ACCELERATED-FREQUENCY HYDROGEN-ATMOSPHERE VOLTAGE-ENDURANCE TESTING OF MICACEOUS INSULATION SYSTEMS

被引:2
作者
BREITENSTEIN, AM
JOHNSTON, DR
MAUGHAN, CV
机构
[1] General Electric Company, Schenectady
来源
IEEE TRANSACTIONS ON POWER APPARATUS AND SYSTEMS | 1969年 / PA88卷 / 09期
关键词
D O I
10.1109/TPAS.1969.292531
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Voltage-endurance testing of high-voltage micaceous insulation systems has traditionally been performed at normal power frequency. The test atmosphere has been air. The completion of tests in practical time periods has required the use of high dielectric stresses. Two series of voltage-endurance tests were conducted on micaceous insulation systems. These tests were designed to determine the effect on insulation life of accelerated frequency and of hydrogen atmosphere. The frequency of the test voltage was 412 Hz. From these tests two conclusions are drawn for voltage stress below 150 V/mil: 1) the voltage-endurance life-test rate was accelerated linearly with the increase of the frequency of the test voltage, and 2) the hydrogen atmosphere extended voltage-endurance life by a factor of at least 4. Copyright © 1969 by The Institute of Electrical and Electronics Engineers, Inc.
引用
收藏
页码:1389 / +
页数:1
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