SYSTEMS AND METHODS FOR AUTOMATIC REAL-TIME CAPACITY ASSESSMENT FOR USE IN REAL-TIME POWER ANALYTICS OF AN ELECTRICAL POWER DISTRIBUTION SYSTEM

• US 20070239373A1
• Filed: 04/12/2007
• Published: 10/11/2007
• Est. Priority Date: 03/10/2006
• Status: Active Grant

• Current Assignee: Power Analytics Corporation (PAC Global, Inc.)
• Original Assignee: EDSA Micro Corporation (PAC Global, Inc.)
• Inventors: Nasle, Adib
• Granted Patent: US 8,959,006 B2
• Time in Patent Office: Days
• US Class Current: 702/58
• CPC Class Codes: G06F 2111/02 CAD in a network environment, e.g. collaborative CAD or distributed simulation
• CPC Class Codes: G06F 2119/06 Power analysis or power optimisation
• CPC Class Codes: G06F 30/20 Design optimisation, verification or simulation optimisation, verification or simulation of circuit designs G06F30/30
• CPC Class Codes: G06N 20/00 Machine learning
• CPC Class Codes: G06N 5/04 Inference or reasoning models
• CPC Class Codes: H04L 67/01 Protocols
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y04S 40/20 Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Abstract

A system for conducting a real-time power capacity assessment of an electrical system is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The data acquisition component is communicatively connected to a sensor configured to acquire real-time data output from the electrical system. The power analytics server is communicatively connected to the data acquisition component and is comprised of a virtual system modeling engine, an analytics engine and a machine learning engine. The machine learning engine is configured to store and process patterns observed from the real-time data output and the predicted data output, forecasting power capacity of the electrical system subjected to a simulated contingency event.

Claims

1. A system for conducting a real-time power capacity assessment of an electrical system, comprising:

a data acquisition component communicatively connected to a sensor configured to acquire real-time data output from the electrical system;

a power analytics server communicatively connected to the data acquisition component, comprising,

a virtual system modeling engine configured to generate predicted data output for the electrical system utilizing a virtual system model of the electrical system,

an analytics engine configured to monitor the real-time data output and the predicted data output of the electrical system, the analytics engine further configured to initiate a calibration and synchronization operation to update the virtual system model when a difference between the real-time data output and the predicted data output exceeds a threshold, and

a machine learning engine configured to store and process patterns observed from the real-time data output and the predicted data output, the machine learning engine further configured to forecast power capacity of the electrical system subjected to a contingency event; and

a client terminal communicatively connected to the power analytics server, the client terminal configured to allow for the selection of the contingency event and display a report of the forecasted power capacity.

2. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the machine learning engine is comprised of:

an associative memory layer;

a sensory layer; and

a neocortical model.

3. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein power capacity is a measure of the electrical system'"'"'s ability to maintain an acceptable voltage profile under different electrical system topologies and load changes.

4. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the contingency event relates to load shedding.

5. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the contingency event relates to load adding.

6. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the contingency event relates to loss of utility power supply to the electrical system.

7. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the contingency event relates to loss of a power generator in the electrical system.

8. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the contingency event relates to a loss of distribution infrastructure associated with the electrical system.

9. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the report includes a forecast of the electrical system'"'"'s ability to maintain an acceptable voltage profile when subjected to the contingency event.

10. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the report includes a forecast of total system power capacity.

11. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the report includes a forecast of available system power capacity.

12. The system for conducting a real-time power capacity assessment of an electrical system, as recited in claim 1, wherein the report includes a forecast of present utilized system capacity.

13. A method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, comprising:

updating a virtual system model of the electrical system in response to real-time data, wherein the virtual system model includes voltage stability model data for components comprising the electrical system;

choosing a contingency event to simulate;

determining power capacity of the electrical system by running an analysis of the updated virtual system model operating under conditions simulating the contingency event chosen; and

generating a report that forecasts the power capacity of the electrical system.

14. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the voltage stability model data includes load scaling data.

15. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the voltage stability model data includes generation scaling data.

16. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the voltage stability model data includes load growth factor data.

17. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the voltage stability model data includes load growth increment data.

18. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the contingency event relates to load shedding.

19. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the contingency event relates to load adding.

20. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the contingency event relates to loss of utility power supply to the electrical system.

21. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the contingency event relates to a loss of distribution infrastructure associated with the electrical system.

22. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein power capacity is a measure of the electrical system'"'"'s ability to maintain an acceptable voltage profile when subjected to the contingency event.

23. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the report includes a forecast of total system power capacity.

24. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the report includes a forecast of available system power capacity.

25. The method for conducting real-time power capacity assessment of an electrical system subjected to a contingency event, as recited in claim 13, wherein the report includes a forecast of present utilized system capacity.