As a process of developing high temperature superconducting fault current limiter (SFCL), the stability of a power system in which SFCLs were installed was analyzed. For the investigation into the effect of SFCLs to a power system, we have proposed a simple model power system that had SFCL circuits. The modeling parameters of SFCL are obtained by experiment of a prototype SFCL, which is 440 V class and a shielding type model. This electric circuit was solved for transient performance by numerical methods. In case the SFCLs are installed in a power system, it can effectively protect synchronization both in a symmetrical three-phase fault and a single-phase line to ground fault by maintaining synchronism of the synchronous machines for a long time. By this analysis, we found a quantitative effect of SFCLs to a power system. Limiting fault currents means not only an improvement of circuit breaker abilities but also a protection of synchronism. So its synchronism protection property must be considered for a design of superconducting fault current limiters.
|Number of pages||4|
|Journal||IEEE Transactions on Applied Superconductivity|
|Issue number||1 II|
|Publication status||Published - 2001 Mar|
|Event||2000 Applied Superconductivity Conference - Virginia Beach, VA, United States|
Duration: 2000 Sept 17 → 2000 Sept 22
Bibliographical noteFunding Information:
Manuscript received Sept. 18, 2000. This work was supported in part by MOST (Ministry of Science and Technology) and KEPRI (Korea Electric Power Research Institute) in South Korea. Seungje Lee is with the Department of Electrical and Computer Engineering, Yonsei University, ( e-mail : firstname.lastname@example.org). Chanjoo Lee is with the Department of Electrical and Computer Engineering, Yonsei University. ( e-mail : email@example.com). Ok-Bae Hyun is with the Korea Electric Power Research Institute. (e-mail : firstname.lastname@example.org). Tae Kuk KO is with the Department of Electrical and Computer Engineering, Yonsei University. (e-mail : email@example.com).
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering