Variable topology distributed intelligence for utility grid control operation services

• US 9,331,480 B2
• Filed: 05/30/2012
• Issued: 05/03/2016
• Est. Priority Date: 05/31/2011
• Status: Active Grant

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: Taft, Jeffrey D.
• Primary Examiner(s): SHECHTMAN, SEAN P
• Application Number:
  US13/483,923
• Publication Number:
  US 20120310434A1
• Time in Patent Office: 1,434 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: B60L 2240/70 Interactions with external data bases, e.g. traffic centres
• CPC Class Codes: B60L 53/68 Off-site monitoring or control, e.g. remote control
• CPC Class Codes: G06Q 30/00 Commerce
• CPC Class Codes: G06Q 50/06 Energy or water supply
• CPC Class Codes: H02J 13/00002 characterised by monitoring
• CPC Class Codes: H02J 13/00016 using a wired telecommunication network or a data transmission bus
• CPC Class Codes: H02J 13/00034 the elements or equipment being or involving an electric power substation
• CPC Class Codes: H02J 3/00 Circuit arrangements for ac mains or ac distribution networks
• 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 10/72 Electric energy management in electromobility
• 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 40/124 using wired telecommunication networks or data transmission busses

Abstract

In one embodiment, a grid service controller receives advertisements from one or more grid service devices that indicate one or more grid control operations for which a corresponding grid service device is capable, and also maintains state and locality of the grid service devices. In response to receiving a request from a grid device for a particular grid control operation, the grid service controller may then direct the grid device to a particular grid service device capable of providing the particular grid control operation for the grid device based on the state and locality of the grid service devices, accordingly.

Claims

1. A method, comprising:

receiving, at a grid service controller, advertisements from each grid service device of a plurality of grid devices in communication with the grid service controller, the advertisements indicating one or more grid control operations for which a corresponding grid service device of the plurality of grid service devices is capable of executing for one or more grid devices of the plurality of grid devices at the corresponding grid service device of the plurality of grid service devices, wherein the one or more grid control operations are real-time application services;

maintaining a state and a locality of the one or more grid service devices of the plurality of grid service devices;

receiving a request from a grid device of the plurality of grid devices for a particular grid control operation of the one or more grid control operations; and

in response to receiving the request from the grid device of the plurality of grid devices for the particular grid control operation of the one or more grid control operations, sending, by the grid service controller, a reply to the grid device of the plurality of grid devices that directs the grid device of the plurality of grid devices to a particular grid service device of the plurality of grid service devices capable of providing the particular grid control operation of the one or more grid control operations for the grid device of the plurality of grid devices based on the state and the locality of the one or more grid service devices of the plurality of grid service devices in relation to the grid device of the plurality of grid devices.

2. The method as in claim 1, wherein the one or more grid control operations are distributed, and wherein directing comprises:

directing the grid device of the plurality of grid devices to the particular grid service device of the plurality of grid service devices based on a locality of the grid device of the plurality of grid devices in relation to a plurality of grid service devices capable of providing the particular grid control operation of the one or more grid control operations.

3. The method as in claim 2, further comprising:

determining that the locality of the grid device of the plurality of grid devices in relation to the particular grid service device of the plurality of grid service devices has changed; and

, in response,

redirecting the grid device of the plurality of grid devices to a different grid service device of the plurality of grid service devices based on the locality of the grid device of the plurality of grid devices in relation to the different grid service device of the plurality of grid service devices.

4. The method as in claim 2, wherein the locality is based on dynamic grid connectivity.

5. The method as in claim 1, further comprising:

determining a state change of the particular grid service device of the plurality of grid service devices; and

redirecting the grid device of the plurality of grid devices to a different grid service device of the plurality of grid service devices capable of providing the particular grid control operation of the one or more grid control operations.

6. The method as in claim 1, wherein the plurality of grid devices and the plurality of grid service devices are each selected from a group consisting of:

primary substation devices;

secondary substation devices;

grid control center devices;

grid monitoring center devices;

grid data center devices;

field area routers; and

grid edge devices.

7. The method as in claim 1, wherein the one or more grid control operations are grid observability services selected from:

grid intelligence services;

grid state determination services;

grid data management services;

grid data collection and aggregation services or a combination thereof.

8. The method as in claim 7, wherein grid intelligence services are selected from:

operations analytics;

asset analytics;

outage analytics;

fault analytics, or a combination thereof.

9. The method as in claim 1, wherein the one or more grid control operations are grid protection and control services selected from:

grid control federation services;

grid mid-level control services;

grid control disaggregation services;

grid low-level protection and control services or a combination thereof.

10. The method as in claim 9, wherein grid mid-level control services are selected from:

local grid flow control;

direct grid load control;

transactive or distribution locational marginal pricing (D-LMP)/active load management (ALM) signal propagation or a combination thereof.

11. The method as in claim 9, wherein grid low-level protection and control services are selected from:

local grid switching;

local grid feedback;

grid protection services or a combination thereof.

12. An apparatus, comprising:

a network interface to communicate with a plurality of grid devices and a plurality of grid service devices;

a processor coupled to the network interface and adapted to execute one or more processes; and

a memory configured to store a process executable by the processor, the process when executed operable to;

receive advertisements from each grid service device of the plurality of grid service devices in communication with the network interface, the advertisements indicating one or more grid control operations for which a corresponding grid service device of the plurality of grid service devices is capable of executing for one or more grid devices of the plurality of grid devices at the corresponding grid service device of the plurality of grid service devices, wherein the one or more grid control operations are real-time application services;

maintain a state and a locality of the one or more grid service devices of the plurality of grid service devices;

receive a request from a grid device of the plurality of grid devices for a particular grid control operation of the one or more grid control operations; and

in response to reception of the request from the grid device of the plurality of grid devices for the particular grid control operation of the one or more grid control operations, sending a reply to the grid device of the plurality of grid devices that directs the grid device of the plurality of grid devices to a particular grid service device of the plurality of grid service devices capable of providing the particular grid control operation of the one or more grid control operations for the grid device of the plurality of grid devices based on the state and the locality of the one or more grid service devices of the plurality of grid service devices in relation to the grid device of the plurality of grid devices.

13. The apparatus as in claim 12, wherein the one or more grid control operations are distributed, and wherein the process when executed to direct is further operable to:

direct the grid device of the plurality of grid devices to the particular grid service device of the plurality of grid service devices based on a locality of the grid device of the plurality of grid devices in relation to a plurality of grid service devices capable of providing the particular grid control operation of the one or more grid control operations.

14. The apparatus as in claim 12, wherein the process when executed is further operable to:

determine a state change of the particular grid service device of the plurality of grid service devices; and

redirect the particular grid device of the plurality of grid devices to a different grid service device of the plurality of grid service devices capable of providing the particular grid control operation of the one or more grid control operations.

15. The apparatus as in claim 12, wherein the one or more grid control operations are selected from:

grid intelligence services;

grid state determination services;

grid data management services;

grid data collection and aggregation services;

grid control federation services;

grid mid-level control services;

grid control disaggregation services;

grid low-level protection and control services;

or a combination thereof.

16. The apparatus as in claim 12, wherein the plurality of grid devices and the plurality of grid service devices are each selected from a group consisting of:

primary substation devices;

secondary substation devices;

grid control center devices;

grid monitoring center devices;

grid data center devices;

field area routers; and

grid edge devices.