Claims
- 1. A method for providing a reliability assessment of a power system having an integrated component, the method comprising:
retrieving individual component failure rates associated with individual components of the integrated component; and determining a failure rate based on the individual component failure rates.
- 2. The method as recited in claim 1, wherein the integrated component comprises at least two individual components and determining a failure rate comprises determining the failure rate according to the sum of failure rates of the at least two individual components.
- 3. The method as recited in claim 1, wherein the integrated component is a GIS module comprising a circuit breaker, a disconnector, a grounding switch, and a bushing including a current transformer and a potential transformer and determining a failure rate comprises determining the failure rate according to:
- 4. The method as recited in claim 1, wherein the integrated component is a PASS module comprising a circuit breaker, a disconnector, a grounding switch, and a bushing including a current transformer and a voltage transformer and determining a failure rate comprises determining the failure rate according to:
- 5. The method as recited in claim 1, wherein the integrated component is a LTB Combined module comprising a circuit breaker, a digital optical current transformer, and a grounding switch and determining a failure rate comprises determining the failure rate according to:
- 6. The method as recited in claim 1, wherein the integrated component is an Air Insulated Switchgear (AIS) comprising a circuit breaker, a disconnector, a digital optical current transformer, a grounding switch, and a set of fixed contacts and determining a failure rate comprises determining the failure rate according to:
- 7. The method as recited in claim 1, further comprising:
retrieving at least one individual component failure time associated with an individual component of the integrated component; and determining a failure time based on the individual component failure time.
- 8. The method as recited in claim 7, wherein determining a failure time comprises setting the determined failure time to the failure time of a circuit breaker of the integrated component if a removable portion of the integrated component is faulted and setting the determined failure time to the failure time of a set of fixed contacts if the set of fixed contacts is faulted.
- 9. The method as recited in claim 7, wherein determining a failure time comprises setting the determined failure time to the failure time of a circuit breaker of the integrated component.
- 10. The method as recited in claim 7, further comprising:
retrieving at least one individual component maintenance frequency associated with an individual component of the integrated component; and determining a maintenance frequency based on the individual component maintenance frequency.
- 11. The method as recited in claim 10, wherein determining a maintenance frequency comprises setting the determined maintenance frequency to the maintenance frequency of a circuit breaker of the integrated component.
- 12. The method as recited in claim 10, further comprising:
retrieving at least one individual component maintenance time associated with individual components of the integrated component; and determining a maintenance time based on at least one individual component maintenance time.
- 13. The method as recited in claim 12, wherein determining a maintenance time comprises setting the determined maintenance time to the maintenance time of a circuit breaker of the integrated component.
- 14. The method as recited in claim 12, wherein determining a maintenance time further comprises setting maintenance times of other components of the integrated component to zero.
- 15. The method as recited in claim 12, further comprising:
retrieving information representative of interconnectivity of individual components of the power system; and retrieving information representative of which individual components are associated with an integrated component.
- 16. The method as recited in claim 15, further comprising:
determining a reliability assessment based on the interconnectivity information, the information representative of which individual components are associated with an integrated component, the determined maintenance frequency and time of integrated components of the power system, and the determined failure rate and time of the integrated components of the power system.
- 17. The method as recited in claim 1, further comprising:
receiving a selection of individual components from a user interface; and storing each selected individual component with a common identification.
- 18. The method as recited in claim 17, further comprising:
selecting a unique identification number for the user-defined integrated component; and storing the unique identification number corresponding each selected individual component in a data store.
- 19. The method as recited in claim 18, further comprising:
receiving a name for the user-defined integrated component from a user interface; and storing the name corresponding user-defined integrated component in a data store associated with each selected individual component.
- 20. A reliability assessment system for a power system, the reliability assessment system comprising:
a first data store comprising information representative of the interconnectivity of individual components of a power system and information representative of which individual components are associated with an integrated component; a second data store comprising information representative of maintenance times, maintenance frequencies, failure rates, and failure times of individual components; and a computing application, the computing application cooperating with the first and second data stores and retrieving individual component failure rates associated with individual components of the integrated component, and determining a failure rate based on the individual component failure rates.
- 21. The system as recited in claim 20, wherein the integrated component comprises at least two individual components and determining a failure rate comprises determining the failure rate according to the sum of failure rates of the at least two individual components.
- 22. The system as recited in claim 20, wherein the integrated component is a GIS module comprising a circuit breaker, a disconnector, a grounding switch, and a bushing including a current transformer and a potential transformer and determining a failure rate comprises determining the failure rate according to:
- 23. The system as recited in claim 20, wherein the integrated component is a PASS module comprising a circuit breaker, a disconnector, a grounding switch, and a bushing including a current transformer and a voltage transformer and determining a failure rate comprises determining the failure rate according to:
- 24. The system as recited in claim 20, wherein the integrated component is a LTB Combined module comprising a circuit breaker, a digital optical current transformer, and a grounding switch and determining a failure rate comprises determining the failure rate according to:
- 25. The system as recited in claim 20, wherein the integrated component is an Air Insulated Switchgear (AIS) comprising a circuit breaker, a disconnector, a digital optical current transformer, a grounding switch, and a set of fixed contacts and determining a failure rate comprises determining the failure rate according to:
- 26. The system as recited in claim 20, wherein the processor further performs:
retrieving at least one individual component failure time associated with an individual component of the integrated component; and determining a failure time based on the individual component failure time.
- 27. The system as recited in claim 26, wherein determining a failure time comprises setting the determined failure time to the failure time of a circuit breaker of the integrated component if a removable portion of the integrated component is faulted and setting the determined failure time to the failure time of a set of fixed contacts if the set of fixed contacts is faulted.
- 28. The system as recited in claim 26, wherein determining a failure time comprises setting the determined failure time to the failure time of a circuit breaker of the integrated component.
- 29. The system as recited in claim 26, wherein the processor further performs:
retrieving at least one individual component maintenance frequency associated with an individual component of the integrated component; and determining a maintenance frequency based on the individual component maintenance frequency.
- 30. The system as recited in claim 29, wherein determining a maintenance frequency comprises setting the determined maintenance frequency to the maintenance frequency of a circuit breaker of the integrated component.
- 31. The system as recited in claim 29, wherein the processor further performs:
retrieving at least one individual component maintenance time associated with individual components of the integrated component; and determining a maintenance time based on at least one individual component maintenance time.
- 32. The system as recited in claim 31, wherein determining a maintenance time comprises setting the determined maintenance time to the maintenance time of a circuit breaker of the integrated component.
- 33. The system as recited in claim 31, wherein determining a maintenance time further comprises setting maintenance times of other components of the integrated component to zero.
- 34. The system as recited in claim 31, wherein the processor further performs:
retrieving information representative of interconnectivity of individual components of the power system; and retrieving information representative of which individual components are associated with an integrated component.
- 35. The system as recited in claim 34, wherein the processor further performs:
determining a reliability assessment based on the interconnectivity information, the information representative of which individual components are associated with an integrated component, the determined maintenance frequency and time of integrated components of the power system, and the determined failure rate and time of the integrated components of the power system.
- 36. The system as recited in claim 20, wherein the processor further performs:
receiving a selection of individual components from a user interface; and storing each selected individual component with a common identification.
- 37. The system as recited in claim 36, wherein the processor further performs:
selecting a unique identification number for the user-defined integrated component; and storing the unique identification number corresponding each selected individual component in a data store.
- 38. The system as recited in 37, wherein the processor further performs:
receiving a name for the user-defined integrated component from a user interface; and storing the name corresponding user-defined integrated component in a data store associated with each selected individual component.
- 39. A computer-readable medium having computer-readable instructions stored thereon for providing a reliability assessment of a power system having an integrated component, the instructions when executed on a processor performing the following:
retrieving individual component failure rates associated with individual components of the integrated component; and determining a failure rate based on the individual component failure rates.
- 40. The computer-readable medium as recited in claim 39, wherein the integrated component comprises at least two individual components and determining a failure rate comprises determining the failure rate according to the sum of failure rates of the at least two individual components.
- 41. The computer-readable medium as recited in claim 39, wherein the integrated component is a GIS module comprising a circuit breaker, a disconnector, a grounding switch, and a bushing including a current transformer and a potential transformer and determining a failure rate comprises determining the failure rate according to:
- 42. The computer-readable medium as recited in claim 39, wherein the integrated component is a PASS module comprising a circuit breaker, a disconnector, a grounding switch, and a bushing including a current transformer and a voltage transformer and determining a failure rate comprises determining the failure rate according to:
- 43. The computer-readable medium as recited in claim 39, wherein the integrated component is a LTB Combined module comprising a circuit breaker, a digital optical current transformer, and a grounding switch and determining a failure rate comprises determining the failure rate according to:
- 44. The computer-readable medium as recited in claim 39, wherein the integrated component is an Air Insulated Switchgear (AIS) comprising a circuit breaker, a disconnector, a digital optical current transformer, a grounding switch, and a set of fixed contacts and determining a failure rate comprises determining the failure rate according to:
- 45. The computer-readable medium as recited in claim 39, further comprising:
retrieving at least one individual component failure time associated with an individual component of the integrated component; and determining a failure time based on the individual component failure time.
- 46. The computer-readable medium as recited in claim 45, wherein determining a failure time comprises setting the determined failure time to the failure time of a circuit breaker of the integrated component if a removable portion of the integrated component is faulted and setting the determined failure time to the failure time of a set of fixed contacts if the set of fixed contacts is faulted.
- 47. The computer-readable medium as recited in claim 45, wherein determining a failure time comprises setting the determined failure time to the failure time of a circuit breaker of the integrated component.
- 48. The computer-readable medium as recited in claim 45, further comprising:
retrieving at least one individual component maintenance frequency associated with an individual component of the integrated component; and determining a maintenance frequency based on the individual component maintenance frequency.
- 49. The computer-readable medium as recited in claim 48, wherein determining a maintenance frequency comprises setting the determined maintenance frequency to the maintenance frequency of a circuit breaker of the integrated component.
- 50. The computer-readable medium as recited in claim 48, further comprising:
retrieving at least one individual component maintenance time associated with individual components of the integrated component; and determining a maintenance time based on at least one individual component maintenance time.
- 51. The computer-readable medium as recited in claim 50, wherein determining a maintenance time comprises setting the determined maintenance time to the maintenance time of a circuit breaker of the integrated component.
- 52. The computer-readable medium as recited in claim 50, wherein determining a maintenance time further comprises setting maintenance times of other components of the integrated component to zero.
- 53. The computer-readable medium as recited in claim 50, further comprising:
retrieving information representative of interconnectivity of individual components of the power system; and retrieving information representative of which individual components are associated with an integrated component.
- 54. The computer-readable medium as recited in claim 53, further comprising:
determining a reliability assessment based on the interconnectivity information, the information representative of which individual components are associated with an integrated component, the determined maintenance frequency and time of integrated components of the power system, and the determined failure rate and time of the integrated components of the power system.
- 55. The computer-readable medium as recited in claim 39, further comprising:
receiving a selection of individual components from a user interface; and storing each selected individual component with a common identification.
- 56. The computer-readable medium as recited in claim 55, further comprising:
selecting a unique identification number for the user-defined integrated component; and storing the unique identification number corresponding each selected individual component in a data store.
- 57. The computer-readable medium as recited in claim 56, further comprising:
receiving a name for the user-defined integrated component from a user interface; and storing the name corresponding user-defined integrated component in a data store associated with each selected individual component.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application claims the benefit of U.S. Provisional Application Serial No. 60/258,618 entitled “Reliability Assessment of Substation with GIS Type Modules”, filed Dec. 27, 2000, and the benefit of U.S. Provisional Application Serial No. 60/258,333 entitled “Reliability Assessment of Substation with AIS Type Modules”, also filed Dec. 27, 2000, both of which are hereby incorporated by reference in their entirety.
Provisional Applications (2)
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Number |
Date |
Country |
|
60258618 |
Dec 2000 |
US |
|
60258333 |
Dec 2000 |
US |