Download or read book Properties of Non Uniform Electric Fields that Contribute to Partial Discharges written by Ryan Richard Otte and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Partial discharges (PD) can generally be described as electrical insulation breakdown that does not fully penetrate the insulating medium between two conductors. These electrical discharges commonly occur in small voids within an insulator or at the interface between insulators. Over time, PD can degrade and damage important insulation surrounding high voltage wiring or other equipment. The primary goal of this research project is to assist the current low-pressure partial discharge detection research conducted at The Ohio State University's high voltage laboratory. The results contained herein are divided into three main parts. First, electromagnetic field simulation software has been used to identify electric field patterns that are likely to produce PD. Qualitative comparisons were made between the computer simulation software's electric field strength graphs and the corresponding location of partial discharge formation found in the laboratory's low pressure test chamber. Furthermore, the second part compares the two detection devices (an oscilloscope and specialized PD detection computer) used in the high voltage laboratory based upon PD inception voltage to ensure consistency in laboratory measurements. Finally, the PD inception voltage values measured over a wide range of pressures within the test chamber and were compared with established data points from other PD research.
Download or read book Gas Discharge and Gas Insulation written by Dengming Xiao and published by Springer. This book was released on 2015-10-01 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive overview of research on environmentally friendly insulating gases, in response to the urgent calls for developing alternatives to SF6 due to the increasing awareness of the threat it poses as a greenhouse gas. It covers gas dielectrics, SF6 and its mixtures, and potential alternative gases, providing fundamental information on gas discharge and gas insulation and especially focusing on the development of new environmentally friendly insulating gases over the last decade. The book begins by describing the insulating and arcing characteristics of SF6, followed by an introduction to the gas dielectrics performance of SF6 gas mixtures with buffer gases. The latest findings on new environmentally friendly insulating gases are described in detail, and suggestions for practical application are also provided. Graduate students and teachers involved in high-voltage and insulation engineering can use the book as teaching material. Researchers working in plasma science, laser action and related applied physics fields can also benefit from the book’s analytical approach and detailed data; engineers from the fields of electric power operation systems and electrical manufacturing will find it a valuable reference work for solving practical problems.
Download or read book Gaseous Dielectrics X written by Loucas C. Christophorou and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book contains a broad and in depth review by leading world experts of the progress and the problems of current interest in gaseous dielectrics and their use, especially as insulators in high-voltage equipment and substations. Recent advances in superconductivity for power transmission and in plasma technology are also included. The fundamental, applied and industrial research described in the book allows the electric power industry to transmit and distribute electrical energy in more efficient, safe and environmentally acceptable ways.
Download or read book Proceedings of the 21st International Symposium on High Voltage Engineering written by Bálint Németh and published by Springer Nature. This book was released on 2019-10-31 with total page 1556 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Partial Discharges PD written by Rainer Haller and published by John Wiley & Sons. This book was released on 2023-11-29 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: PARTIAL DISCHARGES (PD) — DETECTION, IDENTIFICATION AND LOCALIZATION Explore state-of-the-art partial discharge measurement techniques In Partial Discharges (PD) — Detection, Identification and Localization, a team of distinguished electrical engineers delivers a comprehensive treatment of the behavior, modeling, measurement, monitoring, localization, and evaluation of partial discharges. It includes coverage of all major advancements in the field that have occurred over the last few decades. It also discusses partial discharge phenomena, detection methods, and strategies for analyzing and processing collected data. Mechanisms of insulation failure are explored, as is the denoising of partial discharge measurement data and the localization of partial discharge in large, high-voltage equipment. Non-electric principles and procedures are discussed, and the book offers a variety of tables, figures, and photographs to illustrate the concepts discussed within. Partial Discharges(PD) also provides: A thorough introduction to the physical behavior of partial discharges, including their causes and classification Comprehensive modeling of partial discharge behavior, including classical and dipole discharges Practical discussions of the measurement of partial discharges, including the electrical method, partial discharge decoupling, and pre- and post-processing of partial discharges In-depth examinations of the monitoring of partial discharge behavior, including methods and realization Perfect for electrical engineers engaged in electrical power engineering, Partial Discharges (PD) will also earn a place in the libraries of research and development specialists employed in the manufacturing, quality testing and operation of electrical systems.
Download or read book Transformer Engineering written by S.V. Kulkarni and published by CRC Press. This book was released on 2017-12-19 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transformer Engineering: Design, Technology, and Diagnostics, Second Edition helps you design better transformers, apply advanced numerical field computations more effectively, and tackle operational and maintenance issues. Building on the bestselling Transformer Engineering: Design and Practice, this greatly expanded second edition also emphasizes diagnostic aspects and transformer-system interactions. What’s New in This Edition Three new chapters on electromagnetic fields in transformers, transformer-system interactions and modeling, and monitoring and diagnostics An extensively revised chapter on recent trends in transformer technology An extensively updated chapter on short-circuit strength, including failure mechanisms and safety factors A step-by-step procedure for designing a transformer Updates throughout, reflecting advances in the field A blend of theory and practice, this comprehensive book examines aspects of transformer engineering, from design to diagnostics. It thoroughly explains electromagnetic fields and the finite element method to help you solve practical problems related to transformers. Coverage includes important design challenges, such as eddy and stray loss evaluation and control, transient response, short-circuit withstand and strength, and insulation design. The authors also give pointers for further research. Students and engineers starting their careers will appreciate the sample design of a typical power transformer. Presenting in-depth explanations, modern computational techniques, and emerging trends, this is a valuable reference for those working in the transformer industry, as well as for students and researchers. It offers guidance in optimizing and enhancing transformer design, manufacturing, and condition monitoring to meet the challenges of a highly competitive market.
Download or read book The Proceedings of the 18th Annual Conference of China Electrotechnical Society written by Qingxin Yang and published by Springer Nature. This book was released on with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Dielectrics in Electric Fields written by Gorur G. Raju and published by CRC Press. This book was released on 2003-01-22 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines the influences of electric fields on dielectric materials and explores their distinctive behavior through well established principles of physics and engineering and recent literature on dielectrics. Facilitates understanding of the space charge phenomena in the nonuniform fields. Contains more than 800 display equations.
Download or read book Electrical Electronics Abstracts written by and published by . This book was released on 1997 with total page 2240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Experiments in High Voltage Engineering written by and published by KSUP. This book was released on with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 1198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Practical Partial Discharge Measurement on Electrical Equipment written by Greg C. Stone and published by John Wiley & Sons. This book was released on 2023-08-28 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical Partial Discharge Measurement on Electrical Equipment Accessible reference dealing with (partial discharge) PD measurement in all types of high voltage equipment using modern digital PD detectors Practical Partial Discharge Measurement on Electrical Equipment is a timely update in the field of partial discharges (PD), covering both holistic concepts and specific modern applications in one volume. The first half of the book educates the reader on what PD is and the general principles of how it is measured and interpreted. The second half of the book is similar to a handbook, with a chapter devoted to PD measurements in each type of high voltage (HV) equipment. These chapters contain specific information of the insulation system design, causes of PD in that equipment, off-line and on-line measurement methods, interpretation methods, and relevant standards. The work is authored by four well-known experts in the field of PD measurement who have published hundreds of technical papers on the subject and performed thousands of PD measurements on all the different types of HV equipment covered in the book. The authors have also had relationships with PD detector manufacturers, giving them key insights into test instruments and practical measurements. Sample topics covered in the work include: Physics of PD, discharge phenomena (contact sparking and vibration sparking), and an introduction to PD measurement (electrical, optical, acoustic, and chemical) Electrical PD detection (types of sensors), RF PD detection (antenna, TEV), and PD instrumentation and display Off-line and on-line PD measurements, general principles of PD interpretation, and laboratory PD testing of lumped test objects PD in different types of HV equipment (power cables, power transformers, air insulated metal-clad switchgear, rotating machines, gas-insulated switchgear, and more) For HV equipment OEMs, users of HV equipment, or employees of companies that provide PD testing services to clients, Practical Partial Discharge Measurement on Electrical Equipment is an essential reference to help understand general concepts about the topic and receive expert guidance during specific practical applications.
Download or read book Microbial Decontamination in the Food Industry written by Ali Demirci and published by Elsevier. This book was released on 2012-06-26 with total page 841 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of creating microbiologically-safe food with an acceptable shelf-life and quality for the consumer is a constant challenge for the food industry. Microbial decontamination in the food industry provides a comprehensive guide to the decontamination problems faced by the industry, and the current and emerging methods being used to solve them.Part one deals with various food commodities such as fresh produce, meats, seafood, nuts, juices and dairy products, and provides background on contamination routes and outbreaks as well as proposed processing methods for each commodity. Part two goes on to review current and emerging non-chemical and non-thermal decontamination methods such as high hydrostatic pressure, pulsed electric fields, irradiation, power ultrasound and non-thermal plasma. Thermal methods such as microwave, radio-frequency and infrared heating and food surface pasteurization are also explored in detail. Chemical decontamination methods with ozone, chlorine dioxide, electrolyzed oxidizing water, organic acids and dense phase CO2 are discussed in part three. Finally, part four focuses on current and emerging packaging technologies and post-packaging decontamination.With its distinguished editors and international team of expert contributors, Microbial decontamination in the food industry is an indispensable guide for all food industry professionals involved in the design or use of novel food decontamination techniques, as well as any academics researching or teaching this important subject. - Provides a comprehensive guide to the decontamination problems faced by the industry and outlines the current and emerging methods being used to solve them - Details backgrounds on contamination routes and outbreaks, as well as proposed processing methods for various commodities including fresh produce, meats, seafood, nuts, juices and dairy products - Sections focus on emerging non-chemical and non-thermal decontamination methods, current thermal methods, chemical decontamination methods and current and emerging packaging technologies and post-packaging decontamination
Download or read book High Voltage Insulation Engineering written by Ravindra Arora and published by New Age International. This book was released on 2008 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Book Covers In Detail The Behaviour Of Gaseous, Liquid And Solid Dielectrics, Including Vacuum, In Electric Fields Present In High Voltage Power Systems. Insulating Materials Are Classified According To Their Sources, Production And Applications Before Describing Their Dielectric Properties. Their Performance Under Dc, Ac And Impulse Voltages Is Described For All The Three Configurations Of Fields Defined As Uniform, Weakly Nonuniform Andextremelynonuniform.Analytical And Computational Methods Of Electric Stress Estimation In The Dielectrics As Well As Stress Control And Optimization Techniques Are Alsocovered. While Describing The Breakdown Strengths, A Distinction Is Made Between Intrinsic And Practical Strengths Of The Dielectrics. Factors Which Influence The Breakdown Have Been Emphasized. Efforts Have Been Made In Selecting Actual Measured Characteristics From The Vast Number Of Literature Referred. A Reader Would Find It Of Practical Importance.Contents Of The Book Have Been Evolved From The Graduate Level Courses Developed For The Curricula At Technische Universitat Dresden, Germany And Indian Institute Of Technology Kanpur, India. These Should Also Be Useful And Of Sufficient Interest To Engineers From Utilities And Industries Dealing With High Voltage Insulation, Besides Those Involved In Research.
Download or read book Energy Power and Automation Engineering written by Sanjay Yadav and published by Springer Nature. This book was released on with total page 931 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gaseous Dielectrics written by Loucas G. Christophorou and published by Elsevier. This book was released on 2013-09-11 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gaseous Dielectrics V presents the proceedings of the Fifth International Symposium on Gaseous Dielectrics, held in Knoxville, Tennessee on May 3–7, 1987. This book discusses the effective coupling between basic and applied research and technology achieved in this area. Organized into 12 chapters, this book begins with an overview of the status of theoretical calculations of excitation and ionization coefficients for electrons. This text then provides an extensive investigation into different phases of discharge development in electronegative gases. Other chapters consider the use of sulfur hexafluoride as a dielectric medium in rail systems and gas circuit breakers. This book reviews as well the primary requirements for a successful gas analysis program, with emphasis on measurement and interpretation methods. The final chapter deals with the progress in dielectric quality assurance of gas insulated substations (GIS), which has resulted from improved scientific knowledge of significant phenomena. This book is a valuable resource for electrical and electronics engineers.
Download or read book Conference Record of the 2002 IEEE International Symposium on Electrical Insulation written by International Symposium on Electrical Insulation and published by . This book was released on 2002 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
