Integrated power conversion topology for electric vehicles

Patent metadata

Field	Value
Publication number	US-11949330-B2
Application number	US-202117505265-A
Country	US
Kind code	B2
Filing date	Oct 19, 2021
Priority date	Oct 19, 2021
Publication date	Apr 2, 2024
Grant date	Apr 2, 2024

Abstract

Embodiments relate to a system comprising: a first module. The first module comprises a power receiving module configured to receive an input power from an energy source. The system further comprises a second module. The second module comprises a power conversion module configured to convert the input power to an output power. The system further comprises a third module. The third module comprises a control module for configuring the first module or the second module to perform a charging operation or a discharging operation. The first module, the second module and the third module are functionally integrated in the system to perform multiple modes of the charging operation or the discharging operation. The third module controls an impedance of the input power and the output power in the second module.

First claim

What is claimed is:

1. A system comprising:
a first module, wherein the first module comprises a power receiving module configured to receive an input power from an energy source;
a second module, wherein the second module comprises a power conversion module configured to convert the input power to an output power;
a third module, wherein the third module comprises a control module for configuring the first module and the second module to perform a charging operation and a discharging operation;
wherein the first module, the second module and the third module are functionally integrated to perform multiple modes of the charging operation and the discharging operation;
wherein the third module controls an impedance during the charging operation and the discharging operation by tuning an impedance matching network by controlling switching of capacitors and inductors of the impedance matching network; and
wherein the multiple modes of the charging operation and the discharging operation comprises at least one of:
charging of an electric charge storage through a power grid;
charging of the electric charge storage through a wireless source;
discharging of the electric charge storage to a DC voltage load; and
discharging of the electric charge storage to an AC voltage load.

2. The system of claim 1 , wherein the power receiving module comprises a wired connection.

3. The system of claim 1 , wherein the power receiving module comprises a wireless connection.

4. The system of claim 1 , wherein the input power comprises an electrical power.

5. The system of claim 1 , wherein the energy source comprises the power grid, the wireless source, and the electric charge storage.

6. The system of claim 5 , wherein the power receiving module receives the input power from the energy source one at a time.

7. The system of claim 5 , wherein the power grid comprises an alternating current power grid, a high voltage alternating current power grid, and a high voltage direct current power grid.

8. The system of claim 5 , wherein the wireless source comprises a magnetic field, an inductive field, a radio frequency source.

9. The system of claim 5 , wherein the electric charge storage comprises a battery.

10. The system of claim 5 , wherein the electric charge storage comprises a storage capacitor.

11. The system of claim 5 , wherein the charging operation comprises charging from the power grid, charging from the wireless source, and charging from the electric charge storage.

12. The system of claim 5 , wherein the discharging operation comprises discharging of the electric charge storage to a direct current voltage load and discharging of the electric charge storage to an alternating current voltage load.

13. The system of claim 12 , wherein the output power to the direct current voltage load is during charging from the power grid, charging through the wireless source, discharging of the electric charge storage to the direct current voltage load and discharging of the electric charge storage to the alternating current voltage load.

14. A method comprising:
receiving an input power from an energy source using a first module, wherein the first module comprises a power receiving module configured to receive the input power from the energy source;
converting the input power to an output power using a second module, wherein the second module comprises a power conversion module configured to convert the input power to the output power; and
performing a charging operation and a discharging operation using a third module, wherein the third module comprises a control module for configuring the first module and the second module to perform the charging operation and the discharging operation;
wherein the first module, the second module and the third module are functionally integrated to perform multiple modes of the charging operation and the discharging operation; wherein the third module controls an impedance during the charging operation and the discharging operation by tuning an impedance matching network by controlling switching of capacitors and inductors of the impedance matching network; and
wherein the multiple modes of the charging operation and the discharging operation comprises at least one of:
charging of an electric charge storage through a power grid;
charging of the electric charge storage through a wireless source;
discharging of the electric charge storage to a DC voltage load; and
discharging of the electric charge storage to an AC voltage load.

15. The method of claim 14 wherein the power receiving module comprises at least one of a wireless connection and a wired connection.

16. The method of claim 14 , wherein the energy source comprises a power grid, a wireless source, and an electric charge storage.

17. The method of claim 14 , wherein converting the input power to the output power comprises: configuring a circuit of the second module using the control module, by switching a switch and a converter to perform the charging operation and the discharging operation.

18. The method of claim 14 , wherein the charging operation comprises charging from a power grid, charging from a wireless source, and charging from an electric charge storage.

19. The method of claim 14 , wherein the control module is configured to control the impedance of the input power and the output power through a impedance matching network.

20. The method of claim 14 , wherein the multiple modes of the charging operation are operable one at a time.

Assignees

• Volvo Car Corp

Inventors

• Gannamaneni Narendar Rao

Classifications

• H02J2105/37

  exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] · CPC title

• H02M3/015 Primary

  with means for adaptation of resonance frequency, e.g. by modification of capacitance or inductance of resonance circuit · CPC title

• B60L53/12

  Inductive energy transfer · CPC title

• B60L53/14

  Conductive energy transfer · CPC title

• B60L53/53

  Batteries · CPC title