ELECTRIC POWER SUPPLY DEVICE FOR DRIVE DEVICES FOR OPERATION OF A RAIL VEHICLE IN ELECTRIC DISTRIBUTION NETWORKS

摘要

1. An electric power supply device for drive devices for operating a rail vehicle in electrical distribution networks, the power supply device having: at least one electrical network connection (A) for connecting the device to the electrical distribution network, an electrical connection facing the engine (21, 22) for connecting the device to an intermediate circuit (ZK) of constant voltage, to which, in turn, is connected traction inverter (1 3) for operation of at least one traction motor (12), a rectifier device (M, M, M, M) for operating a rail vehicle in an alternating voltage network, wherein the rectifier device (M, M, M, M) is connected through the first the filter (2) with an electrical network connection (A) or with one of the electrical network connections and has several modules (M), in which in each case the first rectifier (15) is connected through the inverter (16) to the primary side of the transformer (17) , and through a transformer (17) is connected to a rectifier (18), the first rectifier (15) on its side of the alternating voltage through the first filter (2) connected to the electrical network connection (A) or to one of the electrical network connections, the second rectifier (18) on its side of the constant voltage connected to the electric side facing the engine (21, 22), and moreover, the connections (19, 20) of the alternating voltage of the first rectifier (15) are connected in series, but when operating the rail vehicle in the alternating voltage network