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IEEE Std C57.12.90-1999 (IEEE Standard for Liquid-Immersed Distribution, Power, and Regulating Transformers).pdf

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IEEE Std C57.12.90-1999 (IEEE Standard for Liquid-Immersed Distribution, Power, and Regulating Transformers).pdf

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IEEE Std C57.12.90-1999 (IEEE Standard for Liquid-Immersed Distribution, Power, and Regulating Transformers).pdf

文档介绍

文档介绍:IEEE Std -1999
(Revision of IEEE -1993)
IEEE Standard Test Code for
Liquid-Immersed Distribution,
Power, and Regulating Transformers
Sponsor
mittee
of the
IEEE Power Engineering Society
Approved 26 June 1999
IEEE Standards Board
Abstract: Methods for performing tests specified in IEEE Std -1993 and other standards
applicable to liquid-immersed distribution, power, and regulating transformers are described. Instru-
ment transformers, step-voltage and induction voltage regulators, arc furnace transformers, rectifier
transformers, specialty transformers, grounding transformers, and mine transformers are excluded.
This standard covers resistance measurements, polarity and phase-relation tests, ratio tests, no-
load-loss and excitation current measurements, impedance and load loss measurements, dielectric
tests, temperature tests, short-circuit tests, audible sound level measurements, calculated data,
and certified test data.
Keywords: tests, transformers, transformer tests
The Institute of Electrical and Electronics Engineers, Inc.
3 Park Avenue, New York, NY 10016-5997, USA
Copyright © 1999 by the Institute of Electrical and Electronics Engineers, Inc.
All rights reserved. Published 30 December 1999. Printed in the United States of America.
Print: ISBN 0-7381-1789-7 SH94778
PDF: ISBN 0-7381-1790-0 SS94778
No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior
written permission of the publisher.
IEEE Standards documents are developed within the IEEE Societies and the Standards Coordinat-
mittees of the IEEE Standards Association (IEEE-SA) Standards Board. Members of the
committees serve voluntarily and pensation. They are not necessarily members of the
Institute. The standards developed within IEEE represent a consensus of the broad expertise on the
subject within the Institute as well as those activities outside of IEEE that have expressed