DCP分解副产物对交/直流交联聚乙烯电缆绝缘介电性能的影响  

Influence of Crosslinking By-products on Dielectric Properties of AC/DC XLPE Cable Insulation

作　　者：房晟辰 王浩鸣[1] 陈磊 朱晓辉[1] 孟峥峥[1] 宋鹏先[1] FANG Sheng-chen;WANG Hao-ming;CHEN Lei;ZHU Xiao-hui;MENG Zheng-zheng;SONG Peng-xian(State Gird Tianjin Electric Power Research Institute,Tianjin 300384,China;Ningbo Orient Wires & Cables Co.,Ltd.,Ningbo 315801,Zhejiang,China)

机构地区：[1]国网天津市电力公司电力科学研究院,天津300384 [2]宁波东方电缆股份有限公司,浙江宁波315801

出　　处：《合成材料老化与应用》2019年第3期16-19,共4页Synthetic Materials Aging and Application

基　　金：国家电网公司科技项目(SGTJDK00PJJS1600017,520314170013)

摘　　要：为研究交联副产物对交/直流交联聚乙烯电缆绝缘的影响,对交、直流电缆不同径向位置处的切片进行了宽频介电常数、宽频电导率以及红外光谱试验。结果表明:交联副产物会造成交/直流聚乙烯电缆的介电常数以及电导率的增大,副产物在电缆中间层残留最多,交流电缆的电导率以及直流电缆的介电常数受到的影响更为显著。The article focused on the influence of crosslinking by-products on AC/DC XLPE cable insulation.Samples taken from AC/DC power cables with different radial positions were tested by broadband permittivity,broad conductivity and FTIR.The experimental results showed that the existence of crosslinking by-products led to a high permittivity and conductivity,the quantity of residual crosslinking by-products was found to be the most in the intermediate position of the power cable,and the influence of crosslinking-by product performed significantly on the conductivity of AC cable and the permittivity of DC cable.

关 键 词：交联聚乙烯电缆 交联副产物 介电性能 

分 类 号：TQ325[化学工程—合成树脂塑料工业]