探讨影响耐电痕化指数（PTI）试验结果的细节因素

Discuss the detailed factors affecting the results of PTI test

耐电痕化指数(PTI)的测量是固体绝缘材料检测中的重要测试项目。文章重点探讨依据标准GB/T 4207-2012进行耐电痕化指数(PTI)试验过程中影响结果判定的主要因素,尤其关注某些试验环节的细节影响,希望可以对试验人员在结果的判定上有所帮助,使结果更为可靠。

PTI(Proof Tracking Index)measurement serves as one important item in the measurements of solid insulating material.This paper focuses on the main factors influencing the evaluation of the result in the process of the PTI test performed according to standard GB/T 4207-2012,especially certain detailed test links,so as to help the testing personnel better evaluate the result and make the result more reliable.