预制型电缆附件沿面放电试验研究

Test and Research of Surface Discharge in Pre-moulded Power Cable Accessories

试验研究了电缆附件与电缆主绝缘结合界面的沿面放电 ,认为放电电压与界面压强和界面状态密切相关。提高附件材料的定伸强度。

Surface discharge in power cable accessories is correlation with interface pressure and interface state. Based on the test and research results the measures of improving tensile strength of accessories material and adopting a pre expanding technique to increase interface enclasping for preventing surface discharge breakdown in pre moulded power cable accessories have been put forward in this paper.