A locomotive, a first chopper circuit, and a second chopper circuit integrating a traction motor with an energy storage device are disclosed. The locomotive includes a prime mover, an energy management device, a DC power bus, a traction motor, an energy storage device, a resistor grid, and a chopper circuit. Each chopper circuit is controlled by the energy management device and includes a plurality of power semiconductors with variable switching frequency. The traction motor may be capable of operating in a motoring mode, where power is controllably supplied by either the prime mover and/or the energy storage device; and a dynamic braking mode, where generated power is controllably allocated to the energy storage device and/or the resistor grid.

The present disclosure discloses a rail transport system. The rail transport system includes: a rail, the rail includes a steering portion and a travelling portion, the travelling portion is connected to the steering portion, and a first recess is constructed on the travelling portion to form an escape passage; and a rail vehicle, where the rail vehicle includes bogies and a vehicle body, the bogie movably straddles the rail, the bogie fits in with an inner bottom surface of the escape passage of the travelling portion and the steering portion, and the bogie travels by using the travelling portion and is steered by using the steering portion, and the vehicle body is connected to the bogie and pulled by the bogie to travel along the rail. The rail transport system according to this embodiment of the present disclosure has advantages such as facilitation of evacuation of passengers in an emergency, low costs, small occupied space, small rail weight bearing, and high stability.

The present disclosure discloses a rail transport system. The rail transport system includes: a rail, the rail includes a steering portion and a travelling portion, the travelling portion is connected to the steering portion, and a first recess is constructed on the travelling portion to form an escape passage; and a rail vehicle, where the rail vehicle includes bogies and a vehicle body, the bogie movably straddles the rail, the bogie fits in with an inner bottom surface of the escape passage of the travelling portion and the steering portion, and the bogie travels by using the travelling portion and is steered by using the steering portion, and the vehicle body is connected to the bogie and pulled by the bogie to travel along the rail. The rail transport system according to this embodiment of the present disclosure has advantages such as facilitation of evacuation of passengers in an emergency, low costs, small occupied space, small rail weight bearing, and high stability.

A vehicle air-conditioning apparatus includes: a hot water heater core provided in a hot water circuit in which cooling water circulates in a heat source to recover waste heat of the heat source, and configured to exchange heat between the cooling water heated by the waste heat of the heat source and air to heat the air, thereby heating an inside of a vehicle by using the heated air; a heat pump configured to exchange heat between a refrigerant discharged from a refrigerant compressor and air by using an indoor heat exchanger to heat the air, thereby heating the inside of the vehicle by using the heated air; an electric heater configured to heat air to heat the inside of the vehicle; and a controller configured to select at least one of the hot water heater core, the heat pump and the electric heater to perform a heating operation.

Disclosed is an autonomous battery pod. The autonomous battery pod for harnessing kinetic energy of rotating wheels to produce electrical energy while the autonomous battery pod is movably coupled with a train is provided. The autonomous battery pod includes a turbine adapted for producing electrical energy using harnessed kinetic energy through a plurality of extendable wheels connected with the turbine using a plurality of gearbox; and a plurality of batteries electrically coupled with the turbine, adapted for storing produced electrical energy using harnessed kinetic energy through the plurality of extendable wheels connected to the turbine.

Disclosed is an autonomous battery pod. The autonomous battery pod for harnessing kinetic energy of rotating wheels to produce electrical energy while the autonomous battery pod is movably coupled with a train is provided. The autonomous battery pod includes a turbine adapted for producing electrical energy using harnessed kinetic energy through a plurality of extendable wheels connected with the turbine using a plurality of gearbox; and a plurality of batteries electrically coupled with the turbine, adapted for storing produced electrical energy using harnessed kinetic energy through the plurality of extendable wheels connected to the turbine.

The electric vehicle can include: a payload interface, a payload suspension, a chassis, a set of bumpers, a sensor suite, a controller, a chassis suspension, and an electric powertrain. The electric vehicle 100 can optionally include a payload adapter, a power source, a cooling subsystem, and/or any other suitable components. The electric vehicle functions to structurally support a payload, such as a cargo container (e.g., intermodal container, ISO container, etc.), and/or to facilitate transportation of a payload via railway infrastructure.

The electric vehicle can include: a payload interface, a payload suspension, a chassis, a set of bumpers, a sensor suite, a controller, a chassis suspension, and an electric powertrain. The electric vehicle 100 can optionally include a payload adapter, a power source, a cooling subsystem, and/or any other suitable components. The electric vehicle functions to structurally support a payload, such as a cargo container (e.g., intermodal container, ISO container, etc.), and/or to facilitate transportation of a payload via railway infrastructure.

A hybrid power locomotive and an energy balance control method and system thereof is disclosed. In embodiments of the disclosure, the energy utilization rate is maximized by means of self-adaptive matching of the rotating speed and the power, dynamic balance control over the actual output voltage of the power pack is achieved by means of charging and discharging control over the energy storage element, and energy waste and power pack overload are avoided.

A hybrid power locomotive and an energy balance control method and system thereof is disclosed. In embodiments of the disclosure, the energy utilization rate is maximized by means of self-adaptive matching of the rotating speed and the power, dynamic balance control over the actual output voltage of the power pack is achieved by means of charging and discharging control over the energy storage element, and energy waste and power pack overload are avoided.