This application provides a solid-state transformer and a bus voltage equalization method for a solid-state transformer. The solid-state transformer may include a plurality of cascaded modules and a bus voltage equalization module. Input terminals of all the cascaded modules are connected in series, and output terminals of all the cascaded modules are connected in parallel, and are used as a parallel output terminal of the solid-state transformer. The bus voltage equalization module is connected in parallel to the parallel output terminal of the solid-state transformer. Each cascaded module may include a bus capacitor (for example, all capacitors connected in series to each other on a direct current bus). The bus voltage equalization module may equalize bus voltages of all the cascaded modules by consuming a part of energy in the bus capacitor in each cascaded module. Based on this application, the bus voltages of all the cascaded modules may be equalized by using the bus voltage equalization module. In this way, there are lower costs and higher applicability.
SOLID STATE TRANSFORMER AND BUSBAR VOLTAGE EQUALIZATION METHOD THEREFOR
FESTKÖRPERTRANSFORMATOR UND SAMMELSCHIENENSPANNUNGSAUSGLEICHSVERFAHREN DAFÜR
TRANSFORMATEUR À SEMI-CONDUCTEURS ET PROCÉDÉ ASSOCIÉ D'ÉGALISATION DE TENSIONS DE BARRES OMNIBUS
2024-03-20
Patent
Electronic Resource
English
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
PROTECTOR AND BUSBAR MODULE AND ASSEMBLING/PRODUCING METHODS THEREFOR
European Patent Office | 2016
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