In a rail vehicle passing along catenary voltage sections including an AC and a plurality of DCs, an arrangement is provided to solve a problem that the output of the vehicle is reduced under the lower voltage of the DC voltages and to achieve a reduction ...

A control apparatus for an AC electric motor vehicle including a converter 3 that converts an AC voltage input from an AC overhead wire via a transformer 2 into a DC voltage, an inverter 4 that converts the DC voltage into an AC voltage, and a motor 6 that...