Design Progress of the Pellet Injector System for HL-3

The Tokamak is a device that controls nuclear fusion by using a magnetic field to confine high temperature plasma. Controllable nuclear fusion experiments are thought to be possible with this device. Plasma disruption is considered a serious accident when operating at high parameters on the Tokamak device. The pellet injection system of HL-3 mainly utilizes different subsystems to inject different types of pellet into the plasma and conduct physical experimental research related to the system. The HL-3 pellet injection system consists of three subsystems, including the Shattered pellet injection system (SPI), the Fuel pellet injection system (FPI), and the Impurity pellet injection system (IMPI).