摘要
由于直流电缆的特性,尤其是绝缘的电阻系数与温度的特性关系、绝缘中空间电荷等问题,使直流电力电缆的发展远远滞后于交流电缆。从直流电缆绝缘特点出发,分析了直流电缆在无负载或较小负载情况下的电场分布,并以油浸纸绝缘充油电缆为例来探讨高压直流电缆的结构设计,为如何选择合理的直流电缆结构尺寸提供参考。
The characteristics of HVDC cables,especially the relationships between insulation resistance coefficient and temperature made the development of HVDC cables lagging far behind AC cables.This article analyses the elec-tric field distribution of HVDC cables under the condition of no load or small load.And with oil-filled cables as an ex-ample to explore the structure design of HVDC cables,it can provide reference for how to choose the reasonable struc-ture size of HVDC cables.
作者
蔡文婷
CAI Wen-ting(Shanghai Cable Works Group Co., Ltd., Shanghai 200093, China)
出处
《电线电缆》
2018年第2期14-17,共4页
Wire & Cable
关键词
直流电缆
绝缘特点
电场
设计
HVDC cables
insulation characteristics
electric field
design
