A passenger compartment which has a first connection device, by which the passenger compartment can be coupled to an aircraft, and a second connection device, by which the passenger compartment can be coupled to a land vehicle. The passenger compartment has an electrical circuit with an electrical energy storage. The electrical circuit of the passenger compartment has a coupling device by which electrical energy can be input from the electrical energy storage into an electrical circuit of the aircraft. The electrical circuit of the passenger compartment has a further coupling device by which electrical energy can be input from the electrical energy storage into an electrical circuit of the land vehicle.

A system is provided herein. The system includes modules of an electric vehicle and a power receiver of the electric vehicle. The power receiver includes receiving coils and a controller. Each of the receiving coils directly and separately connects to a separate one of the modules. The controller monitors currents to and from each of the modules and modifies operation points of each of the modules by changing frequency or duty cycle to achieve a target current.

An accessory power system includes an accessory power module having primary power switches, a transformer, and secondary rectifiers. The primary power switches are electrically connected to the high-voltage bus, and the secondary rectifiers are electrically connected to the low-voltage bus. A peak detector is coupled to the high-voltage bus. A controller is in communication with the peak detector circuit, and operatively connected to the primary power switches. The controller dynamically monitors, via the peak detector circuit, a ripple voltage of the high-voltage bus, compares the monitored voltage with a maximum threshold voltage, and disables the plurality of primary power switches when the ripple voltage of the high-voltage bus is greater than the maximum threshold voltage, and reactivates the primary power switches when the ripple voltage of the high-voltage bus is less than the maximum threshold voltage.

An accessory power system includes an accessory power module having primary power switches, a transformer, and secondary rectifiers. The primary power switches are electrically connected to the high-voltage bus, and the secondary rectifiers are electrically connected to the low-voltage bus. A peak detector is coupled to the high-voltage bus. A controller is in communication with the peak detector circuit, and operatively connected to the primary power switches. The controller dynamically monitors, via the peak detector circuit, a ripple voltage of the high-voltage bus, compares the monitored voltage with a maximum threshold voltage, and disables the plurality of primary power switches when the ripple voltage of the high-voltage bus is greater than the maximum threshold voltage, and reactivates the primary power switches when the ripple voltage of the high-voltage bus is less than the maximum threshold voltage.

An electric vehicle may be equipped with a swappable battery, and a power source management method. The electric vehicle includes a motor, an inverter configured to exchange three-phase power with the motor, a main battery unit which may be electrically connected to the inverter, includes a first battery and a first BMS for controlling the first battery, and may be fixedly disposed in the electric vehicle, an OBC which may be connected between the main battery unit and the inverter and includes a DC converter, and a switch unit configured to selectively connect a connector and the DC converter to each other, or the connector and the motor to each other, in which, when a swappable battery unit including a second battery and a second BMS for controlling the second battery may be connected to the connector, the first BMS acquires second-battery information output by the second BMS.

An electrified vehicle may be additionally equipped with a swappable battery, and a power source management method for the same. The electrified vehicle includes a driving power unit including a motor and an inverter, a main battery unit electrically connected to the driving power unit, the main battery unit including a first battery and a first BMS for controlling the first battery, the main battery unit being fixedly disposed in the electrified vehicle, and a DC converter electrically connected to the main battery unit, the DC converter including a connector, in which, when a swappable battery unit including a second battery and a second BMS for controlling the second battery may be connected to the connector, the first BMS acquires second battery information output by the second BMS.

The present invention discloses an on-board integrated charging device and a current distribution calculating method thereof. The on-board integrated charging device comprises a voltage conversion module. The voltage conversion module is provided with an AC terminal connected to an alternating current or an alternating current load, an HV terminal connected to a power battery and an LV terminal connected to a direct current load. When the AC terminal is idle, the LV terminal is powered by the HV terminal, and an input current of the LV terminal is an actual current of the HV terminal. According to the on-board integrated charging device, OBC, DCAC and DCDC functions can be integrated on the same circuit board, a current reporting requirement can be realized through a distribution algorithm, and the volume and weight of the whole device can be reduced.

The present invention discloses an on-board integrated charging device and a current distribution calculating method thereof. The on-board integrated charging device comprises a voltage conversion module. The voltage conversion module is provided with an AC terminal connected to an alternating current or an alternating current load, an HV terminal connected to a power battery and an LV terminal connected to a direct current load. When the AC terminal is idle, the LV terminal is powered by the HV terminal, and an input current of the LV terminal is an actual current of the HV terminal. According to the on-board integrated charging device, OBC, DCAC and DCDC functions can be integrated on the same circuit board, a current reporting requirement can be realized through a distribution algorithm, and the volume and weight of the whole device can be reduced.

A power supply system includes: a voltage converter that converts a voltage between first and second power circuits; a power controller that controls charging and discharging of first and second batteries; a cooling output controller that controls cooling output for the second battery; a temperature remaining-capacity acquirer that acquires a temperature remaining-capacity T2_mar; and a cooling remaining-capacity acquirer that acquires a cooling remaining-capacity PC2_mar depending on a difference between maximum cooling output and the cooling output of the second cooler. The power controller is configured to stop the voltage converter in a case where at least one of the temperature remaining-capacity T2_mar and the cooling remaining-capacity PC2_mar is less than an associated one of a threshold value for the temperature remaining-capacity and a threshold value for the cooling remaining-capacity and a potential difference between the first and second batteries is equal to or more than a potential difference threshold value.

A power supply system includes: a voltage converter that converts a voltage between first and second power circuits; a power controller that controls charging and discharging of first and second batteries; a cooling output controller that controls cooling output for the second battery; a temperature remaining-capacity acquirer that acquires a temperature remaining-capacity T2_mar; and a cooling remaining-capacity acquirer that acquires a cooling remaining-capacity PC2_mar depending on a difference between maximum cooling output and the cooling output of the second cooler. The power controller is configured to stop the voltage converter in a case where at least one of the temperature remaining-capacity T2_mar and the cooling remaining-capacity PC2_mar is less than an associated one of a threshold value for the temperature remaining-capacity and a threshold value for the cooling remaining-capacity and a potential difference between the first and second batteries is equal to or more than a potential difference threshold value.