电力电缆线路交接试验标准中电缆绝缘电阻规定的探讨  

Study on the Regulation of Cable Insulation Resistance in the National Standard of Power Cable Line Handover Test

作　　者：孙建生 张大鹏 夏俊峰 施楠楠 SUN Jian-sheng;ZHANG Da-peng;XIA Jun-feng;SHI Nan-nan(Shanghai Electric Cable Research Institute Co.,Ltd,Shanghai 200093,China)

机构地区：[1]上海电缆研究所有限公司,上海200093

出　　处：《电工电气》2020年第7期63-65,共3页Electrotechnics Electric

摘　　要：对电力电缆线路交接试验中电缆绝缘电阻以及外护套和内衬层绝缘电阻试验进行了研究,分析了绝缘电阻的原理以及测量方法,通过理论研究和数值计算得到了电缆外护套和内衬层绝缘电阻的合理的技术规定,对相关标准和规范的修订提出了建议,并通过计算给出了电缆护套和内衬层材料的体积电阻率的最低要求值,供相关人员参考。In this paper,the cable insulation resistance and the insulation resistance test of the outer sheath and inner lining of the power cable line connection test are studied,and the principle and measurement method of insulation resistance are analyzed.Through theoretical studies and numerical calculations,reasonable technical regulations for the insulation resistance of the outer jacket and inner lining of the cable were obtained,and suggestions were made for the revision of relevant standards and specifications.And through calculation,the minimum required value of volume resistivity of cable sheath and inner lining material is given for the reference of relevant personnel.

关 键 词：电力电缆 交接试验 绝缘电阻 体积电阻率 

分 类 号：TM934.1[电气工程—电力电子与电力传动]