CHARGING SYSTEM FOR ELECTRIC VEHICLES

• US 20130069592A1
• Filed: 11/15/2012
• Published: 03/21/2013
• Est. Priority Date: 05/19/2010
• Status: Abandoned Application

• Current Assignee: ABB BV (ABB Limited)
• Original Assignee: ABB BV (ABB Limited)
• Inventors: BOUMAN, Crijn
• Application Number:
  US13/678,073
• Publication Number:
  US 20130069592A1
• Time in Patent Office: Days
• US Class Current: 320/109
• CPC Class Codes: B60L 53/11 DC charging controlled by the charging station, e.g. mode 4
• CPC Class Codes: B60L 53/20 characterised by converters located in the vehicle
• CPC Class Codes: B60L 53/302 Cooling of charging equipment
• CPC Class Codes: B60L 53/53 Batteries
• CPC Class Codes: B60L 53/55 Capacitors
• CPC Class Codes: B60L 53/56 Mechanical storage means, e.g. fly wheels
• CPC Class Codes: B60L 53/63 in response to network capacity
• CPC Class Codes: B60L 53/67 Controlling two or more charging stations
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 5/00 Circuit arrangements for transfer of electric power between ac networks and dc networks H02J3/36 takes precedence
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H02J 7/0019 using switched or multiplexed charge circuits
• CPC Class Codes: H02J 7/02 for charging batteries from ac mains by converters
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 10/92 Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y02T 90/167 : Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: Y04S 10/126 : the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
• CPC Class Codes: Y04S 30/12 : Remote or cooperative charging

Abstract

A charging system for electric vehicles is disclosed, which includes at least one charging port with an interface for power exchange with at least one electric vehicle, and at least one power converter for converting power from a power source such as a power grid to a suitable format for charging the vehicle. The power converter can be at a remote location from the charging port, such as a separate room, and/or a separate building.

Claims

1. A charging system for electric vehicles, comprising:

a plurality of charging ports, each with an interface for power exchange with at least one electric vehicle;

a plurality of power converters for converting power from a power source to a desired format for charging the vehicle;

a switchable connection matrix for connecting at least one power converter to at least one charging port;

at least one controller for controlling at least one of the power converters, and/or for controlling the switching operations of the connection matrix and at least one power converter; and

communication means for exchanging parameters with the at least one electric vehicle.

2. A charging system according to claim 1, wherein the at least one power converter and the connection matrix are at a remote location from the charging port.

3. A charging system according to claim 2, wherein the remote location comprises:

at least one power converter with at least two DC outputs on that same converter.

4. A charging system according to claim 3, wherein the remote location is a transformer house or forms part thereof.

5. A charging system according to claim 3, wherein the remote location comprising:

an energy storage system.

6. A charging system according to claim 5, wherein the energy storage system is battery system, capacitor system or flywheel.

7. A charging system according to claim 6, wherein the power converter is physically arranged below a charging port.

8. A charging system according to claim 5, wherein the controller is an internal controller in connection matrix to control the operation of said connection matrix.

9. A charging system according to claim 8, wherein the connection matrix can be controlled based on input from an internet connected system or computer implemented method.

10. A charging system according to claim 5, wherein the connection matrix is controllable based on decision rules.

11. A charging system according to claim 10, wherein the controller is coupled to the plurality of power converters via the internet from a remote location.

12. A charging system according to claim 2, wherein the remote location is a transformer house or forms part thereof.

13. A charging system according to claim 2, wherein the remote location comprises:

an energy storage system.

14. A charging system according to claim 13, wherein the plurality of power converters and the transformer are located in separate rooms within the remote location.

15. A charging system according to claim 1, wherein the power converter is physically arranged below a charging port.

16. A charging system according to claim 1, wherein the controller is an internal controller in connection matrix to control the operation of said connection matrix.

17. A charging system according to claim 1, wherein the connection matrix can be controlled based on input from an internet connected system or computer implemented method.

18. A charging system according to claim 15, wherein the connection matrix is controllable based on decision rules.

19. A charging system according to claim 16, wherein the controller is coupled to the plurality of power converters via the internet from a remote location.

20. A method for operating a switchable connection matrix, comprising:

(a) assigning for connecting at least one power converter at least one charging port having an interface for power exchange with a vehicle, the method for charging a vehicle to a priority to each charging port based on at least one parameter;

(b) determining power requested on each charging port;

(c) distributing power modules among the charging ports based on the priority and the requested power; and

(d) repeating steps of a-c.