南方电网技术2017，Vol.11Issue(3)：25-30,6.DOI:10.13648/j.cnki.issn1674-0629.2017.03.005
饱和铁心型超导限流器常导振动特性试验
Vibration Test on a Prototype of Saturated Core Superconducting Fault Current Limiter
摘要
Abstract
Superconducting fault current limiter(SFCL) can offer rapid and effective current limitation, which is used to improve the reliability and security of electric power network.Experimental modal analysis is performed on a prototype of saturated core superconducting fault current limiter to study the natural characteristics of iron core/winding, and tank of the SFCL.A special vibration measurement system is constructed to investigate the characteristics of SFCL, in which fiber optic sensors are used to directly measure the core and winding vibration.The results show that the vibration spectrum of SFCL during normal operation consists of many high order harmonics with typical vibration characteristics of transformers under DC bias.It indicates that it's of great necessity to conduct experimental modal analysis on SFCL's key components during the stage of structure dynamic design to keep them away from resonance caused by high order harmonics, and the vibration of SFCL's core/winding and oil tank should be monitored on-line during development, test, and operation as both of them have to withstand high intensity vibration with different properties.关键词
超导限流器/试验模态分析/光纤传感器/高次谐波/直流偏磁/结构动态设计Key words
superconducting fault current limiter/experimental modal analysis/fiber optic sensors/high order harmonics/DC bias/structure dynamic design分类
信息技术与安全科学引用本文复制引用
刘石,杨毅..饱和铁心型超导限流器常导振动特性试验[J].南方电网技术,2017,11(3):25-30,6.基金项目
国家高技术研究发展计划(863计划)项目(2014AA032705) （863计划）
中国南方电网公司2015年科技项目(GDKJQQ20153006).Supported by the National High Technology Research and Development Program of China (863 Program) (2014AA032705) （GDKJQQ20153006）
Science and Technology Project of China Southern Power Grid (GDKJQQ20153006). （GDKJQQ20153006）
