小水树产生的冲力降低机制

2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132) Pub Date : 2000-10-15 DOI:10.1109/CEIDP.2000.884019

S. Boggs

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引用次数: 3

摘要

据报道，在使用老化期间，TR-XLPE电缆的冲击强度随时间的下降程度大于交流强度。在这篇文章中，我们讨论了脉冲强度比交流强度退化得更大的机制。已经确定了三种频率相关的机制，包括电热，机电和电气。

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Mechanisms for reduction of impulse strength resulting from small water trees

The impulse strength of TR-XLPE cable has been reported to drop to a greater degree than the AC strength as a function of time during service aging. In this contribution, we discuss the mechanisms by which the impulse strength can degrade to a much greater degree than the AC strength. Three frequency dependent mechanisms have been identified which include electro-thermal, electro-mechanical, and electrical.

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2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132)

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