Novel four-quadrant high-power converter structure

• Main Authors: BI YANKE, GU XIAOCONG, GAO YURUI, YU QIONG, GUO XIAOZHEN, LIU HAIXIN, WANG WENLONG
• 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 novel four-quadrant high-power converter structure, which comprises a plurality of cabinet bodies connected in a combined cabinet mode, and the plurality of cabinet bodies comprise a control unit cabinet, a power unit cabinet, an excitation unit cabinet, a high-voltage switch cabinet and a brake unit cabinet. The number of the power unit cabinets is multiple, and the multiple power unit cabinets are arranged adjacently. The improved points of the utility model lie in that: 1) the main body frame of each cabinet body is formed by welding channel steel and metal plates; 2) a G-type connecting busbar is included, and the power units of the adjacent power unit cabinets are connected through the G-type connecting busbar; and 3) the input cable of each power unit cabinet vertically enters from the top of the cabinet body. Through the design of the cabinet body frame structure, the connection busbar and the input cable entering mode, the hoisting transportation performance, the overall s