静电对电缆介质的影响

Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting Pub Date : 1991-09-28 DOI:10.1109/IAS.1991.178213

O. Gouda, A. El-Zein, S. El-Dessouky

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引用次数: 1

摘要

在负载电缆中，铜和介电损耗会导致导体和绝缘升温。通常情况下，介电介质在径向上比导体膨胀1 - 2%。在导体和绝缘材料之间将形成一个空腔。储存在这个腔内的能量的变化产生了静电力。这种力导致电缆介质的热机械击穿。本文提出、设计并应用了一种测量静电力的实验技术。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Electrostatic effects on the cable dielectric

In loaded cables, the copper and dielectric losses cause the conductor and insulation to heat up. Normally the dielectric expands 1 to 2 percent more than the conductor in radial direction. A cavity will form between the conductor and the insulation material. The change in the energy stored in this cavity creates an electrostatic force. This force leads to thermomechanical breakdown of cable dielectric. An experimental technique is suggested, designed, and used to measure the electrostatic force.<>

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Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting

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