High-voltage and high-power traction converter device suitable for ultra-high-speed maglev train

• Main Authors: YUAN XIAOFENG, CHEN MEIZHI, ZHANG ZAIJIE, WANG HAILIANG, ZHANG YANQING, MA XUN, YANG XIN
• Format: Patent
• Language: Chinese; English
• Published: 06.02.2024
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERATION; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS

The utility model provides a high-voltage high-power traction converter suitable for an ultra-high-speed maglev train, which comprises a cabinet body, a water cabinet, a pre-charging cabinet, a rectifier cabinet, a first direct-current chopper cabinet, a second direct-current chopper cabinet, at least one inverter cabinet, a common direct-current bus and a water cooling system, the water cabinet, the pre-charging cabinet, the rectifier cabinet, the first direct-current chopper cabinet, the second direct-current chopper cabinet and the at least one inverter cabinet are all electrically connected with the common direct-current bus, and the water cabinet, the pre-charging cabinet, the rectifier cabinet, the first direct-current chopper cabinet, the second direct-current chopper cabinet, the at least one inverter cabinet and the water cooling system are all arranged in the cabinet body. The at least one inverter cabinet adopts an NPC three-level inverter based on a common DC bus, and the water cooling system is u