IEEE Std 1043-2025 IEEE 推荐做法：成型绕组棒和线圈的电压耐力试验

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IEEE Recommended Pracce for

Voltage-Endurance Tesng of

Form-Wound Bars and Coils

IEEE Std 1043™-2025

(Revision of IEEE Std 1043-1996)

IEEE Power and Energy Society

Developed by the

Materials Subcommiee

STANDARDS

IEEE Std 1043™-2025

(Revision of IEEE Std 1043-1996)

IEEE Recommended Practice for

Voltage-Endurance Testing of

Form-Wound Bars and Coils

Developed by the

Materials Subcommittee

of the

IEEE Power and Energy Society

Approved 10 December 2025

IEEE SA Standards Board

Abstract: A comprehensive framework for the voltage-endurance testing of form-wound bars and

coils used in large rotating machine stator windings is provided in this recommended practice. The

procedures for conducting voltage endurance tests on bars/coils with nominal voltage up to 30 000 V,

and operating frequencies of 50 Hz or 60 Hz, are outlined. Power supply and voltage requirements,

test set-up, specimen preparation, pre-test evaluation methods, as well as temperature and

voltage application and measurement methods are specified. Guidelines for failure investigations,

suggested test records, and test report requirements are provided.

Keywords: electrical insulation, form-wound bars, form-wound coils, IEEE 1043™, voltage

endurance testing

The Institute of Electrical and Electronics Engineers, Inc.

3 Park Avenue, New York, NY 10016-5997, USA

Published 28 May 2026. Printed in the United States of America.

IEEE is a registered trademark in the U.S. Patent & Trademark Oce, owned by The Institute of Electrical and Electronics Engineers,

Incorporated.

PDF: ISBN 979-8-8557-3400-3 STD28800

Print: ISBN 979-8-8557-3401-0 STDPD28800

IEEE prohibits discrimination, harassment, and bullying.

For more information, visit https:// www .ieee .org/ about/ corporate/ governance/ p9 -26 .html.

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.

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摘要：

IEEE Std 1043-2025 是由电气与电子工程师协会（IEEE）发布的推荐做法标准，正式名称为“成型绕组棒和线圈的电压耐力试验”。该标准为旋转电机中使用的成型绕组定子棒和线圈提供了系统化的电压耐力测试程序与评估方法，旨在验证绝缘系统在长期工频电压作用下的可靠性与耐久性。本版本对2020版进行了技术更新，进一步明确了试验电压施加方式、环境条件要求、失效判定准则及记录报告规范，适用于发电机、电动机等大型旋转设备制造与检修过程中的质量验证。采用本标准有助于识别绝缘缺陷、降低运行中击穿风险，提

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IEEE Std 1043-2025 IEEE 推荐做法：成型绕组棒和线圈的电压耐力试验

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