IEEE Std 1313.1-1996 IEEE Standard for Insulation Coordination - Definitions, Principles, and Rules.pdf
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1、 The Institute of Electrical and Electronics Engineers, Inc. 345 East 47th Street, New York, NY 10017-2394, USA Copyright 1996 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 1996. Printed in the United States of America. ISBN 1-55937-771-2 No part of th
2、is publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. IEEE Std 1313.1-1996 (Revision of IEEE Std 1313-1993) IEEE Standard for Insulation CoordinationDefi nitions, Principles, and Rules Sponsor Technical Co
3、uncil of the IEEE Power Engineering Society Approved 18 July 1996 IEEE Standards Board Abstract: The procedure for selection of the withstand voltages for equipment phase-to-ground and phase-to-phase insulation systems is specifi ed. A list of standard insulation levels, based on the voltage stress
4、to which the equipment is being exposed, is also identifi ed. This standard applies to three-phase ac systems above 1 kV. Keywords: atmospheric correction factor, basic lightning impulse insulation level (BIL), basic switching impulse insulation level (BSL), crest value, ground fault factor, insulat
5、ion coordination, overvoltage, phase-to-ground insulation confi guration, phase-to-phase insulation confi guration, protective margin, protective ratio, standard withstand voltages, voltage stress Authorized licensed use limited to: Peking University. Downloaded on December 26,2010 at 16:55:49 UTC f
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18、brought to its attention. Authorized licensed use limited to: Peking University. Downloaded on December 26,2010 at 16:55:49 UTC from IEEE Xplore. Restrictions apply. iii Introduction (This introduction is not a part of IEEE Std 1313.1-1996, IEEE Standard for Insulation CoordinationDefi nitions, Prin
19、ciples, and Rules.) This standard is a revision of IEEE Std 1313-1993. This standard presents the defi nitions and the procedure for insulation coordination. A related draft standard, IEEE P1313.2, is an application guide, which presents practical examples. A new concept in this standard is the addi
20、tion of phase-to-phase insulation coordination, and longitudinal insulation coordination, which is the coordination of switching surges and power frequency voltage across an open switch. The introduction of the very fast front short-duration overvoltages is an acknowledgment of the problems observed
21、 when a disconnect switch operates in a gas-insulated substation (GIS). The basic concept of insulation coordination remains the same as in IEEE Std 1313-1993. The fi rst step is the determination of voltage stresses using digital computer simulation, a transient analyzer, or mathematical methods. T
22、hese analyses result in nonstandard overvoltage waveforms, which have to be converted to an equivalent standard waveshape. The second step is the selection of insulation strength to achieve the desired level of probability of failure. The standard considers both the BIL and BSL as either a conventio
23、nal or sta- tistical variable. For equipment in Class I (1240 kV), use of the low-frequency withstand voltage and light- ning impulse withstand voltage are recommended. For Class II ( 242 kV), use of the lightning impulse withstand voltage and switching withstand voltage are recommended. This standa
24、rd was prepared by the Insulation Coordination Working Group, under the sponsorship of the Technical Council of the IEEE Power Engineering Society. At the time this standard was completed, the Insulation Coordination Working Group had the following membership: George G. Karady, Chair The following p
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