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Transformers

Author : Xose M. López-Fernández
Publisher : CRC Press
ISBN 13 : 1351832395
Total Pages : 627 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Transformers by : Xose M. López-Fernández

Download or read book Transformers written by Xose M. López-Fernández and published by CRC Press. This book was released on 2017-12-19 with total page 627 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Inquiry into the Singapore Science Classroom

Author : Aik-Ling Tan
Publisher : Springer
ISBN 13 : 9814585785
Total Pages : 330 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Inquiry into the Singapore Science Classroom by : Aik-Ling Tan

Download or read book Inquiry into the Singapore Science Classroom written by Aik-Ling Tan and published by Springer. This book was released on 2014-05-19 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers an insight into the research and practices of science teaching and learning in the Singapore classroom, with particular attention paid to how they map on to science as inquiry. It provides a spectrum of Singapore’s science educational practices through all levels of its education system, detailing both successes and shortcomings. The book features a collection of research and discourse by science educators in Singapore, organized around four themes that are essential components of approaching science as inquiry: teachers’ ideas and their practices, opportunities and constraints from a systemic level, students’ competencies and readiness to learn through inquiry and the need for greater awareness of the role of informal learning avenues in science education. In addition, the discourse within each theme is enriched by commentary from a leading international academic, which helps to consolidate ideas as well as position the issues within a wider theoretical and international context. Overall, the papers set out important contexts for readers to understand the current state of science education in Singapore. They also highlight strengths and gaps in practices of science as inquiry as well as provide suggestions about how the system can be improved. These research findings are therefore helpful as they provide honest and evidence-based feedback as well as tangible and doable ideas that policy makers, teachers, students and school administrators can adopt, adapt and enhance.

MInd, the Meetings Index

Author :
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis MInd, the Meetings Index by :

Download or read book MInd, the Meetings Index written by and published by . This book was released on 1990 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Science Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 2332 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Science Abstracts by :

Download or read book Science Abstracts written by and published by . This book was released on 1993 with total page 2332 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Engineering Electrodynamics

Author : Janusz Turowski
Publisher : CRC Press
ISBN 13 : 1351831607
Total Pages : 570 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Engineering Electrodynamics by : Janusz Turowski

Download or read book Engineering Electrodynamics written by Janusz Turowski and published by CRC Press. This book was released on 2017-12-19 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to a huge concentration of electromagnetic fields and eddy currents, large power equipment and systems are prone to crushing forces, overheating, and overloading. Luckily, power failures due to disturbances like these can be predicted and/or prevented. Based on the success of internationally acclaimed computer programs, such as the authors’ own RNM-3D, Engineering Electrodynamics: Electric Machine, Transformer, and Power Equipment Design explains how to implement industry-proven modeling and design techniques to solve complex electromagnetic phenomena. Considering recent progress in magnetic and superconducting materials as well as modern methods of mechatronics and computer science, this theory- and application-driven book: Analyzes materials structure and 3D fields, taking into account magnetic and thermal nonlinearities Supplies necessary physical insight for the creation of electromagnetic and electromechanical high power equipment models Describes parameters for electromagnetic calculation of the structural parts of transformers, electric machines, apparatuses, and other electrical equipment Covers power frequency 50-60 Hz (worldwide and US) equipment applications Includes examples, case studies, and homework problems Engineering Electrodynamics: Electric Machine, Transformer, and Power Equipment Design provides engineers, students, and academia with a thorough understanding of the physics, principles, modeling, and design of contemporary industrial devices.

Computational Magnetics

Author : J. Sykulski
Publisher : Springer Science & Business Media
ISBN 13 : 9401112789
Total Pages : 386 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Computational Magnetics by : J. Sykulski

Download or read book Computational Magnetics written by J. Sykulski and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book fills the gap between theory, available computational techniques and engineering practice in the design of electrical and electromechanical machines. The theory underlying all currently recommended computational and experimental methods is covered comprehensively, including field analysis and synthesis, magnetic fields coupled to stress and thermal fields. The book is very practically oriented and includes many examples of actual solutions to real devices.

The Complete Workbook for Science Fair Projects

Author : Julianne Blair Bochinski
Publisher : John Wiley & Sons
ISBN 13 : 9780471694151
Total Pages : 144 pages
Book Rating : 4.6/5 (941 download)

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Book Synopsis The Complete Workbook for Science Fair Projects by : Julianne Blair Bochinski

Download or read book The Complete Workbook for Science Fair Projects written by Julianne Blair Bochinski and published by John Wiley & Sons. This book was released on 2004-12-15 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Your personal coach and game plan for creating a unique andaward-winning science fair project Developing a science fair project from the ground up can be adaunting task--and today's science fairs are more competitive thanever before. The Complete Workbook for Science Fair Projects takesyou step by step through the entire process of brainstorming,finding, completing, and submitting an award-winning science fairproject of your very own. The special features of this easy-to-use, interactive workbookinclude:Complete instructions and fun, meaningful exercises to helpyou develop a science fair project idea from scratchExpert adviceon choosing and researching a topic, finding a mentor, conductingan experiment, analyzing your findings, putting together a winningdisplay, and much moreInspiring stories of real projects that showhow students solved particular problems This ingenious guide also helps you prepare to deliver a top-notchoral presentation and answer questions from science fair judges.Plus, you'll find sample project journal worksheets, a handy listof scientific supply companies, and lots of space to record yourthoughts and ideas as you work on your project. Today's exciting world of science fairs and contests offers manygreat opportunities. With The Complete Workbook for Science FairProjects, you'll learn to think like a scientist and create a moreeffective, impressive science fair project--opening the door for anamazing science journey!

Proceedings of the Tenth International Conference on Soft Magnetic Materials, 11-13 September 1991, Dresden, Germany

Author :
Publisher :
ISBN 13 :
Total Pages : 812 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Proceedings of the Tenth International Conference on Soft Magnetic Materials, 11-13 September 1991, Dresden, Germany by :

Download or read book Proceedings of the Tenth International Conference on Soft Magnetic Materials, 11-13 September 1991, Dresden, Germany written by and published by . This book was released on 1992 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Teen Science Fair Sourcebook

Author : Tanya M. Vickers
Publisher : Enslow Publishing, LLC
ISBN 13 : 9780766027114
Total Pages : 168 pages
Book Rating : 4.0/5 (271 download)

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Book Synopsis Teen Science Fair Sourcebook by : Tanya M. Vickers

Download or read book Teen Science Fair Sourcebook written by Tanya M. Vickers and published by Enslow Publishing, LLC. This book was released on 2006-01-01 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides helpful tips for entering local and national science competitions.

The Finite Element Method for Electromagnetic Modeling

Author : Gérard Meunier
Publisher : John Wiley & Sons
ISBN 13 : 0470393807
Total Pages : 618 pages
Book Rating : 4.4/5 (73 download)

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Book Synopsis The Finite Element Method for Electromagnetic Modeling by : Gérard Meunier

Download or read book The Finite Element Method for Electromagnetic Modeling written by Gérard Meunier and published by John Wiley & Sons. This book was released on 2010-01-05 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by specialists of modeling in electromagnetism, this book provides a comprehensive review of the finite element method for low frequency applications. Fundamentals of the method as well as new advances in the field are described in detail. Chapters 1 to 4 present general 2D and 3D static and dynamic formulations by the use of scalar and vector unknowns and adapted interpolations for the fields (nodal, edge, face or volume). Chapter 5 is dedicated to the presentation of different macroscopic behavior laws of materials and their implementation in a finite element context: anisotropy and hysteretic properties for magnetic sheets, iron losses, non-linear permanent magnets and superconductors. More specific formulations are then proposed: the modeling of thin regions when finite elements become misfit (Chapter 6), infinite domains by using geometrical transformations (Chapter 7), the coupling of 2D and 3D formulations with circuit equations (Chapter 8), taking into account the movement, particularly in the presence of Eddy currents (Chapter 9) and an original approach for the treatment of geometrical symmetries when the sources are not symmetric (Chapter 10). Chapters 11 to 13 are devoted to coupled problems: magneto-thermal coupling for induction heating, magneto-mechanical coupling by introducing the notion of strong and weak coupling and magneto-hydrodynamical coupling focusing on electromagnetic instabilities in fluid conductors. Chapter 14 presents different meshing methods in the context of electromagnetism (presence of air) and introduces self-adaptive mesh refinement procedures. Optimization techniques are then covered in Chapter 15, with the adaptation of deterministic and probabilistic methods to the numerical finite element environment. Chapter 16 presents a variational approach of electromagnetism, showing how Maxwell equations are derived from thermodynamic principles.

Science Experiments by the Hundreds

Author : Julia H. Cothron
Publisher : Kendall Hunt
ISBN 13 : 9780757509711
Total Pages : 230 pages
Book Rating : 4.5/5 (97 download)

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Book Synopsis Science Experiments by the Hundreds by : Julia H. Cothron

Download or read book Science Experiments by the Hundreds written by Julia H. Cothron and published by Kendall Hunt. This book was released on 2004 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Conference on Computation in Electromagnetics, 25-27 November 1991

Author :
Publisher :
ISBN 13 :
Total Pages : 412 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis International Conference on Computation in Electromagnetics, 25-27 November 1991 by :

Download or read book International Conference on Computation in Electromagnetics, 25-27 November 1991 written by and published by . This book was released on 1991 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Department of the Interior and Related Agencies Appropriations for 1993: Testimony of public witnessess for Indian programs

Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies
Publisher :
ISBN 13 :
Total Pages : 1406 pages
Book Rating : 4.:/5 (46 download)

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Book Synopsis Department of the Interior and Related Agencies Appropriations for 1993: Testimony of public witnessess for Indian programs by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies

Download or read book Department of the Interior and Related Agencies Appropriations for 1993: Testimony of public witnessess for Indian programs written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies and published by . This book was released on 1992 with total page 1406 pages. Available in PDF, EPUB and Kindle. Book excerpt:

On the Move to Meaningful Internet Systems. OTM 2017 Conferences

Author : Hervé Panetto
Publisher : Springer
ISBN 13 : 3319694626
Total Pages : 792 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis On the Move to Meaningful Internet Systems. OTM 2017 Conferences by : Hervé Panetto

Download or read book On the Move to Meaningful Internet Systems. OTM 2017 Conferences written by Hervé Panetto and published by Springer. This book was released on 2017-10-19 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt: This double volumes LNCS 10573-10574 constitutes the refereed proceedings of the Confederated International Conferences: Cooperative Information Systems, CoopIS 2017, Ontologies, Databases, and Applications of Semantics, ODBASE 2017, and Cloud and Trusted Computing, C&TC, held as part of OTM 2017 in October 2017 in Rhodes, Greece. The 61 full papers presented together with 19 short papers were carefully reviewed and selected from 180 submissions. The OTM program every year covers data and Web semantics, distributed objects, Web services, databases, information systems, enterprise workflow and collaboration, ubiquity, interoperability, mobility, grid and high-performance computing.

Department of the Interior and Related Agencies Appropriations for 1991: Testimony of public witnesses for Indian programs

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Book Synopsis Department of the Interior and Related Agencies Appropriations for 1991: Testimony of public witnesses for Indian programs by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies

Download or read book Department of the Interior and Related Agencies Appropriations for 1991: Testimony of public witnesses for Indian programs written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies and published by . This book was released on 1990 with total page 1058 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Department of the Interior and Related Agencies Appropriations for 1991

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Book Synopsis Department of the Interior and Related Agencies Appropriations for 1991 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies

Download or read book Department of the Interior and Related Agencies Appropriations for 1991 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies and published by . This book was released on 1990 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hearings on Reauthorization of H.R. 6

Author : United States. Congress. House. Committee on Education and Labor. Subcommittee on Elementary, Secondary, and Vocational Education
Publisher :
ISBN 13 :
Total Pages : 684 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Hearings on Reauthorization of H.R. 6 by : United States. Congress. House. Committee on Education and Labor. Subcommittee on Elementary, Secondary, and Vocational Education

Download or read book Hearings on Reauthorization of H.R. 6 written by United States. Congress. House. Committee on Education and Labor. Subcommittee on Elementary, Secondary, and Vocational Education and published by . This book was released on 1993 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: These transcripts provide testimony regarding the reauthorization of the Elementary and Secondary Education Act (ESEA) of 1965. The first part of the transcripts presents testimony from members of national educational associations urging legislators to show a stronger commitment to helping education professionals improve their skills and to adopt a new research project to improve learning for special needs children. The major portion of the transcripts contains statements from school administrators, other experts from educational agencies and delivery systems, and legislators concerning: (1) the role of ESEA programs in school reform and the improvement of K-12 education; (2) the reauthorization and improvement of Chapters 1 and 2; (3) the Dwight D. Eisenhower Mathematics and Science Education program and techniques of successfully integrating technology into schools; (4) the need for coordinated education, health, and social services as a means of better serving young people; (5) recommendations for improving women's equity in education; and (6) issues related to the education programs for Native Americans, Alaskan Natives, and Native Hawaiians. (SM)