An electric vehicle propulsion control device including a power storage device, the electric vehicle propulsion control device comprising: a power converting unit capable of performing bidirectional power flow control and configured to convert, when direct-current power from the power storage device is input from a first terminal side, the direct-current power into desired alternating-current power and output the alternating-current power from a second terminal side, convert, when direct-current power from a direct-current overhead wire is input from the first terminal side, the direct-current power into desired direct-current power or alternating-current power and output the direct-current power or the alternating-current power from the second terminal side, and convert, when the direct-current power from the direct-current overhead wire is input from the second terminal side, the direct-current power into desired direct-current power and output the direct-current power from the first terminal side; and a control unit configured to control an operation of the power converting unit, characterised in that, when converting the direct-current power from the power storage device input from the first terminal side into desired alternating-current power and outputting the alternating-current power from the second terminal side, the control unit causes the power converting unit to operate as an inverter, when converting the direct-current power from the direct-current overhead wire input from the first terminal side into desired direct-current power and outputting the direct-current power from the second terminal side, the control unit causes the power converting unit to operate as a step-down chopper, when converting the direct-current power from the direct-current overhead wire input from the first terminal side into desired alternating-current power and outputting the alternating-current power from the second terminal side, the control unit causes the power converting unit to operate as the inverter, and when converting the direct-current power from the direct-current overhead wire input from the second terminal side into desired direct-current power and outputting the direct-current power from the first terminal side, the control unit causes the power converting unit to operate as a step-up chopper. a power converting unit capable of performing bidirectional power flow control and configured to convert, when direct-current power from the power storage device is input from a first terminal side, the direct-current power into desired alternating-current power and output the alternating-current power from a second terminal side, convert, when direct-current power from a direct-current overhead wire is input from the first terminal side, the direct-current power into desired direct-current power or alternating-current power and output the direct-current power or the alternating-current power from the second terminal side, and convert, when the direct-current power from the direct-current overhead wire is input from the second terminal side, the direct-current power into desired direct-current power and output the direct-current power from the first terminal side; and a control unit configured to control an operation of the power converting unit, characterised in that, when converting the direct-current power from the power storage device input from the first terminal side into desired alternating-current power and outputting the alternating-current power from the second terminal side, the control unit causes the power converting unit to operate as an inverter, when converting the direct-current power from the direct-current overhead wire input from the first terminal side into desired direct-current power and outputting the direct-current power from the second terminal side, the control unit causes the power converting unit to operate as a step-down chopper, when converting the direct-current power from the direct-current overhead wire input from the first terminal side into desired alternating-current power and outputting the alternating-current power from the second terminal side, the control unit causes the power converting unit to operate as the inverter, and when converting the direct-current power from the direct-current overhead wire input from the second terminal side into desired direct-current power and outputting the direct-current power from the first terminal side, the control unit causes the power converting unit to operate as a step-up chopper.