Water treeing: interaction between test temperature and other test parameters

Proceedings of the 3rd International Conference on Conduction and Breakdown in Solid Dielectrics Pub Date : 1989-07-03 DOI:10.1109/ICSD.1989.69249

G. Matey, F. Nicoulaz, J. Filippini, Y. Poggi, Ramdane Bouzerara

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引用次数: 6

Abstract

The authors discuss complementary studies on the effect of temperature on water tree growth, conducted at two different laboratories, using the same LDPE (low-density polyethylene) reference product at 23 degrees C and 65 degrees C, in a point-to-plane geometry. These very similar tests yielded totally contradictory conclusions on the effect of temperature on water tree growth. In one test the water trees propagated more favourably at 23 degrees C than at 65 degrees C. In the other test the water trees grew larger at 65 degrees C than at 23 degrees C. The latter result has been observed exclusively in the case of a wet grounding environment. As this was the only fundamental difference between the tests, the authors hypothesize that the enhanced water tree growth at 65 degrees C is to be due to an enrichment in water at the tip of the growing water tree resulting from water diffusion by dielectrophoresis followed by water condensation under the effect of the electric field.<>

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水树:试验温度与其它试验参数的相互作用

作者讨论了在两个不同的实验室进行的关于温度对水树生长影响的补充研究，使用相同的LDPE(低密度聚乙烯)参考产品，在23摄氏度和65摄氏度，在点对平面几何结构中。关于温度对水树生长的影响，这些非常相似的试验得出了完全矛盾的结论。在一项试验中，水树在23℃比65℃的条件下生长得更好。在另一项试验中，水树在65℃的条件下比在23℃的条件下生长得更大。后一种结果只在潮湿的地面环境中观察到。由于这是两种测试之间唯一的根本区别，作者假设，在65摄氏度下，水树生长的增强是由于水在生长的水树的尖端富集，这是由于在电场的作用下，水通过介质电泳扩散，然后是水的凝结。

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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Proceedings of the 3rd International Conference on Conduction and Breakdown in Solid Dielectrics

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