IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0373675
(2003-02-25)
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발명자
/ 주소 |
- Jiang,Mingxiao
- Sealing,Charles Scott
- Berkcan,Ertugrul
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출원인 / 주소 |
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대리인 / 주소 |
Ohlandt, Greeley, Ruggiero &
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인용정보 |
피인용 횟수 :
2 인용 특허 :
197 |
초록
▼
A method and system and a computer program for improving reliability of a centrally-controlled electrical protection system is provided. The method includes identifying at least one component of the centrally-controlled power distribution system, obtaining at least one of reliability data and repara
A method and system and a computer program for improving reliability of a centrally-controlled electrical protection system is provided. The method includes identifying at least one component of the centrally-controlled power distribution system, obtaining at least one of reliability data and reparability data for each at least one component of the centrally-controlled power distribution system, and constructing a reliability block diagram for each functional category. The computer system and computer program code segment are configured to implement the method for improving reliability of a centrally-controlled electrical protection system architecture based on sensitivity analysis.
대표청구항
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What is claimed is: 1. A method for improving reliability of a centrally-controlled power distribution system architecture based on sensitivity analysis wherein the power distribution system includes at least one component, and a protection system that includes at least one functional category, sai
What is claimed is: 1. A method for improving reliability of a centrally-controlled power distribution system architecture based on sensitivity analysis wherein the power distribution system includes at least one component, and a protection system that includes at least one functional category, said method comprising: identifying at least one component of the centrally-controlled power distribution system; obtaining at least one of reliability data and reparability data for each at least one component of the centrally-controlled power distribution system; and constructing a reliability block diagram for each functional category, wherein constructing a reliability block diagram for each functional category comprises constructing a reliability block diagram for categories including at least one of a basic protection function, a relay protection function, a monitoring function, and a control function. 2. A method in accordance with claim 1 further comprising determining a reliability of each component in the system wherein the reliability is measured as a probability of the component functionality at a first time that is greater than or equal to the system functionality at a second time wherein the first time is later than the second time. 3. A method for improving reliability of a centrally-controlled power distribution system architecture based on sensitivity analysis wherein the power distribution system includes at least one component, and a protection system that includes at least one functional category, said method comprising: identifying at least one component of the centrally-controlled power distribution system; obtaining at least one of reliability data and reparability data for each at least one component of the centrally-controlled power distribution system; and constructing a reliability block diagram for each functional category, further comprising, for each functional category, performing the following steps iteratively: identifying a minimum cut set; determining a reliability of the centrally-controlled electrical protection system; varying at least one of a redundancy, a reliability, and a reparability of each of the at least one component of the system; and determining a change in the system reliability based on a change of the redundancy, reliability, and reparability of each of the at least one component. 4. A method in accordance with claim 3 wherein determining a reliability of the centrally-controlled electrical protection system comprises determining the reliability of the centrally-controlled electrical protection system based on the at least one of the level of redundancy of each component, the reliability of each component, and the reparability of each component. 5. A method in for improving reliability of a centrally-controlled power distribution system architecture based on sensitivity analysis wherein the power distribution system includes at least one component, and a protection system that includes at least one functional category, said method comprising: identifying at least one component of the centrally-controlled power distribution system; obtaining at least one of reliability data and reparability data for each at least one component of the centrally-controlled power distribution system; and constructing a reliability block diagram for each functional category further comprising, for each functional category: identifying a first component whose change in at least one of redundancy, reliability and reparability produces a change of the system reliability of a first amount; and identifying a second component whose change in redundancy, reliability, and reparability produces a change of the system reliability of a second amount, wherein said first amount is greater than the second amount. 6. A method for improving reliability of a centrally-controlled power distribution system architecture based on sensitivity analysis wherein the power distribution system includes at least one component, and a protection system that includes at least one functional category, said method comprising: identifying at least one component of the centrally-controlled power distribution system; obtaining at least one of reliability data and reparability data for each at least one component of the centrally-controlled power distribution system; constructing a reliability block diagram for each functional category; and ordering the at least one components based on the relative amount of change of system reliability associated with each change of each component redundancy, reliability, and reparability. 7. A method in accordance with claim 6 further comprising analyzing the ordered components using cost analysis to determine each component optimum level of redundancy, reliability, and reparability. 8. A computer system for improving reliability of a centrally-controlled electrical protection system architecture based on sensitivity analysis wherein said centrally-controlled electrical protection system comprises at least one component, said computer system configured to: determine a reliability of said centrally-controlled electrical protection system; vary at least one of a redundancy, reliability, and a reparability of said at least one component of said system; determine a change in said system reliability based on a change of said varied redundancy, reliability, and reparability of each said at least one component; identify a first component whose change in at least one of redundancy, reliability and reparability produces a change of the system reliability of a first amount; and identify a second component whose change in redundancy, reliability, and reparability produces a change of the system reliability of a second amount, wherein said first amount is greater than the second amount. 9. A computer system in accordance with claim 8 wherein said computer system is further configured to identify at least one component included in said system. 10. A computer system in accordance with claim 8 wherein said computer system is further configured to determine a reliability of each component in said system wherein said reliability is measured as a probability of said component functionality at a first time that is greater than or equal to said component functionality at a second time wherein said first time is later than said second time. 11. A computer system in accordance with claim 8 wherein said computer system is further configured to determine a reliability of said centrally-controlled electrical protection system based on at least one of said determined reliability of each component, said reparability of each component, and said redundancy of each component. 12. A computer system in accordance with claim 8 wherein said computer system is further configured to iteratively determine a change in said determined system reliability for each change in each component redundancy, reliability, and reparability wherein said change in said determined system reliability is expressed as an amount of change relative to said first amount. 13. A computer system in accordance with claim 12 wherein said computer system is further configured to order said at least one components based on said relative amount of change of system reliability associated with each change of each component redundancy. 14. A computer system in accordance with claim 8 wherein said computer system is further configured to select said component whose change in redundancy affects a change in system reliability by said greatest amount. 15. A program code segment embodied on a computer-readable medium for improving reliability of a centrally-controlled electrical protection system architecture based on sensitivity analysis wherein said centrally-controlled electrical protection system comprises at least one component, said program code segment configured to: determine a reliability of said centrally-controlled electrical protection system; vary at least one of a redundancy, a reliability, and a reparability of said at least one component of said system; determine a change in said system reliability based on a change of said varied redundancy, reliability, and reparability of each said at least one component; identify a first component whose change in at least one of redundancy, reliability and reparability produces a change of the system reliability of a first amount; and identify a second component whose change in redundancy, reliability, and reparability produces a change of the system reliability of a second amount, wherein said first amount is greater than the second amount, wherein the program code is resident on a storage medium. 16. A program code segment in accordance with claim 15 wherein said program code segment is further configured to identify at least one component included in said system. 17. A program code segment in accordance with claim 15 wherein said program code segment is further configured to determine a reliability of each component in said system wherein said reliability is measured as a probability of said component functionality at a first time that is greater than or equal to said component functionality at a second time wherein said first time is later than said second time. 18. A program code segment in accordance with claim 15 wherein said program code segment is further configured to determine a reliability of said centrally-controlled electrical protection system based on said determined reliability of each component and a redundancy of each component. 19. A program code segment in accordance with claim 15 wherein said program code segment is further configured to iteratively determine a change in said determined system reliability for each change in each component redundancy wherein said change in said determined system reliability is expressed as an amount of change relative to said first amount. 20. A program code segment in accordance with claim 19 wherein said program code segment is further configured to order said at least one components based on said relative amount of change of system reliability associated with each change of each component redundancy. 21. A program code segment in accordance with claim 15 wherein said program code segment is further configured to select said component whose change in redundancy affects a change in system reliability by said greatest amount. 22. A program code segment in accordance with claim 15 wherein the computer-readable medium is a floppy disk, a CD-ROM, or a processor hard drive.
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