International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics Key Laboratory of Advanced Electromagnetic Engineering and Technology of Electrical and Electronic Engineering University of Science and Technology 430074's Republic of China;
Southwestern Institute of Physics 610041's Republic of China;
School of Electrical Engineering&Automation Normal University 221116's Republic of China;
Institute of Plasma Physics Academy of Sciences 230031's Republic of China;
Forschungszentrum Jülich GmbH für Energie-und Klimaforschung—Plasmaphysik-52425 Jülich;
fast electron; TOKAMAK; electron cyclotron current drive; power deposition location;