Impulse Breakdown of Liquids


Book Description

The book describes the main physical processes and phenomena in pulsed electric breakdown. The knowledge and the control of the electric breakdown of liquids is important not only for the insulation inside power systems but it is also used for the creation and information of high voltage and high current pulses. Such high-voltage micro- and nanosecond pulses find wide application in experimental physics, electro discharge technology, physics of dielectrics, radar detection and ranging, high-speed photography.




Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems


Book Description

A comprehensive reference and guide on the usage of the alternative dielectric fluids for transformer insulation systems Liquid-filled transformers are one of the most important and expensive components involved in the transmission and distribution of power to industrial and domestic loads. Although petroleum-based insulating oils have been used in transformers for decades, recent environmental concerns, health and safety considerations, and various technical factors have increased the need for new alternative and biodegradable liquids. Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems is an up-to-date reference and guide on natural and synthetic ester-based biodegradable insulating liquids. Covering the operational behavior, performance analysis, and maintenance of transformers filled with biodegradable insulating liquids, this comprehensive resource helps researchers and utility engineers expand their knowledge of the benefits, challenges, and application of ester-filled transformers. In-depth chapters written by experienced researchers addresses critical topics including transformer condition monitoring, high voltage insulation testing, biodegradable insulating material processing and evaluation, and more. A unique and significant contribution to existing literature on the subject, this authoritative volume: • Covers condition monitoring, diagnostic testing, applications, maintenance, and in-service experiences • Explores current challenges and future prospects of ester-filled transformers • Discusses significant research progress and identifies the topics in need of further emphasis • Compares the differences and similarities between mineral oils and ester liquids • Includes in-depth behavioral observations and performance analysis of ester-based insulating liquids Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems: Performance Analysis and Applications is a must-have reference for utility engineers, electrical power utilities, transformer owners, manufacturers, and researchers.




Gaseous Dielectrics VI


Book Description

The Sixth International Symposium on Gaseous Dielectrics was held in Knoxville, Tennessee, U.S.A., on September 23-27, 1990. The symposium continued the trans disciplinary character and comprehensive approach of the preceding five symposia. Gaseous Dielectrics VI is a detailed record of the symposium proceedings. It covers recent advances and developments in a wide range of basic, applied and industrial areas of gaseous dielectrics. It is hoped that Gaseous Dielectrics VI will aid future research and development in and encourage wider industrial use of gaseous dielectrics. The Organizing Committee of the Sixth International Symposium on Gaseous Dielectrics consisted of L. G. Christophorou (U.S.A.), F. Y. Chu (Canada), A. H. Cookson (U.S.A.), D. L. Damsky (U.S.A.), O. Farish (U.K.), I. Gallimberti (Italy), A. Garscadden (U.S.A.), E. Marode (France), T. Nitta (Japan), W. Pfeiffer (Germany), I. Sauers (U.S.A.), R. J. Van Brunt (U.S.A.), and W. Zaengl (Switzerland). The local arrangements committee consisted of members of the Health and Safety Research Division and personnel of the Conference Office of the Oak Ridge National Laboratory, and staff of the University of Tennessee (UTK). The contributions of each member of these committees, the work of the Session Chairmen, the interest of the participants, and the advice of innumerable colleagues are gratefully acknowledged.




Engineering Dielectric Liquid Applications


Book Description

This book is a printed edition of the Special Issue "Engineering Dielectric Liquid Applications" that was published in Energies




Processing of Food Products and Wastes with High Voltage Electrical Discharges


Book Description

Processing of Food Products and Wastes with High Voltage Electrical Discharges presents basic knowledge on HVED technology, focusing on the mechanisms, related phenomena and effects, equipment design, methods and examples of application. Divided in three parts, the book covers the advantages and restrictions of HVED technology for the treatment of numerous specific food products, by-products and wastes, such as grape, oilseed, citrus by-products and wastes, lignocellulosic and algal biomass, meat and bacterias. This book act as a comprehensive resource for researchers to be able to use the data for the dimensioning of HVED and processing equipment and finding the optimal treatment parameters. - Presents basic knowledge about the mechanisms of this treatment in direct and indirect modes - Contains equipment specifications, process parameters and types of the products - Brings numerous examples of applications classified by types of food and products treated by HVED - Presents optimal HVED regimes to enhance food and biomass processing




Electro-discharge Technology for Drilling Wells and Concrete Destruction


Book Description

This book provides a concise introduction to the physical foundations of the electro-discharge technology and applies it to the drilling of wells, the demolition of reinforced concrete objects, and the cutting of cracks in rocks and concrete. The electro-physical basis of this technology and the technical implementation of using spark discharge as a “working tool” in the above-mentioned contexts are also briefly considered. The book is intended for all scientists and experts working in the field of resource exploration and extraction, those engaged in building new objects, and in reconstructing or demolishing old ones. It can also be used as a textbook by students and postgraduates, deepening their knowledge of these innovative technologies.




Liquid State Electronics of Insulating Liquids


Book Description

Under certain conditions, liquids that usually do not conduct electrical currents become conductors, a phenomenon that is of interest to scientists in several different fields. In Liquid State Electronics of Insulating Liquids, one of the world's leading experts in dielectric liquids discusses the theoretical basis and the experiments on electronic conduction in nonpolar liquids. It provides a sound description of the concepts involved in electronic and ionic charge transport in these liquids. This text also includes experimental techniques that graduate students, university researchers, and laboratory scientists will all find useful. Data tables provide first-order information on the magnitude of relevant quantities.




Proceedings of the 21st International Symposium on High Voltage Engineering


Book Description

High voltage engineering is extremely important for the reliable design, safe manufacture and operation of electric devices, equipment and electric power systems. The 21st International Symposium on High Voltage Engineering, organized by the 90 years old Budapest School of High Voltage Engineering, provides an excellent forum to present results, advances and discussions among engineers, researchers and scientists, and share ideas, knowledge and expertise on high voltage engineering. The proceedings of the conference presents the state of the art technology of the field. The content is simultaneously aiming to help practicing engineers to be able to implement based on the papers and researchers to link and further develop ideas.




Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems


Book Description

A comprehensive reference and guide on the usage of the alternative dielectric fluids for transformer insulation systems Liquid-filled transformers are one of the most important and expensive components involved in the transmission and distribution of power to industrial and domestic loads. Although petroleum-based insulating oils have been used in transformers for decades, recent environmental concerns, health and safety considerations, and various technical factors have increased the need for new alternative and biodegradable liquids. Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems is an up-to-date reference and guide on natural and synthetic ester-based biodegradable insulating liquids. Covering the operational behavior, performance analysis, and maintenance of transformers filled with biodegradable insulating liquids, this comprehensive resource helps researchers and utility engineers expand their knowledge of the benefits, challenges, and application of ester-filled transformers. In-depth chapters written by experienced researchers addresses critical topics including transformer condition monitoring, high voltage insulation testing, biodegradable insulating material processing and evaluation, and more. A unique and significant contribution to existing literature on the subject, this authoritative volume: • Covers condition monitoring, diagnostic testing, applications, maintenance, and in-service experiences • Explores current challenges and future prospects of ester-filled transformers • Discusses significant research progress and identifies the topics in need of further emphasis • Compares the differences and similarities between mineral oils and ester liquids • Includes in-depth behavioral observations and performance analysis of ester-based insulating liquids Alternative Liquid Dielectrics for High Voltage Transformer Insulation Systems: Performance Analysis and Applications is a must-have reference for utility engineers, electrical power utilities, transformer owners, manufacturers, and researchers.




Insulation of High-Voltage Equipment


Book Description

High-voltage electrophysical systems used for research in physics are becoming more and more common in engineering applications, as electrical insulation comprises one of the most important constituent components. This is the first monograph dealing comprehensively and on a scientific level with the insulation of such systems. In the first part of the book, the operating conditions and necessary requirements are analyzed, while the main insulation types are outlined. The second part describes the short- and long-term strengths of vacuums and gases, as well as liquid, solid, and hybrid dielectrics as functions of various influencing factors. The third and last part is devoted to the design of high-voltage insulation systems. The knowledge provided by this book will be useful to physicists designing experimental high-voltage devices as well as to electrical engineers in high-voltage technology, electrical insulation, and cable industries.