Onboard power line conditioning system for an electric or hybrid vehicle

1. A power line quality conditioning system for a vehicle, the system comprising:

a direct current (DC) energy storage system;

a bidirectional matrix converter coupled to the DC energy storage system and comprising a control module and an alternating current (AC) interface to electrically couple the bidirectional matrix converter in parallel with an AC power source during a vehicle-to-source mode of operation, wherein the control module is configured to control operation of the bidirectional matrix converter during the vehicle-to-source mode of operation to condition an AC voltage at the AC interface using energy from the DC energy storage system; and

a data communication module coupled to the bidirectional matrix converter to receive data that influences conditioning of the AC voltage at the AC interface during the vehicle-to-source mode of operation.

2. The system of claim 1 , wherein the control module is configured to control operation of the bidirectional matrix converter during the vehicle-to-source mode of operation to provide AC power flow and compensation at the AC interface using energy from the DC energy storage system.

3. The system of claim 2 , wherein the control module is configured to:

obtain an instantaneous time domain voltage at the AC interface;

obtain an instantaneous time domain current at the AC interface;

obtain a power compensation request; and

process the instantaneous time domain voltage, the instantaneous time domain current, and the power compensation request to generate a time domain control current to control operation of a plurality of switches of the bidirectional matrix converter.

4. The system of claim 1 , wherein the control module is configured to control operation of the bidirectional matrix converter during the vehicle-to-source mode of operation to provide power harmonics control and compensation at the AC interface using energy from the DC energy storage system.

5. The system of claim 4 , wherein the control module is configured to:

obtain an instantaneous time domain voltage at the AC interface;

obtain an instantaneous time domain current at the AC interface;

obtain a DC voltage associated with the DC energy storage system; and

process the instantaneous time domain voltage, the instantaneous time domain current, and the DC voltage to generate a time domain control current to control operation of a plurality of switches of the bidirectional matrix converter.

6. The system of claim 1 , wherein the data indicates a requested real power component to be generated by the bidirectional matrix converter.

7. The system of claim 1 , wherein the data indicates a requested reactive power component to be generated by the bidirectional matrix converter.

8. The system of claim 1 , wherein the data originates from a component of an AC power grid.

9. The system of claim 1 , wherein the DC energy storage system comprises a DC energy source of an electric traction motor of the vehicle.

10. The system of claim 1 , wherein the control module is configured to control operation of the bidirectional matrix converter during a source-to-vehicle mode of operation to convert AC energy from the AC power source to charge the DC energy storage system.

11. A power line quality conditioning system for a vehicle, the system comprising:

a rechargeable direct current (DC) energy storage system onboard the vehicle and configured to provide DC energy to drive an electric traction motor of the vehicle;

an electrical system onboard the vehicle and coupled to the DC energy storage system, the electrical system configured to operate in a charging mode such that alternating current (AC) energy from a power grid external to the vehicle is converted to DC energy to charge the DC energy storage system, and the electrical system configured to operate in a vehicle-to-grid power conditioning mode such that DC energy from the DC energy storage system is converted to AC energy to condition an AC voltage of the power grid; and

a data communication module coupled to the electrical system to receive data that influences conditioning of the AC voltage during operation in the vehicle-to-grid power conditioning mode.

12. The system of claim 11 , wherein the electrical system comprises a bidirectional matrix converter.

13. The system of claim 12 , wherein the bidirectional matrix converter comprises a plurality of switches and a control module coupled to the plurality of switches and configured to control operation of the plurality of switches.

14. The system of claim 13 , wherein the control module is configured to control operation of the plurality of switches during the vehicle-to-grid power conditioning mode to provide AC power flow and compensation for the power grid.

15. The system of claim 14 , wherein the control module is configured to:

obtain an instantaneous time domain voltage at an AC interface between the power grid and the electrical system;

obtain an instantaneous time domain current at the AC interface;

obtain a power compensation request; and

process the instantaneous time domain voltage, the instantaneous time domain current, and the power compensation request to generate a time domain control current to control operation of the plurality of switches.

16. The system of claim 13 , wherein the control module is configured to control operation of the plurality of switches during the vehicle-to-grid power conditioning mode to provide power harmonics control and compensation for the power grid.

17. The system of claim 16 , wherein the control module is configured to:

obtain an instantaneous time domain voltage at an AC interface between the power grid and the electrical system;

obtain an instantaneous time domain current at the AC interface;

obtain a DC voltage associated with the DC energy storage system; and

process the instantaneous time domain voltage, the instantaneous time domain current, and the DC voltage to generate a time domain control current to control operation of the plurality of switches.

18. An onboard power line quality conditioning system for a vehicle, the system comprising:

a rechargeable direct current (DC) energy storage system onboard the vehicle and configured to provide DC energy to drive an electric traction motor of the vehicle;

an electrical system onboard the vehicle and configured for electrical coupling in parallel with an alternating current (AC) power grid to support a grid-to-vehicle charging mode and a vehicle-to-grid power conditioning mode;

an onboard control module for the electrical system, the control module configured to control operation of the electrical system during the vehicle-to-grid power conditioning mode to condition an AC voltage at an AC interface between the electrical system and the AC power grid; and

a data communication module coupled to the electrical system to receive data that influences conditioning of the AC voltage at the AC interface during the vehicle-to-grid power conditioning mode.

19. The system of claim 18 , wherein:

the control module is configured to control operation of the electrical system during the vehicle-to-grid power conditioning mode to provide AC power flow and compensation at the AC interface using energy from the DC energy storage system; and

the control module is configured to control operation of the electrical system during the vehicle-to-grid power conditioning mode to provide power harmonics control and compensation at the AC interface using energy from the DC energy storage system.