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Electric insulators and insulation. --- Insulating materials. --- Building materials --- Bushings --- Insulation (Electric) --- Electric resistance --- Insulating materials --- Dielectrics
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Around 80% of electrical consumption in an industrialised society is used by machinery and electrical drives. Therefore, it is key to have reliable grids that feed these electrical assets. Consequently, it is necessary to carry out pre-commissioning tests of their insulation systems and, in some cases, to implement an online condition monitoring and trending analysis of key variables, such as partial discharges and temperature, among others. Because the tests carried out for analysing the dielectric behaviour of insulation systems are commonly standardised, it is of interest to have tools that simulate the real behaviour of those and their weaknesses to prevent electrical breakdowns. The aim of this book is to provide the reader with models for electrical insulation systems diagnosis.
Electric insulators and insulation --- Mathematical models. --- Testing. --- Bushings --- Insulation (Electric) --- Electric resistance --- Insulating materials --- Dielectrics --- Engineering --- Physical Sciences --- Engineering and Technology --- Electrical and Electronic Engineering --- Circuit Design
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Polycrystalline semiconductors. --- Amorphous semiconductors. --- Electric insulators and insulation. --- Bushings --- Insulation (Electric) --- Electric resistance --- Insulating materials --- Dielectrics --- Noncrystalline semiconductors --- Polycrystalline semiconductors --- Semiconductors --- Amorphous semiconductors
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This book is based on the leading German reference book on high voltage engineering. It includes innovative insulation concepts, new physical knowledge and new insulating materials, emerging techniques for testing, measuring and diagnosis, as well as new fields of application, such as high voltage direct current (HVDC) transmission. It provides an excellent access to high voltage engineering – for engineers, experts and scientists, as well as for students. High voltage engineering is not only a key technology for a safe, economic and sustainable electricity supply, which has become one of the most important challenges for modern society. Furthermore, a broad spectrum of industrial applications of high voltage technologies is used in most of the innovative fields of engineering and science. The book comprehensively covers the contents ranging from electrical field stresses and dielectric strengths through dielectrics, materials and technologies to typical insulation systems for AC, DC and impulse stresses. Thereby, the book provides a unique and successful combination of scientific foundations, modern technologies and practical applications, and it is clearly illustrated by many figures, examples and exercises. Therefore, it is an essential tool both for teaching at universities and for the users of high voltage technologies. The author Professor Dr.-Ing. Andreas Küchler is institute director at the University of Applied Sciences Würzburg-Schweinfurt, Germany. His research interests include insulation systems for DC voltages, transformers and bushings as well as condition assessment of HV equipment and industrial applications of high voltages. Prof. Küchler graduated in Electrical Engineering from the University of Karlsruhe, and he was working on pulsed-power technology in cooperation with the Karlsruhe Research Center. Then he was R&D manager of F&G Hochspannungsgeräte Porz GmbH in Cologne with responsibility for the development of bushings, capacitors and HVDC insulation systems. At university, Prof. Küchler established the interdisciplinary research field “DC technologies” and he founded the Institute of Electrical Power Engineering and High Voltage Technology. Prof. Küchler is an active member of national and international working bodies such as VDE/ETG Q2 (Materials, Insulating Systems, Diagnostics) or CIGRÉ SC A2 (Transformers) and D1 (Materials and Emerging Test Techniques).
Engineering. --- Power electronics. --- Power Electronics, Electrical Machines and Networks. --- Production of electric energy or. --- High voltages. --- Electrical engineering. --- Electric insulators and insulation. --- Bushings --- Insulation (Electric) --- Electric resistance --- Insulating materials --- Dielectrics --- Electric engineering --- Engineering --- Electromotive force --- Electronics, Power --- Electric power --- Electronics
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dielectrics --- dielectric relaxation --- ferroelectric --- piezoelectric --- multiferroics --- phase transitions and thin/thick films --- Electric insulators and insulation --- Dielectrics --- Electrical engineering --- Bushings --- Insulation (Electric) --- Electric resistance --- Insulating materials --- Materials --- Dielectrics. --- Electric insulators and insulation.
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Electric insulators and insulation --- Granular materials --- Magnetic films. --- Magnetoresistance. --- Magneto-resistance --- Electric resistance --- Galvanomagnetic effects --- Magnetic fields --- Films, Magnetic --- Magnetic materials --- Metallic films --- Bulk solids --- Materials --- Bushings --- Insulation (Electric) --- Insulating materials --- Dielectrics --- Materials. --- Electric properties.
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This book focuses on oil-paper insulation included in power transformers, especially for EHV and UHV transformers. The importance on insulation ever increased due to a growing voltage rating of transformers. Within the last decades, although research on the transformer insulation and diagnosis methods has advanced a lot, the insulation of HV transformers remained more or less unchanged. The book is divided into five chapters; the first and second chapters explain the basics of oil insulation, while the third chapter focuses on paper insulation. The final two chapters deal with the methods and outcome of testing both techniques. The primary target audience for this book is graduate students and power system engineers.
Electric insulators and insulation. --- Electric insulators and insulation --- Electric transformers. --- Oils. --- Transformers, Electric --- Electric currents --- Electric machinery --- Electric motors --- Insulating oils --- Oils, Insulating --- Transformer oil --- Mineral oils --- Oils and fats --- Bushings --- Insulation (Electric) --- Electric resistance --- Insulating materials --- Dielectrics --- Production of electric energy or. --- Power Electronics, Electrical Machines and Networks. --- Power electronics. --- Electronics, Power --- Electric power --- Electronics
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Physics --- Surfaces (Physics) --- Surface chemistry --- Metals --- Semiconductors --- Electric insulators and insulation --- Surfaces (Physique) --- Chimie des surfaces --- Métaux --- Semiconducteurs --- Isolation électrique --- Periodicals --- Surfaces --- Périodiques --- Périodiques. --- Surfaces (Mathématiques) --- Métaux --- Isolation électrique --- Périodiques. --- #TS:ABIB --- #TS:TCIT --- Chemistry --- Electrochemistry --- Electronics --- Solid State Physics --- Engineering --- General and Others --- Chemistry. --- Solid State Physics. --- Engineering. --- Physics. --- Bushings --- Insulation (Electric) --- Crystalline semiconductors --- Semi-conductors --- Semiconducting materials --- Semiconductor devices --- Metallic elements --- Electric resistance --- Insulating materials --- Dielectrics --- Crystals --- Electrical engineering --- Solid state electronics --- Chemical elements --- Ores --- Metallurgy --- Materials
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Low voltage unearthed (IT) AC and DC systems are commonly applied for supply of power and control circuits in industry, transportation, medical objects etc. The main reasons for their use are high reliability and numerous advantages offered by isolating them against ground. Insulation level is a decisive factor for networks operational reliability and safety. Insufficient insulation-to-ground resistance can cause various disturbances. Though ground faults in IT systems do not make networks operation impossible, they may cause severe problems with their safe functioning. In this book the most important issues concerning normal operation and ground fault phenomena are described in concise form. Numerous methods of insulation resistance and capacitance measurement in live circuits are presented. Important other procedures of these parameters determination based on measurement and calculation are explained and reviews of selected insulation resistance measurement devices as well as earth fault locating systems are included. This book is addressed to electrical engineers, technicians and students and may also serve as an academic handbook. The extended second edition includes several innovative methods of insulation parameters determination as well as more detailed explanations of procedures and issues. Furthermore new important problems e.g. indirect methods of insulation resistance determination and insulation resistance monitoring in networks with frequency converters are addressed as well as examples of practical applications.
Electric insulators and insulation --- Electric power distribution --- Insulation (Heat) --- Design and construction. --- Data processing. --- Thermal properties. --- Heat insulating materials --- Thermal insulation --- Heating --- Exterior walls --- Bushings --- Insulation (Electric) --- Electric resistance --- Insulating materials --- Dielectrics --- Thermal properties --- Electronics. --- Production of electric energy or. --- Physics. --- Electronics and Microelectronics, Instrumentation. --- Power Electronics, Electrical Machines and Networks. --- Physics, general. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Electrical engineering --- Microelectronics. --- Power electronics. --- Electronics, Power --- Electric power --- Electronics --- Microminiature electronic equipment --- Microminiaturization (Electronics) --- Microtechnology --- Semiconductors --- Miniature electronic equipment
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Power transfer for large systems depends on high system voltages. The basics of high voltage laboratory techniques and phenomena, together with the principles governing the design of high voltage insulation.A classic text on high voltage engineeringEntirely revised to bring you up-to-date with current practiceBenefit from expanded sections on testing and diagnostic techniques
Breakdown (Electricity). --- Electric engineering. --- Electric engineering. High voltages. Electric insulators and insulation. Breakdown (Electricity). --- Electric insulators and insulation. --- High voltages. --- Electrical engineering --- High voltages --- Electric insulators and insulation --- Breakdown (Electricity) --- Electrical Engineering --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Electrical engineering. --- Dielectric breakdown --- Electric breakdown --- Bushings --- Insulation (Electric) --- Electric engineering --- Electric discharges --- Electric resistance --- Insulating materials --- Dielectrics --- Electromotive force --- Engineering --- 621.3 --- 621.3 Electrical engineering --- General and Others
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