700MVA/20kV单相高载流低损耗高温超导电缆设计  

Design of 700MVA/20kV single-phase HTS cable with high current carrying capacity and low loss

作　　者：张馨丹 王银顺 李冠华 王佳雯 鲁旭臣 Zhang Xindan;Wang Yinshun;Li Guanhua;Wang Jiawen;Lu Xuchen(State Key Laboratory for Alternate Electrical Power System with Renewable Source,North China Electric Power University,Beijing 102206,China;Electric Power Research Institute of State Grid Liaoning Electric Co.,Ltd,Shenyang,Liaoning 110006,China)

机构地区：[1]新能源电力系统国家重点实验室华北电力大学,北京102206 [2]国网辽宁省电力有限公司电力科学研究院,沈阳110006

出　　处：《低温与超导》2022年第12期6-13,共8页Cryogenics and Superconductivity

基　　金：国家电网有限公司总部科技项目(DG71-21-026)资助。

摘　　要：基于均流原则,提出了一种700 MVA/20 kV单相高载流低损耗高温超导电缆结构,可应用大电流、中低压应用场景。通过解析法和有限元法对提出的高温超导电缆和常规结构超导电缆的电磁特性和磁滞损耗进行分析。结果表明,额定运行时所提出的电缆结构损耗比常规结构超导电缆降低了69.9%,从而具备更高的的载流能力和带材利用率。In this paper, a 700 MVA/20 kV single-phase HTS cable with high current-carrying rate and low-loss was proposed based on the principle of uniform current, which could be applied to high-current and mid-/low-voltage scenarios. The electromagnetic characteristics and hysteresis losses of the proposed HTS cable and the conventional HTS cable were analyzed by analytical and finite element methods. The results show that the proposed HTS cable has 69.9% lower losses than the conventional one at rated operation resulting in higher current-carrying capacity and tapes utilization.

关 键 词：磁滞损耗 单相 低损耗 高温超导电缆 

分 类 号：TM249.7[一般工业技术—材料科学与工程]