Computer system to detect quench of superconducting magnets for SSTF

Computer system to detect quench of superconducting magnets for SSTFl


SamSung Advanced Institute of Technology
@HiroFumi YoneKawa, SulHee Baek, Yong Chu, Andrey Chertovskikh, KeeMan Kim


  Korea Superconducting Tokamak Advanced Research (KSTAR) device is one of experimental demonstrative nuclear reactors, and it is under construction in Korea by now. Some superconducting cables and magnets for KSTAR will be tested on its performances at SamSung Superconductor Test Facility (SSTF). In order to prevent damages of conductors, well suited quench detection system is needed for SSTF. In this presentation, diagnosis system based on Wavelet transforms for quench detection is considered. This system consists of AD converters, DSPs on VME crate and Wavelet program. ADCs convert voltage of sensors such as voltage taps and AE sensors attached on magnets into digital signal, and Wavelet program on DSPs extracts symptom of quench from the digitized signal.