A station building power supply device includes a circuit breaker to disconnect a connection with a train side, a circuit breaker to disconnect a connection with the station load side, a power converter disposed between the circuit breaker and the circuit breaker to convert the regenerative power into the AC power, a housing that houses the circuit breaker, the power converter, and the circuit breaker, a voltage sensor that detects a charged state of the housing, and a control unit that controls operations of the circuit breaker, of the power converter, and of the circuit breaker based on a detection result from the voltage sensor.

A vehicle propulsion system includes a combustion engine, an exhaust aftertreatment system connected to the combustion engine, and an electrical power collector for intermittently collecting electrical power from external power supply track during driving of the vehicle. The vehicle propulsion system includes a heating system that is arranged to heat at least one component of the exhaust aftertreatment system and/or the combustion engine. The electrical power collector is arranged for supplying the heating system with electrical power when collecting electrical power from the external power supply track.

A vehicle propulsion system includes a combustion engine, an exhaust aftertreatment system connected to the combustion engine, and an electrical power collector for intermittently collecting electrical power from external power supply track during driving of the vehicle. The vehicle propulsion system includes a heating system that is arranged to heat at least one component of the exhaust aftertreatment system and/or the combustion engine. The electrical power collector is arranged for supplying the heating system with electrical power when collecting electrical power from the external power supply track.

A locomotive regenerative electric energy feedback system with an ice melting function, comprising two regenerative electric energy feedback devices (1). A direct-current side positive electrode of the regenerative electric energy feedback device (1) is connected to a positive electrode bus of a subway traction network, wherein the positive electrode bus is connected to an uplink contact network and a downlink contact network respectively via a first switching switch (4) and a second switching switch (5). A direct-current side negative electrode of the regenerative electric energy feedback device (1) is connected to the downlink contact network or the uplink contact network via a third switching switch (2), and the direct-current side negative electrode is connected to a negative electrode bus of the subway traction network via a fourth switching switch (3). Further disclosed is a control method corresponding to the system. In the system and method, the ice melting function on a contact network circuit between two traction stations is achieved by means of switch switching and a control method for adjusting the regenerative electric energy feedback devices, and an original regenerative electric energy feedback device is used without adding an additional device, so that the reliability is high.

A locomotive regenerative electric energy feedback system with an ice melting function, comprising two regenerative electric energy feedback devices (1). A direct-current side positive electrode of the regenerative electric energy feedback device (1) is connected to a positive electrode bus of a subway traction network, wherein the positive electrode bus is connected to an uplink contact network and a downlink contact network respectively via a first switching switch (4) and a second switching switch (5). A direct-current side negative electrode of the regenerative electric energy feedback device (1) is connected to the downlink contact network or the uplink contact network via a third switching switch (2), and the direct-current side negative electrode is connected to a negative electrode bus of the subway traction network via a fourth switching switch (3). Further disclosed is a control method corresponding to the system. In the system and method, the ice melting function on a contact network circuit between two traction stations is achieved by means of switch switching and a control method for adjusting the regenerative electric energy feedback devices, and an original regenerative electric energy feedback device is used without adding an additional device, so that the reliability is high.

A vehicle may include a chassis, a motor, a pantograph, and a pantograph support structure. The pantograph may engage overhead wires and transmit electrical current to the motor. The pantograph support structure may include first and second leg frames, a lateral frame, and first and second bearing mount assemblies. The leg frames may include lower ends attached to the chassis. The lateral frame may be supported by the leg frames and disposed at upper ends of the leg frames. The lateral frame may support the pantograph. The first bearing mount assembly may be attached to the lower end of the first leg frame and may connect the first leg frame to the chassis. The second bearing mount assembly may be attached to the lower end of the second leg frame and may connect the second leg frame to the chassis.

A vehicle may include a chassis, a motor, a pantograph, and a pantograph support structure. The pantograph may engage overhead wires and transmit electrical current to the motor. The pantograph support structure may include first and second leg frames, a lateral frame, and first and second bearing mount assemblies. The leg frames may include lower ends attached to the chassis. The lateral frame may be supported by the leg frames and disposed at upper ends of the leg frames. The lateral frame may support the pantograph. The first bearing mount assembly may be attached to the lower end of the first leg frame and may connect the first leg frame to the chassis. The second bearing mount assembly may be attached to the lower end of the second leg frame and may connect the second leg frame to the chassis.

A locomotive regenerative electric energy feedback system with an ice melting function, comprising two regenerative electric energy feedback devices (1). A direct-current side positive electrode of the regenerative electric energy feedback device (1) is connected to a positive electrode bus of a subway traction network, wherein the positive electrode bus is connected to an uplink contact network and a downlink contact network respectively via a first switching switch (4) and a second switching switch (5). A direct-current side negative electrode of the regenerative electric energy feedback device (1) is connected to the downlink contact network or the uplink contact network via a third switching switch (2), and the direct-current side negative electrode is connected to a negative electrode bus of the subway traction network via a fourth switching switch (3). Further disclosed is a control method corresponding to the system. In the system and method, the ice melting function on a contact network circuit between two traction stations is achieved by means of switch switching and a control method for adjusting the regenerative electric energy feedback devices, and an original regenerative electric energy feedback device is used without adding an additional device, so that the reliability is high.

A locomotive regenerative electric energy feedback system with an ice melting function, comprising two regenerative electric energy feedback devices (1). A direct-current side positive electrode of the regenerative electric energy feedback device (1) is connected to a positive electrode bus of a subway traction network, wherein the positive electrode bus is connected to an uplink contact network and a downlink contact network respectively via a first switching switch (4) and a second switching switch (5). A direct-current side negative electrode of the regenerative electric energy feedback device (1) is connected to the downlink contact network or the uplink contact network via a third switching switch (2), and the direct-current side negative electrode is connected to a negative electrode bus of the subway traction network via a fourth switching switch (3). Further disclosed is a control method corresponding to the system. In the system and method, the ice melting function on a contact network circuit between two traction stations is achieved by means of switch switching and a control method for adjusting the regenerative electric energy feedback devices, and an original regenerative electric energy feedback device is used without adding an additional device, so that the reliability is high.

A power converter includes a chassis having attached thereto a holding fixture for mounting the chassis to a mounting portion in a suspended manner. The holding fixture includes a first member attached to a first surface of the chassis which faces the mounting portion, and a second member attached to the first member and a second surface of the chassis that adjoins the first surface.