Power supply device

The invention discloses a power supply device used for power supply of a particle accelerator, the power supply device comprises a cabinet, the cabinet is provided with a first installation bin and a second installation bin used for wiring, the first installation bin forms a first compartment, a second compartment and a third compartment which are adjacent to each other, and the first compartment, the second compartment and the third compartment are all communicated with the second installation bin; the H-bridge module is mounted in the first compartment, is connected with the particle accelerator and is used for switching the polarity of voltage applied to the particle accelerator; the power module or the rectifier module is installed in the second compartment and electrically connected with the H-bridge module, the power module is used for providing energy, and the rectifier module is used for converting input alternating current into direct current; and the controller module is arranged in the third compar