SYSTEM AND METHOD FOR DYNAMIC ENERGY LOAD BALANCING FOR ELECTRIC VEHICLE SUPPLY EQUIPMENTS

• US 20140375264A1
• Filed: 06/19/2013
• Published: 12/25/2014
• Est. Priority Date: 06/19/2013
• Status: Abandoned Application

• Current Assignee: Semaconnect, Inc. (Blink Charging Co.)
• Original Assignee: Semaconnect, Inc. (Blink Charging Co.)
• Inventors: REDDY, Mahidhar, KOLLARAMAJALU, Harsha, STANCHAK, Roman
• Application Number:
  US13/921,590
• Publication Number:
  US 20140375264A1
• Time in Patent Office: Days
• US Class Current: 320/109
• CPC Class Codes: B60L 53/63 in response to network capacity
• CPC Class Codes: G01R 21/06 by measuring current and voltage G01R21/08 - G01R21/133 take precedence
• 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 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: 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]

Abstract

A system and method is provided for managing energy load associated with a group of electric vehicle supply equipments (EVSEs). A server may determine a total load associated with the group of EVSEs. In response to a determination that the total load exceeds a predefined load limit, the server may generate an adjust load signal that is communicated to one or more EVSEs in the group of EVSEs.

Claims

1. An electric vehicle supply equipment (EVSE) comprising:

a sensor configured to measure an amount of current drawn by the EVSE;

a processor configured to;

determine an amount of power used by the EVSE; and

communicate the amount of power to a server.

2. The equipment of claim 1, wherein the processor is configured to determine the amount of power used by the EVSE when the EVSE is used for charging an electric vehicle.

3. A system for managing energy load, the system comprising:

a processor configured to;

receive, by each EVSE in a group of EVSEs, an amount of power used by the EVSE;

determine a total load on an electrical power grid based on the received amount of power used by each EVSE;

determine whether the total load exceeds a predefined load limit;

in response to a determination that the total load exceeds the predefined load limit, generate an adjust load signal; and

communicate the adjust load signal to each EVSE.

4. The system of claim 3, wherein processor is further configured to:

identify one or more EVSEs in the group of EVSEs that contribute to the total load; and

communicate the adjust load signal to the identified one or more EVSEs.

5. The system of claim 3, wherein the amount of power used by the EVSE is determined based on an amount of current drawn by the EVSE.

6. The system of claim 3, wherein the amount of power used by the EVSE is determined when the EVSE is used for charging an electric vehicle.

7. The system of claim 5, wherein the adjust load signal comprises an instruction to lower the amount of current drawn by the EVSE.

8. A method for managing energy load, the method comprising:

receiving, by each EVSE in a group of EVSEs, an amount of power used by the EVSE;

determining a total load on an electrical power grid based on the received amount of power used by each EVSE;

determining whether the total load exceeds a predefined load limit;

in response to a determination that the total load exceeds the predefined load limit, generating an adjust load signal; and

communicating the adjust load signal to each EVSE.

9. The method of claim 8, further comprising:

identifying one or more EVSEs in the group of EVSEs that contribute to the total load; and

communicating the adjust load signal to the identified one or more EVSEs.

10. The method of claim 8, wherein the amount of power used by the EVSE is determined based on an amount of current drawn by the EVSE.

11. The method of claim 8, wherein the amount of power used by the EVSE is determined when the EVSE is used for charging an electric vehicle.

12. The method of claim 10, wherein the adjust load signal comprises an instruction to lower the amount of current drawn by the EVSE.