| 摘要 |
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). |
