直流高压电缆研究及关键性问题略述  

Outline of Research and Key Problems for HVDC Cable

作　　者：朱伟林 何韶英 高福刚 杨德亮[1] 王增辉[1] 纪延磊[1] ZHU Weilin;HE Shaoying;GAO Fugang;YANG Deliang;WANG Zenghui;JI Yanlei(The 23rd Research Institute,CETC,Shanghai 201900,China;China Academy of Space Technology,Beijing 100094,China)

机构地区：[1]中国电子科技集团公司第二十三研究所,上海201900 [2]中国空间技术研究院,北京100094

出　　处：《光纤与电缆及其应用技术》2019年第5期7-9,23,共4页Optical Fiber & Electric Cable and Their Applications

摘　　要：直流高压电缆作为传输纽带广泛应用于工程领域。为进一步促进其发展和应用,对高压电缆的分类、直流高压电缆的绝缘材料选用及关键性问题等作了分析与概述。重点阐述了绝缘介质空间电荷和温度梯度效应问题对直流高压电缆的影响,并结合国内外研究进展对直流高压电缆的发展方向作出展望。High voltage direct current(HVDC)cables are widely applied in the engineering field as transmission line.In order to further promote its development and application,the classification of high voltage cables,the selection of insulation materials for HVDC cables and the key problems are analyzed and summarized.The influence of space charge and temperature gradient effect of insulating medium on HVDC cables is emphatically expounded.The development direction of HVDC cables is prospected based on the research progress at home and abroad.

关 键 词：直流高压电缆 空间电荷 温度梯度 交联聚乙烯 

分 类 号：TM247[一般工业技术—材料科学与工程]