Jong-Kook Jin, Jae-Hoon Choi, Dong-Keun Lee, Sang-Hee Han, Y. Jeon, Yaung-Su Kim, M. Kwon, H. Ahn, G. Jang, M. Yun, D. Seong, H. Shin
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Development of In-vessel Vertical Coil (IVC) power supply in KSTAR
The Korea Superconducting Tokamak Advanced Research (KSTAR) device is an advanced superconducting tokamak to establish scientific and technological bases for an attractive fusion reactor [1]. In-vessel Vertical Coil (IVC) power supply has been developed for vertical stability and shape control of KSTAR plasma. IVC power supply in KSTAR is based on a single-phase full-bridge inverter. The output voltage is DC ±1kV and output current is ±10kA. IGBT is used as switching power device in IVC power supply and maximal 5kHz of switching frequency is adopted to meet the requirement of fast control by PCS. This paper describes the configuration and engineering of the IVC power supply system and analyzes both the IVC coil commissioning and the D-shape plasma major performances achieved by experiments.
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