Flushell A Tool For Thermal Modelling And Simulation Of Windings For Large Shell Type Power Transformers
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Flushell A Tool For Thermal Modelling And Simulation Of Windings For Large Shell Type Power Transformers
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Author : Hugo Campelo
language : en
Publisher: Springer
Release Date : 2018-01-22
Flushell A Tool For Thermal Modelling And Simulation Of Windings For Large Shell Type Power Transformers written by Hugo Campelo and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-22 with Technology & Engineering categories.
This thesis addresses a novel application of network modelling methodologies to power transformers. It develops a novel thermal model and compares its performance against that of a commercial computational fluid dynamics (CFD) code, as well as in experiments conducted in a dedicated setup built exclusively for this purpose. Hence, the thesis cross-links three of the most important aspects in high-quality research: model development, simulation and experimental validation. Network modelling is used to develop a tool to simulate the thermal performance of power transformers, widely acknowledged to be critical assets in electrical networks. After the strong de-regulation of electricity markets and de-carbonization of worldwide economies, electrical networks have been changing fast. Both asset owners and equipment manufacturers are being driven to develop increasingly accurate modelling capabilities in order to optimize either their operation or their design. Temperature is a critical parameter in every electric machine and power transformers are no exception. As such, the thesis is relevant for a wide range of stakeholders, from utilities to power transformer manufacturers, as well as researchers interested in the energy industry. It is written in straightforward language and employs a highly pedagogic approach, making it also suitable for non-experts.
Heat And Mass Transfer
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Author : Rajendra Karwa
language : en
Publisher: Springer Nature
Release Date : 2020-06-18
Heat And Mass Transfer written by Rajendra Karwa and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-18 with Science categories.
This textbook presents the classical treatment of the problems of heat transfer in an exhaustive manner with due emphasis on understanding of the physics of the problems. This emphasis will be especially visible in the chapters on convective heat transfer. Emphasis is also laid on the solution of steady and unsteady two-dimensional heat conduction problems. Another special feature of the book is a chapter on introduction to design of heat exchangers and their illustrative design problems. A simple and understandable treatment of gaseous radiation has been presented. A special chapter on flat plate solar air heater has been incorporated that covers mathematical modeling of the air heater. The chapter on mass transfer has been written looking specifically at the needs of the students of mechanical engineering. The book includes a large number and variety of solved problems with supporting line diagrams. A number of application-based examples have been incorporated where applicable. The end-of-chapter exercise problems are supplemented with stepwise answers. Though the book has been primarily designed to serve as a complete textbook for undergraduate and graduate students of mechanical engineering, it will also be useful for students of chemical, aerospace, automobile, production, and industrial engineering streams. The book fully covers the topics of heat transfer coursework and can also be used as an excellent reference for students preparing for competitive graduate examinations.
Transformers The Manga Vol 1
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Author : Ban Magami,Masumi Kaneda
language : en
Publisher: VIZ Media LLC
Release Date : 2020-03-10
Transformers The Manga Vol 1 written by Ban Magami,Masumi Kaneda and has been published by VIZ Media LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-10 with Comics & Graphic Novels categories.
In this collector's volume, the Autobots and their young friend Kenji must stand tall against the Decepticons in an interplanetary conflict! These classic stories are from the dawn of the Transformers, and this volume contains thrilling tales such as "The Great Transformer War" and "Fight! Super Robot Life-Form Transformers!"—plus an extensive art gallery! -- VIZ Media
Transformer Design Principles
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Author : Robert M. Del Vecchio
language : en
Publisher: CRC Press
Release Date : 2010-06-02
Transformer Design Principles written by Robert M. Del Vecchio and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-02 with Technology & Engineering categories.
Updating and reorganizing the valuable information in the first edition to enhance logical development, Transformer Design Principles: With Applications to Core-Form Power Transformers, Second Edition remains focused on the basic physical concepts behind transformer design and operation. Starting with first principles, this book develops the reader’s understanding of the rationale behind design practices by illustrating how basic formulae and modeling procedures are derived and used. Simplifies presentation and emphasizes fundamentals, making it easy to apply presented results to your own designs The models, formulae, and methods illustrated in this book cover the crucial electrical, mechanical, and thermal aspects that must be satisfied in transformer design. The text also provides detailed mathematical techniques that enable users to implement these models on a computer. The authors take advantage of the increased availability of electromagnetic 2D and 3D finite element programs, using them to make calculations, especially in conjunction with the impedance boundary method for dealing with eddy current losses in high-permeability materials such as tank walls. Includes new or updated material on: Multi terminal transformers Phasors and three-phase connections Impulse generators and air core reactors Methodology for voltage breakdown in oil Zig-zag transformers Winding capacitances Impulse voltage distributions Temperature distributions in the windings and oil Fault type and fault current analyses Although the book’s focus is on power transformers, the transformer circuit models presented can be used in electrical circuits, including large power grids. In addition to the standard transformer types, the book explores multi-terminal transformer models, which allow complicated winding interconnections and are often used in phase shifting and rectifying applications. With its versatile coverage of transformers, this book can be used by practicing design and utility engineers, students, and anyone else who requires knowledge of design and operational characteristics.
Transformers
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Author : Xose M. López-Fernández
language : en
Publisher: CRC Press
Release Date : 2017-12-19
Transformers written by Xose M. López-Fernández and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-19 with Technology & Engineering categories.
Recent catastrophic blackouts have exposed major vulnerabilities in the existing generation, transmission, and distribution systems of transformers widely used for energy transfer, measurement, protection, and signal coupling. As a result, the reliability of the entire power system is now uncertain, and many blame severe underinvestment, aging technology, and a conservative approach to innovation. Composed of contributions from noted industry experts around the world, Transformers: Analysis, Design, and Measurement offers invaluable information to help designers and users overcome these and other challenges associated with the design, construction, application, and analysis of transformers. This book is divided into three sections to address contemporary economic, design, diagnostic, and maintenance aspects associated with power, instrument, and high-frequency transformers. Topics covered include: Design considerations Capability to withstand short circuits Insulation problems Stray losses, screening, and local excessive heating hazard Shell type and superconducting transformers Links between design and maintenance Component-related diagnostics and reliability Economics of life-cycle cost, design review, and risk-management methods Parameter measurement and prediction This book is an essential tool for understanding and implementing solutions that will ensure improvements in the development, maintenance, and life-cycle management of optimized transformers. This will lead to enhanced safety and reliability and lower costs for the electrical supply. Illustrating the need for close cooperation between users and manufacturers of transformers, this book outlines ways to achieve man
Thermodynamics Problem Solver
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Author : The Editors of REA
language : en
Publisher: Research & Education Assoc.
Release Date : 2013-01-01
Thermodynamics Problem Solver written by The Editors of REA and has been published by Research & Education Assoc. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-01 with Study Aids categories.
REA’s Thermodynamics Problem Solver Each Problem Solver is an insightful and essential study and solution guide chock-full of clear, concise problem-solving gems. Answers to all of your questions can be found in one convenient source from one of the most trusted names in reference solution guides. More useful, more practical, and more informative, these study aids are the best review books and textbook companions available. They're perfect for undergraduate and graduate studies. This highly useful reference provides thorough coverage of pressure, work and heat, energy, entropy, first and second laws, ideal gas processes, vapor refrigeration cycles, mixtures, and solutions. For students in engineering, physics, and chemistry.
Adsorption Science And Technology
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Author : A.E. Rodrigues
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Adsorption Science And Technology written by A.E. Rodrigues and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Proceedings of the NATO Advanced Study Institute, Vimeiro, Portugal, July 17-29, 1988
Chemical Process Equipment Design
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Author : Richard Turton
language : en
Publisher: Pearson
Release Date : 2017
Chemical Process Equipment Design written by Richard Turton and has been published by Pearson this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Chemical engineering categories.
Trends such as shale-gas resource development call for a deeper understanding of chemical engineering equipment and design. Chemical Process Equipment Design complements leading texts by providing concise, focused coverage of these topics, filling a major gap in undergraduate chemical engineering education. Richard Turton and Joseph A. Shaeiwitz present relevant design equations, show how to analyze operation of existing equipment, offer a practical methodology for designing new equipment, and introduce software programs for solving common problems. Theoretical derivations are avoided in favor of working equations, practical computational strategies, and approximately eighty realistic worked examples. The authors identify which equation applies to each situation, and show exactly how to use it to design equipment. By the time undergraduates have worked through this material, they will be able to create preliminary designs for most process equipment found in a typical chemical plant that processes gases and/or liquids. They will also learn how to evaluate the performance of that equipment, even when operating conditions differ from the design case.
Optics For Dummies
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Author : Galen C. Duree, Jr.
language : en
Publisher: John Wiley & Sons
Release Date : 2011-07-12
Optics For Dummies written by Galen C. Duree, Jr. and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-12 with Technology & Engineering categories.
The easy way to shed light on Optics In general terms, optics is the science of light. More specifically, optics is a branch of physics that describes the behavior and properties of light?including visible, infrared, and ultraviolet?and the interaction of light with matter. Optics For Dummies gives you an approachable introduction to optical science, methods, and applications. You'll get plain-English explanations of the nature of light and optical effects; reflection, refraction, and diffraction; color dispersion; optical devices, industrial, medical, and military applications; as well as laser light fundamentals. Tracks a typical undergraduate optics course Detailed explanations of concepts and summaries of equations Valuable tips for study from college professors If you're taking an optics course for your major in physics or engineering, let Optics For Dummies shed light on the subject and help you succeed!
A Textbook Of Heat Transfer
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Author : Suhas P. Sukhatme
language : en
Publisher:
Release Date : 1996-01-01
A Textbook Of Heat Transfer written by Suhas P. Sukhatme and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-01-01 with categories.