원문정보
초록
영어
This paper presents an experimental and numerical study on current limiting characteristics of a fault current controller (FCC). The FCC consists of an AC/DC power converter, a superconducting coil, and a control unit. Even though some previous researches proved that the FCC could adjust the fault current level, the current limiting characteristics by the superconducting coil should be investigated for design of the coil. In this paper, four kinds of model coils were tested; 1) air core, 2) iron core without any bias, 3) reversely magnetized core (RMC) using permanent magnets, and 4) RMC using an electromagnet. Based on a comparative study, it is confirmed that a RMC by an electromagnet (EM) could increase the effective inductance of the coil. In this paper, a numerical code to simulate the HTS coil with RMC was developed. This code can be applied to design the HTS coil with active reversely magnetized bias coil.
목차
1. INTRODUCTION
2. REVERSELY MAGNETIZED CORE
2.1. Current Limiting Characteristics of FCC
2.2. Effectiveness of RMC
3. EXPERIM ENTAL ANALYSIS
3.1. Experimental Setup
3.2. Test result 1: Air-core and iron-core w/o bias
3.3. Test result 2: RMC using PMs
3.4. Test result 3: RMC using an EM
4. NUMERICALANALYSIS
4.1. Simulation model
4.2. Simulation result
5. CONCLUSIOIN
ACKNOWLEDGMENT
REFERENCES