IEEE 48-1996(R-2003) - IEEE Standard Test Procedures and Requirements for Alternating- Current Cable Terminations 2.5 kV Through 765 kV.pdf
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1、The Institute of Electrical and Electronics Engineers, Inc.345 East 47th Street, New York, NY 10017-2394, USACopyright 1996 by the Institute of Electrical and Electronics Engineers, Inc.All rights reserved. Published 1996. Printed in the United States of America.ISBN 1-55937-698-8No part of this pub
2、lication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written per-mission of the publisher.IEEE Std 48-1996(R2003)(Revision of IEEE Std 48-1990)IEEE Standard Test Proceduresand Requirements for Alternating-Current Cable Terminations2.5 kV Through 7
3、65 kVSponsorInsulated Conductors Committeeof theIEEE Power Engineering SocietyReaffirmed 11 September 2003Approved 2 May 1996IEEE Standards BoardAbstract: All indoor and outdoor cable terminations used on alternating-current cables having laminated orextruded insulation rated 2.5 kV through 765 kV a
4、re covered, except for separable insulated connectors,which are covered by IEEE Std 386-1995.Keywords: accelerated contamination testing, correction factors, dielectric field tests, environmental expo-sure, nonstandard service conditions, rating, solar radiation, standard service conditions, test re
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15、can also be obtained through the Copyright Clearance Center.Note: Attention is called to the possibility that implementation of this standard mayrequire use of subject matter covered by patent rights. By publication of this standard,no position is taken with respect to the existence or validity of a
16、ny patent rights inconnection therewith. The IEEE shall not be responsible for identifying all patents forwhich a license may be required by an IEEE standard or for conducting inquiries intothe legal validity or scope of those patents that are brought to its attention.iiiIntroduction(This introducti
17、on is not part of IEEE Std 48-1996, IEEE Standard Test Procedures and Requirements for Alternating-Current Cable Terminations 2.5 kV Through 765 kV.)This standard supersedes IEEE Std 48-1990, IEEE Standard Test Procedures and Requirements for High-Voltage Alternating-Current Cable Terminations.Sever
18、al definitions have been added to reflect use of polymeric designs and to differentiate between variousenvironments encountered. To clarify test procedures, Class 1 terminations have been divided into threeclasses: Class 1A for extruded dielectric cable, Class 1B for laminated dielectric cable, and
19、Class 1C forpressure-type systems.Partial discharge requirements for laminated cable terminations have been replaced by ionization testrequirements, which are more applicable for laminated cable constructions. Retesting is not intended now asthe partial discharge is more difficult. Reflecting cable
20、voltage trends, table 1 contains test requirements upto 765 kV for laminated dielectric terminations and 230 kV for solid dielectric cable terminations.Clause 9 has been expanded to include a pollution severity guide to assist the user to define a particularenvironment and help determine type and cr
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