions for other programs being written. Devoting chapters to working methods at System Developing Corp., Hitachi, Toshiba, NEC, and Fujitsu, and including a comparison of Japanese and U.S. software factories, Cusumano's book will be important reading for all people involved in software and computer technology, as well as those interested in Japanese business and corporate culture.
The Kenya Gazette is an official publication of the government of the Republic of Kenya. It contains notices of new legislation, notices required to be published by law or policy as well as other announcements that are published for general public information. It is published every week, usually on Friday, with occasional releases of special or supplementary editions within the week.