Methods and apparatus for managing energy services from a plurality of devices

• US 9,452,684 B2
• Filed: 10/27/2011
• Issued: 09/27/2016
• Est. Priority Date: 10/27/2010
• Status: Active Grant

• Current Assignee: AES Corporation
• Original Assignee: AES Corporation
• Inventors: Shelton, John Christopher, Zahurancik, John Michael
• Primary Examiner(s): SHECHTMAN, SEAN P
• Application Number:
  US13/283,093
• Publication Number:
  US 20120109403A1
• Time in Patent Office: 1,797 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: B60L 2240/545 Temperature
• CPC Class Codes: B60L 3/0069 relating to the isolation, e.g. ground fault or leak current
• CPC Class Codes: B60L 3/04 Cutting off the power supply under fault conditions protective devices and circuit arrangements in general H01H; H02H
• CPC Class Codes: B60L 53/16 Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/18 Cables specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/305 Communication interfaces
• CPC Class Codes: B60L 53/31 Charging columns specially adapted for electric vehicles
• CPC Class Codes: B60L 53/51 Photovoltaic means
• CPC Class Codes: B60L 53/53 Batteries
• CPC Class Codes: B60L 53/54 Fuel cells
• CPC Class Codes: B60L 53/62 in response to charging parameters, e.g. current, voltage or electrical charge
• CPC Class Codes: B60L 53/63 in response to network capacity
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: B60L 53/665 Methods related to measuring, billing or payment
• CPC Class Codes: B60L 53/68 Off-site monitoring or control, e.g. remote control
• CPC Class Codes: B60L 55/00 Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
• CPC Class Codes: B60L 58/12 responding to state of charge [SoC]
• CPC Class Codes: B60W 10/26 for electrical energy, e.g. batteries or capacitors
• CPC Class Codes: G06Q 10/06 Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
• CPC Class Codes: G06Q 20/40 Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
• CPC Class Codes: G06Q 30/04 : Billing or invoicing
• CPC Class Codes: G06Q 40/12 : Accounting
• CPC Class Codes: G06Q 50/06 : Energy or water supply
• CPC Class Codes: G07F 15/005 : dispensed for the electrical charging of vehicles electrical charging as such, B60L50/00
• CPC Class Codes: G07F 15/008 : Rewarding for providing delivery of electricity to the network
• CPC Class Codes: H02J 13/0005 : the elements or equipment being or involving power plugs or sockets
• CPC Class Codes: H02J 2310/00 : The network for supplying or distributing electric power characterised by its spatial reach or by the load
• CPC Class Codes: H02J 2310/22 : The load being a portable electronic device
• CPC Class Codes: H02J 4/00 : Circuit arrangements for mains or distribution networks not specified as ac or dc
• CPC Class Codes: H02J 7/00032 : characterised by data exchange
• CPC Class Codes: H02J 7/00036 : Charger exchanging data with battery
• CPC Class Codes: H02J 7/00047 : with provisions for charging different types of batteries
• CPC Class Codes: H02J 7/0014 : Circuits for equalisation of charge between batteries
• 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: 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 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
• CPC Class Codes: Y04S 50/00 : Market activities related to the operation of systems integrating technologies related to power network operation or related to communication or information technologies
• CPC Class Codes: Y04S 50/12 : Billing, invoicing, buying or selling transactions or other related activities, e.g. cost or usage evaluation
• CPC Class Codes: Y04S 50/16 : Energy services, e.g. dispersed generation or demand or load or energy savings aggregation

Abstract

Methods and apparatus for managing energy services are disclosed. One method includes: reporting, by a respective asset of the first type, an identifier associated with a grid connection point that establishes a location of the respective asset of the first type at the grid connection point on the electric grid; receiving, by the respective asset of the first type, operating conditions for realizing the energy service, the received conditions being based on the established location of the respective asset of the first type on the grid; and operating the respective asset of the first type in accordance with the received operating conditions to realize the energy service. An energy service controller includes a communication unit for receiving, from a mobile asset, an identifier associated with a grid connection point connected to the asset and a processor for determining a location of the asset on the grid based on the identifier.

Claims

1. A method of managing an energy service for a mobile asset connected to a grid connection point on an electric grid, comprising:

reporting, by the mobile asset, an identifier associated with the grid connection point that establishes a location of the mobile asset at the grid connection point on the electric grid;

receiving, at the mobile asset, one or more operating conditions for realizing the energy service, the received operating conditions are determined based on operating constraints of the electric grid associated with the established location of the mobile asset on the electric grid, wherein the operating constraints of the electric grid associated with the established location of the mobile asset are determined by modeling of the electric grid in a vicinity of the grid connection point connected to the mobile asset;

operating the mobile asset in accordance with the received one or more operating conditions to realize the energy service;

receiving, at the mobile asset, a signal indicating one or more energy services that are offered to the mobile asset;

selecting, by the mobile asset, one of the offered energy services, as the energy service to be realized;

setting, by the mobile asset, a quantity of the selected energy service to be realized; and

controlling the mobile asset to achieve the set quantity of the selected energy service.

2. The method of claim 1, wherein the selecting of one of the offered energy services includes selecting an energy service to provide:

power from the mobile asset to the grid connection point;

a spinning reserve service from the mobile asset;

a frequency support service from the mobile asset;

a regulation service from the mobile asset;

or

a VAR support service from the mobile asset.

3. The method of claim 1, wherein the reporting of the identifier associated with the grid connection point includes:

positioning an identification module in an operating range of an identification tag associated with the grid connection point used by the mobile asset for the energy service; and

reading, by the identification module, the identifier of the grid connection point.

4. The method of claim 1, further comprising:

establishing, by an energy service controller, the location of the mobile asset at the grid connection point on the electric grid; and

sending, by the energy service controller to the mobile asset, the determined one or more operating conditions for realizing the energy service.

5. The method of claim 1, wherein the offered energy services include a VAR support service, the VAR support service is selected from among the offered energy services, and the VAR support service includes performing control to adjust a power factor in response to a power factor of the electric grid being below a threshold value.

6. The method of claim 1, wherein the modeling of the electric grid in the vicinity of the mobile asset is based on voltages or currents at different points on the grid.

7. The method of claim 1, wherein the modeling of the electric grid in the vicinity of the mobile asset includes performing simulations to verify that the mobile asset can charge or discharge at a particular level or within a particular range of levels within operating constraints of the electric grid.

8. A method of managing an energy service for a mobile asset connected to a grid connection point of an electric grid, comprising:

receiving, by an energy service controller, an identifier associated with the grid connection point connected to the mobile asset;

determining, by the energy service controller, a location of the mobile asset on the electric grid based on the received identifier;

determining, by the energy service controller, one or more operating conditions for realizing the energy service in accordance with at least operating constraints of the electric grid associated with the determined location of the mobile asset on the electric grid, wherein the operating constraints of the electric grid associated with the determined location of the mobile asset are determined by modeling of the electric grid in a vicinity of the grid connection point connected to the mobile asset;

sending, by the energy service controller to the mobile asset, the determined one or more operating conditions for realizing the energy service;

storing, in a lookup table, a plurality of records, each of the plurality of records including;

an identifier associated with a respective grid connection point; and

a location of the respective grid connection point on the electric grid;

referencing the location of the mobile asset on the grid based on the identifier received by the energy service controller using the lookup table;

sending, by the energy service controller to the mobile asset, a signal indicating one or more energy services that are offered to the mobile asset;

receiving, by the energy service controller, a selection from the mobile asset of one of the offered energy services, as the energy service to be realized;

receiving, by the energy service controller, a quantity of the selected energy service to be realized that has been set by the mobile asset; and

controlling the mobile asset to achieve the set quantity of the selected energy service.

9. The method of claim 8, wherein the determining of the location of the mobile asset on the electric grid includes:

associating a plurality of grid connection points to a plurality of corresponding electrical locations on the electric grid; and

referencing the electrical location of the mobile asset on the grid based on the identifier received, the method further comprising;

controlling, by the energy services controller, the operating conditions of the mobile asset in accordance with a result of the modeling.

10. A method of managing an energy service for an asset connected to a grid connection point of an electric grid, comprising:

receiving, at an energy service controller from the asset, an indicator;

referencing, by the energy service controller, the indicator to determine a vicinity of the asset on the electric grid;

generating, by the energy service controller, a control signal including control information for realizing the energy service, the control information being based on an operating constraint of the electric grid associated with the determined vicinity of the asset on the electric grid, wherein the operating constraint of the electric grid associated with the determined vicinity of the asset is determined by modeling of the electric grid in a vicinity of the grid connection point connected to the asset, and an operating constraint indicated by the received indicator;

sending, by the energy service controller to the asset, the control signal;

sending, by the energy service controller, a signal indicating one or more energy services that are offered to the asset;

receiving, by the energy service controller, a selection of one of the offered energy services, as the energy service to be realized;

receiving, by the energy service controller, a quantity of the selected energy service to be realized that has been set by the asset; and

controlling the asset to achieve the set quantity of the selected energy service.

11. The method of claim 10, further comprising:

receiving, by the asset, the control signal for realizing the energy service, the received control signal including the control information that is based on one of;

a predetermined location of the asset when the asset is a fixed asset;

or

the location associated with the grid connection point when the asset is a mobile asset.

12. A method of managing an energy service for a plurality of assets of different types connected to grid connection points of an electric grid, the method comprising:

reporting, by a respective asset, connection information including an asset identifier, responsive to the respective asset being connected to a respective grid connection point;

receiving, at the respective asset, one or more operating conditions for realizing the energy service, the received operating conditions are determined based on operating constraints of the electric grid associated with a predetermined location of the respective asset on the electric grid, wherein the operating constraints of the electric grid associated with the predetermined location of the respective asset are determined by modeling of the electric grid in a vicinity of the grid connection point connected to the respective asset;

operating the respective asset in accordance with the received one or more operating conditions to realize the energy service;

receiving, at the respective asset, a signal indicating one or more energy services that are offered to the respective asset;

selecting, by the respective asset, one of the offered energy services, as the energy service to be realized;

setting, by the respective asset, a quantity of the selected energy service to be realized; and

controlling the respective asset to achieve the set quantity of the selected energy service.

13. A mobile asset for realizing an energy service, the mobile asset being connected to a grid connection point of an electric grid, the mobile asset comprising:

a communication module configured to;

report an identifier associated with the grid connection point that establishes a location of the mobile asset at the grid connection point on the electric grid; and

receive one or more operating conditions for realizing the energy service, the received operating conditions are determined based on operating constraints of the electric grid associated with the established location of the mobile asset on the electric grid, wherein the operating constraints of the electric grid associated with the established location of the mobile asset are determined by modeling of the electric grid in a vicinity of the grid connection point connected to the mobile asset; and

a processor configured to operate the mobile asset in accordance with the received one or more operating conditions to realize the energy service,

wherein the communication module receives a signal indicating one or more energy services that are offered to the mobile asset, and the processor selects one of the offered energy services, as the energy service to be realized, and

wherein the mobile asset sets a quantity of the selected energy service to be realized, and the processor is configured to control the mobile asset to achieve the set quantity of the selected energy service.

14. The mobile asset of claim 13, further comprising:

an identification module, positioned in an operating range of an identification tag associated with the grid connection point used by the mobile asset for the energy service, configured to read an identifier of the grid connection point.

15. An energy service controller configured to manage an energy service realized by a mobile asset connected to a grid connection point of an electric grid, the energy service controller comprising:

a communication unit configured to receive from the mobile asset an identifier associated with the grid connection point connected to the mobile asset; and

a processor configured to determine a location of the mobile asset on the electric grid based on the identifier received by the communication unit, and for determining one or more operating conditions for realizing the energy service in accordance with at least operating constraints of the electric grid associated with the determined location of the mobile asset on the electric grid, wherein the operating constraints of the electric grid associated with the determined location of the mobile asset are determined by modeling of the electric grid in a vicinity of the grid connection point connected to the mobile asset,

wherein the communication unit is configured to send to the mobile asset the determined one or more operating conditions for realizing the energy service;

wherein the communication unit is configured to send, to the mobile asset, a signal indicating one or more energy services that are offered to the mobile asset;

wherein the communication unit is configured to receive from the mobile asset a selection of one of the offered energy services, as the energy service to be realized;

wherein the communication unit is configured to receive from the mobile asset a quantity of the selected energy service to be realized that has been set by the mobile asset; and

wherein the mobile asset is controlled to achieve the set quantity of the selected energy service.

16. The energy service controller of claim 15, further comprising:

a lookup table or database storing a plurality of records, each of the plurality of records including;

an identifier associated with a respective grid connection point; and

a location of the respective grid connection point on the electric grid, wherein the processor references the location of the mobile asset on the electric grid based on the identifier received using the lookup table.

17. The energy service controller of claim 15, wherein the processor controls setting of the operating conditions of the mobile asset in accordance with a result of the modeling.

18. A method of managing an electric grid in which a plurality of mobile devices, each having an energy storage unit, are connected to respective grid connection points to realize energy services, comprising:

reporting, by each respective mobile device, a connection of the respective mobile device to a grid connection point and constraints of the respective mobile device for realizing the energy services;

receiving, by the respective mobile device, authorization for the energy services to be realized based on at least the reported constraints from the respective mobile device;

realizing, by the respective mobile device, the authorized energy services;

determining constraints of the electric grid for realizing the energy services based on modeling of the electric grid in a vicinity of the grid connection point associated with the connection;

receiving, at the respective mobile device, a signal indicating one or more energy services that are offered to the respective mobile device;

selecting, by the respective mobile device, one of the offered energy services, as the energy service to be realized;

setting, by the respective mobile device, a quantity of the selected energy service to be realized; and

controlling the respective mobile device to achieve the set quantity of the selected energy service,

wherein the receiving authorization includes setting the energy services to be realized based on the reported constraints and the determined constraints, and

wherein the realizing of the authorized energy services includes permitting, by the mobile device, the realizing of the energy services in response to energy services that satisfy the reported constraints and includes blocking, by the mobile device, the realizing of the energy services in response to energy services that do not satisfy the reported constraints.

19. The method of claim 18, wherein the authorizing of the energy services to be realized for each respective mobile device includes modeling, by a modeling unit, behaviors of the plurality of connected mobile devices and the electric grid to determine the energy services to be realized by each respective, connected mobile device.

20. A non-transitory computer readable storage medium having program instructions stored thereon for managing an energy service for a first type of asset connected to a grid connection point of an electric grid, executable on a computing device, the instructions comprising:

instructions for reporting an identifier associated with the grid connection point that establishes a location of the respective asset of the first type at the grid connection point on the electric grid;

instructions for receiving one or more operating conditions for realizing the energy service, the received operating conditions are determined based on operating constraints of the electric grid associated with the established location of the respective asset of the first type on the electric grid, wherein the operating constraints of the grid associated with the established location of the respective asset are determined by modeling of the electric grid in a vicinity of the grid connection point connected to the respective asset;

instructions for operating the respective asset of the first type in accordance with the received one or more operating conditions to realize the energy service;

instructions for receiving a signal indicating one or more energy services that are offered to the respective asset;

instructions for receiving a selection of one of the offered energy services, as the energy service to be realized, from the respective asset;

instructions for receiving from the respective asset a quantity of the selected energy service to be realized that has been set by the respective asset; and

instructions for controlling the mobile asset to achieve the set quantity of the selected energy service.