Influence of Contamination and Structural Defects

Contamination of the interelectrode medium and electrodes by free or loosely bound particles reduces their electric strength via several effects, including: a microdischarge between the electrode and an oncoming particle which initiates breakdown between

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Springer-Verlag Berlin Heidelberg GmbH

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v. Y. Ushakov

Insulation of High-Voltage Equipment With 226 Figures

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Springer

Prof. Vasily Y. Ushakov Tomsk Poytechnic University Lenin Ave. 30 634034 Tomsk Russia

Cataloging-in-Publication Data applied for Bibliographic information published by Die Deutsche Bibliothek Die Deutsche Bibliothek lists this publication in the Deutsche Nationalbibliografie; detailed bibliographic data is available in the Internet at

ISBN 978-3-642-05853-0 ISBN 978-3-662-07918-8 (eBook) DOI 10.1007/978-3-662-07918-8 This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in other ways, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag Berlin Heidelberg GmbH.

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Preface

Over the past two or three decades, investigations of thermonuclear fusion, the effects of high-power energy fluxes on matter, generation of superstrong magnetic fields, and other branches of applied physics have motivated the development of high-power electrophysical systems, including electrodischarge and electroionization lasers, high-current accelerators, sources of electromagnetic radiation, etc. The demand for these promising fields of physics and engineering has raised the long-term priority of high-power pulse engineering, and attracted the attention of many academic, institutional, and university scientific groups to such investigations. The major thrusts and problems in the development of high-power pulse engineering, and the scientific and technical level achieved in this field, have repeatedly been summarized in monographs, reviews, and scientific conference proceedings [1--6]. In the early stages of such investigations, new high-voltage sources with stateof-the-art parameters were based on long-standing experience in the development of high-voltage engineering systems. However, high-voltage electrophysical systems (HES) respond continuously and rapidly to complex conditions in all constituent components, not the least being their electri