High-power direct-current charging system

• Main Authors: ZHANG CHAOHUA, LI ZHENG, FAN ZHIQIANG, LI YUANZHENG, LIN ZHILIANG
• Format: Patent
• Language: Chinese; English
• Published: 17.01.2025
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; SYSTEMS FOR STORING ELECTRIC ENERGY; TRANSPORTING; VEHICLES IN GENERAL

The utility model discloses a high-power direct-current charging system, which comprises a plurality of charging terminals, a plurality of power supply modules and a charging control module, the number of the power supply modules is consistent with that of quick charging guns in the quick charging terminal, and each power supply module comprises a plurality of power supply units; one power supply unit in each power supply module is connected to one fast charging gun in the fast charging terminal through an output bus and a first switch; in each power supply module, the output buses of the power supply units are connected in series through a second switch to form a ring topology, and are connected with another output bus in diagonal relation with the output buses through a third switch; at least one output bus is set in the power supply module to serve as a first allocation bus, the other output bus serves as a second allocation bus, the first allocation bus and the second allocation bus are connected through