The invention relates to a multi-system power converter arrangement (1) for supplying a rail vehicle electrical drive motor (17, 18) from either an alternating current network (2) or from a direct current network (3). Said multi-system power converter arrangement (1) comprises a direct current intermediate circuit (4) that connects a network-side power converter (13, 15) to a load-side power converter (14, 16), as well as a pre-charge switching circuit (53), which comprises at least one pre-charge resistor (45, 47), for pre-charging said direct current intermediate circuit (4). Using a switching assembly, said pre-charge resistor (45, 47) can be optionally coupled to the alternating current network (2) or to the direct current network (3) for the purpose of pre-charging said direct current intermediate circuit (4).
VORLADESCHALTKREIS FÜR EINE MEHRSYSTEM-STROMRICHTERANORDNUNG
PRECHARGE CIRCUIT FOR A MULTI-SYSTEM POWER CONVERTER ARRANGEMENT
CIRCUIT DE PRÉCHARGE POUR UN ENSEMBLE DE CONVERTISSEUR DE PUISSANCE MULTI-SYSTÈME
2019-01-02
Patent
Electronic Resource
German
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
European Patent Office | 2020
|European Patent Office | 2020
|European Patent Office | 2021
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