Title :
Low voltage, high current DC power supply with self commutated converter using power-MOSFET
Author :
Matsukawa, Tatsuya ; Shimada, Katsuhiro ; Shioyama, Masanori ; Nomura, Shinichi ; Neumeyer, Charles ; Tsuji-Iio, Shunji ; Shimada, Ryuichi
Author_Institution :
Int. Cooperation Center for Sci. & Technol., Tokyo Inst. of Technol., Japan
Abstract :
The DC power supply for a nuclear fusion experimental system based on the low aspect ratio spherical torus requires a low voltage and high current output to power a toroidal field coil consisting of a single turn center conductor. To meet such requirements, the self-commutated converter using a power-MOSFET, which is more efficient than the conventional thyristor or diode converter, is proposed. The converter has the advantage of fast switching speed, low on-state resistance and voltage gate signal. The operating characteristics of a power-MOSFET and the switching unit using four MOSFET elements are also discussed
Keywords :
DC-DC power convertors; Tokamak devices; fusion reactor design; power MOSFET; power supplies to apparatus; DC power supply; high current; low voltage; power-MOSFET; self commutated converter; tokamak; Coils; Conductors; Current supplies; Diodes; Fusion reactors; Low voltage; MOSFET circuits; Power supplies; Switching converters; Thyristors;
Conference_Titel :
Fusion Engineering, 1999. 18th Symposium on
Conference_Location :
Albuquerque, NM
Print_ISBN :
0-7803-5829-5
DOI :
10.1109/FUSION.1999.849807
