110kV冷绝缘高温超导电缆在故障电流下的温度计算与分析  

Temperature calculation and analysis on the 110kV cold dielectric high temperature superconducting cable under fault currents

作　　者：于涛[1,2] 魏斌[2] 方进[1] 丘明[2] 侯经洲[2] 陈盼盼[2] 董大磊[1,2] 赵勇青[2] 高超[2] 

机构地区：[1]北京交通大学电气工程学院,北京100044 [2]中国电力科学研究院,北京100192

出　　处：《低温与超导》2013年第1期19-22,共4页Cryogenics and Superconductivity

基　　金：国家电网公司科研项目<110kV冷绝缘超导电缆关键技术研究>项目(sgkjkj[2010]374)资助

摘　　要：研究了110kV冷绝缘高温超导电缆失超时,故障电流的分流情况,并以此为依据,建立了电缆在故障电流下失超时,温升与时间关系的计算模型;通过MATLAB对计算模型进行了求解,并对求解结果进行了分析;计算出了电缆在不同故障电流下,温度上升到不同值所需要的时间,进一步明确了故障电流的大小对电缆温升的影响。The distribution of fault currents is studied when the l lOkV cold dielectric high temperature superconducting （HTS） cable is in quench state. On this basis, the calculating model of the temperature relationship with time under different fault currents was established. The calculating results were gotten through MATLAB and the results were analyzed. In order to make further research of the effect of fault currents on the temperature of the HTS cable, the time consumed was calculated when the cable temperature rose up to a certain value under different fault currents.

关 键 词：冷绝缘高温超导电缆 失超 故障电流 温度计算 

分 类 号：TM249.7[一般工业技术—材料科学与工程]