This paper deals with feasibility of fault current limiter (FCL) by using Bi-2223 high temperature superconducting (HTS) wire. The FCL using HTS wire has some advantages of stability, flexibility of structure and cost compared with existing superconducting FCLs using bulk or thin film. Even if the FCL using HTS wire has zero resistance in normal state, it needs to be wound as a bifilar winding for non inductance. In this paper, four types of FCL module with bifilar winding were suggested, manufactured and experimented with short circuit tests in 77 K. The FCL modules have different fault current limiting characteristic and stability respectively. These types of module are solenoid, pancake, solenoid impregnated with epoxy resin and pancake impregnated with epoxy resin. The FCL module was applied by controllable AC bias during fault duration, 0.1 s, from 0.5 V to 22 V. A process of fault occurrence in this test is very similar to a fault occurrence in real system. In results of tests, the pancake type was more effective to limit a fault current than the solenoid type. Also modules impregnated with epoxy resin showed more efficient current limiting characteristics than nonimpregnated modules. The solenoid type has better characteristic of stability. The feasibility of the FCL by using HTS wire was verified by this paper.
Bibliographical noteFunding Information:
Manuscript received September 20, 2005. This work was supported by a grant from the Center for Applied Superconductivity Technology of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology, Republic of Korea. D. K. Park, M. C. Ahn, S. Park, S. E. Yang, and T. K. Ko are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea (e-mail: email@example.com). H. Kang and B.-Y. Seok are with Electro-Mechanical Research Institute, Hyundai Heavy Industries Co., Ltd., Korea (e-mail: firstname.lastname@example.org). D. K. Bae is with the Korea Institute of Machinery and Materials, Daejeon, Korea (e-mail: email@example.com). Digital Object Identifier 10.1109/TASC.2006.871266
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering