Electric utility storm outage management

• US 7,010,437 B2
• Filed: 11/03/2003
• Issued: 03/07/2006
• Est. Priority Date: 11/03/2003
• Status: Expired due to Term

• Current Assignee: Hitachi Energy Limited (Hitachi, Ltd.)
• Original Assignee: ABB Research Ltd. (ABB Limited)
• Inventors: Lubkeman, David, Ochoa, J. Rafael, Bass, Martin, Julian, Danny E.
• Primary Examiner(s): Tsai, Carol S. W.
• Application Number:
  US10/700,080
• Publication Number:
  US 20050096856A1
• Time in Patent Office: 855 Days
• Field of Search: 702 2- 4, 702/58, 706/21, 706/930, 706/931, 340/7, 340/48, 340/500, 340/531, 340/539.28, 340/286.02
• US Class Current: 702/58
• CPC Class Codes: G06Q 50/06 Energy or water supply
• CPC Class Codes: Y04S 10/50 Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Abstract

Electric utility storm outage management is performed by determining an interconnection model of an electric utility power circuit, the power circuit comprising power circuit components, determining information indicative of weather susceptibility of the power circuit components, determining a weather prediction, and determining a predicted maintenance parameter based on the interconnection model, the weather susceptibility information, and the weather prediction.

Claims

1. A method for electric utility storm outage management, the method comprising:

providing an interconnection model for an electric utility power circuit that comprises power circuit components, the interconnection model including information about the layout of the power circuit and the interconnectivity of the power circuit components;

providing a store of weather susceptibility information for the power circuit components for different weather conditions, wherein the weather susceptibility information for the power circuit components is different for different weather conditions;

receiving a weather prediction; and

determining a predicted maintenance parameter for the power circuit based on the interconnection model, the weather susceptibility information, and the weather prediction.

2. The method as recited in claim 1, further comprising receiving information about the actual condition of the power circuit, and wherein determining the predicted maintenance parameter comprises determining the predicted maintenance parameter based on the interconnection model, the weather susceptibility information, the weather prediction, and the information about the actual condition of the power circuit.

3. The method as recited in claim 2, wherein the information about the actual condition comprises at least one of a power consumer observation report, a data acquisition system report, and a maintenance crew report.

4. The method as recited in claim 1, wherein the weather susceptibility information comprises at least one of power line component age, power line pole age, power line component ice susceptibility, and power line component wind susceptibility.

5. The method as recited in claim 1, wherein the weather prediction comprises at least one of predicted wind speed, a predicted storm duration, a predicted snowfall amount, a predicted icing amount, and a predicted rainfall amount.

6. The method as recited in claim 1, wherein the predicted maintenance parameter comprises a predicted maintenance crew requirement.

7. The method as recited in claim 6, wherein determining the predicted maintenance crew requirement comprises determining a predicted maintenance crew person-day requirement based on a predicted damage type.

8. The method as recited in claim 1, wherein the predicted maintenance parameter comprises a prediction of a location of power consumers affected by the predicted power circuit damage.

9. The method as recited in claim 1, wherein the predicted maintenance parameter comprises a prediction of a time to repair the predicted power circuit damage.

10. The method as recited in claim 1, wherein the predicted maintenance parameter comprises a prediction of a cast to repair the power circuit damage.

11. The method as recited in claim 1, wherein determining the predicted maintenance parameter comprises determining a predicted amount of damage to the power circuit.

12. The method as recited in claim 11, wherein the predicted amount of damage comprises at least one of a predicted number of broken power poles, a predicted number of downed power lines, and a predicted number of damaged power transformers.

13. The method as recited in claim 1, further comprising

determining an actual maintenance parameter corresponding to the predicted maintenance parameter;

and

using the predicted maintenance parameter and the actual maintenance parameter to modify parameters that were used to determine the predicted maintenance parameter.

25. The method of claim 1, wherein the weather susceptibility information includes failure probabilities for the power circuit components.

14. A system for electric utility storm outage management, the system comprising:

a model data store containing an interconnection model for an electric utility power circuit that comprises power circuit components, the interconnection model including information about the layout of the power circuit and the interconnectivity of the power circuit components;

an information data store containing weather susceptibility information for the power circuit components for different weather conditions, wherein the weather susceptibility information for the power circuit components is different for different weather conditions;

a computing engine operable to receive a weather prediction and to access the model data store and the information data store, said computing engine being configured to determine a predicted maintenance parameter for the power circuit based on the interconnection model, the weather susceptibility information, and the weather prediction.

15. The system as recited in claim 14, wherein the computing engine comprises:

a damage prediction engine that is capable of;

receiving the weather prediction; and

determining a per-unit damage prediction; and

a storm outage engine that is capable;

accessing the interconnection model of the power circuit;

accessing the information indicative of weather susceptibility of the power circuit components; and

determining a total damage prediction based on the interconnection model, the weather susceptibility information, and the per-unit damage prediction.

16. The system as recited in claim 15, wherein the computing engine further comprises a maintenance crew prediction engine that is capable of determining a predicted maintenance crew requirement for each type of damage predicted;

and

wherein the storm outage engine is further capable of determining a predicted total time to repair the damage based on the total damage prediction and the predicted maintenance crew requirement for each type of damage.

17. The system as recited in claim 14, wherein the computing engine is further capable of receiving information about the actual condition of the power circuit, and wherein determining the predicted maintenance parameter comprises determining the predicted maintenance parameter based on the interconnection model, the weather susceptibility information, the weather prediction, and the information about the actual condition of the power circuit.

18. The system as recited in claim 14, wherein the weather susceptibility information comprises at least one of power line component age, power line pole age, power line component ice susceptibility, and power line component wind susceptibility.

19. The system as recited in claim 14, wherein the weather prediction comprises at least one of predicted wind speed, a predicted storm duration, a predicted snowfall amount, a predicted icing amount, and a predicted rainfall amount.

20. The system as recited in claim 14, wherein the predicted maintenance parameter comprises a prediction of a location of power consumers affected by the predicted power circuit damage.

21. The system as recited in claim 14, wherein the predicted maintenance parameter comprises a prediction of a time to repair the predicted power circuit damage.

22. The system as recited in claim 14, wherein the predicted maintenance parameter comprises a prediction of a cost to repair the power circuit damage.

23. The system as recited in claim 14, wherein determining the predicted maintenance parameter comprises determining a predicted amount of damage to the power circuit.

24. The system as recited in claim 23, wherein the predicted amount of damage comprises at least one of a predicted number of broken power poles, a predicted number of downed power lines, and a predicted number of damaged power transformers.

26. The system of claim 14, wherein the weather susceptibility information includes failure probabilities for the power circuit components.