本文对聚乙烯中水树枝在直流电压下的U-R特性和在工频电压下U-tanδ特性进行了实验研究.研究发现,含水树枝试样不仅具有非线性的绝缘电阻特性和介质损耗因数值随测试电压变化的特性,而且这种特性与电解液的种类和电压种类有关.
参考文献
[1] | S. Hvidsten;E. Ildstad;J. Sletbak;H. Faremo .Understanding water treeing mechanisms in the development of diagnostic test methods[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,1998(5):754-760. |
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[3] | Jean-Pierre Crine .Electrical, chemical and mechanical processes in water treeing[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,1998(5):681-694. |
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