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Author: Ruthard Minkner
Publisher: Springer Nature
ISBN: 3658348631
Category : Technology & Engineering
Languages : en
Pages : 254
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Book Description
Existing instrument transformer technologies as well as new measuring principles for current and voltage measurement are described in this book. The properties of conventional current and voltage transformer as well as the dimensioning are discussed in details out of the long experience of the authors. Especially the dielectric dimensioning and the used materials are discussed. Beside this an overview over new modern measuring principles is given and the technology of low-power instrument transformer, and RC-dividers are shown.
Author: Ruthard Minkner
Publisher: Springer Nature
ISBN: 3658348631
Category : Technology & Engineering
Languages : en
Pages : 254
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Book Description
Existing instrument transformer technologies as well as new measuring principles for current and voltage measurement are described in this book. The properties of conventional current and voltage transformer as well as the dimensioning are discussed in details out of the long experience of the authors. Especially the dielectric dimensioning and the used materials are discussed. Beside this an overview over new modern measuring principles is given and the technology of low-power instrument transformer, and RC-dividers are shown.
Author: Su, Charles Q.
Publisher: IGI Global
ISBN: 1466619228
Category : Technology & Engineering
Languages : en
Pages : 587
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Book Description
"This book explores relevant theoretical frameworks, the latest empirical research findings, and industry-approved techniques in this field of electromagnetic transient phenomena"--Provided by publisher.
Author: Xose M. López-Fernández
Publisher: CRC Press
ISBN: 1351832395
Category : Technology & Engineering
Languages : en
Pages : 627
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Book Description
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
Author: James H. Harlow
Publisher: CRC Press
ISBN: 020348648X
Category : Technology & Engineering
Languages : en
Pages : 506
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Book Description
Covering the fundamental theory of electric power transformers, this book provides the background required to understand the basic operation of electromagnetic induction as applied to transformers. The book is divided into three fundamental groupings: one stand-alone chapter is devoted to Theory and Principles, nine chapters individually treat majo
Author: Klaus Bohnert
Publisher: CRC Press
ISBN: 100382627X
Category : Technology & Engineering
Languages : en
Pages : 291
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Book Description
Optical Fiber Current and Voltage Sensors is the first book to provide a complete, comprehensive and up to date treatment of the domain of fiber optic and polarimetric sensors, covering fundamental operating principles, characteristics, and construction. Written by one of the most recognised experts in polarimetric sensing, Optical Fiber Current and Voltage Sensors begins by covering the fundamentals of polarized light, as well as essential sensor components. The author then goes on to outline various sensor types and their applications, with a focus on sensors for electric phenomena. The chapters then lay out the demands that sensors need to meet, the technical obstacles and limitations which need to be considered. The book also covers comparisons to corresponding traditional instruments, as well as covering alternative non-conventional sensors. This book will be of interest to a broad audience of prospective readers ranging from graduate research students, to researchers in physics and engineering fields, to industry professionals active in the field who wish to learn about the technology and/or are interested in the development of new commercial solutions based on polarimetric-type fiber sensing as well as their use for high voltage current and voltage sensing.
Author: P. k. Pattanaik
Publisher: MJP Publisher
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 407
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Book Description
1. Introduction, 2. Studies on Current Transformer, 3. Studies on Capacitive Voltage Transformer, 4. Data on Electrical System
Author:
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 434
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Book Description
Author: Roman Malaric
Publisher: Universal-Publishers
ISBN: 1612335004
Category : Technology & Engineering
Languages : en
Pages : 245
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Book Description
The inclusion of an electrical measurement course in the undergraduate curriculum of electrical engineering is important in forming the technical and scientific knowledge of future electrical engineers. This book explains the basic measurement techniques, instruments, and methods used in everyday practice. It covers in detail both analogue and digital instruments, measurements errors and uncertainty, instrument transformers, bridges, amplifiers, oscilloscopes, data acquisition, sensors, instrument controls and measurement systems. The reader will learn how to apply the most appropriate measurement method and instrument for a particular application, and how to assemble the measurement system from physical quantity to the digital data in a computer. The book is primarily intended to cover all necessary topics of instrumentation and measurement for students of electrical engineering, but can also serve as a reference for engineers and practitioners to expand or refresh their knowledge in this field.
Author: W. J. M. Moore
Publisher: IET
ISBN: 9780863411120
Category : Technology & Engineering
Languages : en
Pages : 142
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Book Description
In 1961, Moore and Miljanic in collaboration with N. L Kusters developed the current comparator, for which a patent was granted in 1964. Since that time they and their associates have applied this technique toward advancing the art of electrical measurement. The current comparator comprises a special configuration of concentric toroidal magnetic cores and windings which enable the physical realisation of a very precise ampere-turns ratio standard. It provides the basis for the precise measurement of various electrical quantities at both direct and alternating currents using current ratio techniques. Applications include the calibration of instrument transformers, measurement of the losses of high voltage capacitors and inductive reactors, measurement of the short circuit losses of large power transformers, the calibration of power and energy meters, an alternating current impedance bridge, direct current resistance measurements, the calibration of high direct current metering systems and shunts, a seven decade direct current potentiometer, and a 20 bit digital-to-analogue converter. The book presents the basic theory of the current comparator, methods of construction leading to high ratio accuracies, and the operating principles of the various applications.
Author: K.R.M. Nair
Publisher: CRC Press
ISBN: 1000342360
Category : Technology & Engineering
Languages : en
Pages : 544
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Book Description
This book is based on the author's 50+ years experience in the power and distribution transformer industry. The first few chapters of the book provide a step-by-step procedures of transformer design. Engineers without prior knowledge or exposure to design can follow the procedures and calculation methods to acquire reasonable proficiency necessary to designing a transformer. Although the transformer is a mature product, engineers working in the industry need to understand its fundamentals oand design to enable them to offer products to meet the challenging demands of the power system and the customer. This book can function as a useful guide for practicing engineers to undertake new designs, cost optimization, design automation etc., without the need for external help or consultancy. The book extensively covers the design processes with necessary data and calculations from a wide variety of transformers, including dry-type cast resin transformers, amorphous core transformers, earthing transformers, rectifier transformers, auto transformers, transformers for explosive atmospheres, and solid-state transformers. The other subjects covered include, carbon footprint salculation of transformers, condition monitoring of transformers and design optimization techniques. In addition to being useful for the transformer industry, this book can serve as a reference for power utility engineers, consultants, research scholars, and teaching faculty at universities.
