背景磁场对高温超导带材交流损耗的影响  

Measurement of AC losses in different HTS tape with external magnetic field

作　　者：陈伟 黑颖顿 Chen Wei;Hei Yingdun(Yunnan Electric Power Research Institute,Kunming 650217,China)

机构地区：[1]云南电网有限责任公司电力科学研究院,昆明650217

出　　处：《云南电力技术》2020年第6期86-90,共5页Yunnan Electric Power

摘　　要：交流损耗问题是高温超导技术在电力应用中的瓶颈之一,尤其是复杂电磁环境下的交流损耗的准确评估和测量对超导电力设备的安全稳定运行至关重要。本文首先介绍了目前交流损耗的分类和测量方法,然后以5种不同类型的超导带材为研究对象,通过电测法对5种带材在不同的背景磁场下的交流损耗进行了测量,并对带材在背景磁场下的交流损耗特性进行了分析与评估。AC loss is one of the important issue of HTS technology in power applications,especially the accurate measurement and evaluation of AC loss in complex electromagnetic environments is essential to the safe and stable operation of superconducting power devices.In this paper,the current classification and measurement of AC loss is introduced,then the AC loss of five HTS tape under different background magnetic fields is measured by electromagnetic method,and the AC loss characteristics of the HTS tape are evaluated.

关 键 词：交流损耗 高温超导带材 背景磁场 电测法 

分 类 号：TM74[电气工程—电力系统及自动化]