IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0698999
(2007-01-29)
|
등록번호 |
US-7619324
(2009-11-27)
|
발명자
/ 주소 |
- Folken, Keith Ronald
- Dvorsky, Michael Allen
- Boley, Julie Lynn
- McBurney, James Dean
- Black, Andrew William
- Zwetz, II, David Lee
- Nofsinger, Stephen Charles
|
출원인 / 주소 |
|
대리인 / 주소 |
Finnegan, Henderson, Farabow, Garrett & Dunner
|
인용정보 |
피인용 횟수 :
11 인용 특허 :
8 |
초록
▼
A method of operating a power system is provided. The power system may have a plurality of generator sets and a power line. The method may include commanding a plurality of the generator sets that are disconnected from the power line to start generating electricity. The method may also include suppl
A method of operating a power system is provided. The power system may have a plurality of generator sets and a power line. The method may include commanding a plurality of the generator sets that are disconnected from the power line to start generating electricity. The method may also include supplying to a control device acting as a coordinating control unit information about the operating state of each of the plurality of generator sets commanded to start generating electricity. Additionally, the method may include determining with the coordinating control unit which of the plurality of generator sets has become ready to supply electricity to the power line first. The method may also include initiating supply of electricity to the power line by first connecting to the power line the generator set that the coordinating control unit has determined to be the first ready to supply electricity.
대표청구항
▼
What is claimed is: 1. A method of operating a power system, the power system having a plurality of generator sets and a power line, the method comprising: triggering startup of a plurality of the generator sets that are disconnected from the power line; supplying to a control device acting as a co
What is claimed is: 1. A method of operating a power system, the power system having a plurality of generator sets and a power line, the method comprising: triggering startup of a plurality of the generator sets that are disconnected from the power line; supplying to a control device acting as a coordinating control unit information about the operating state of each of the plurality of generator sets triggered to start up; determining with the coordinating control unit which of the plurality of generator sets has become ready to supply electricity to the power line first; and supplying electricity to the power line by first connecting to the power line the generator set that the coordinating control unit has determined to be the first ready to supply electricity. 2. The method of claim 1, wherein connecting to the power line the generator set that the coordinating control unit has determined to be the first ready to supply electricity includes attempting to connect this generator set to the power line without waiting to determine when the other generator sets become ready to supply electricity. 3. The method of claim 1, further including selectively transferring the role of coordinating control unit from one control device of the power system to another control device of the power system. 4. The method of claim 1, wherein connecting to the power line the generator set that the coordinating control unit has determined to be the first ready to supply electricity includes generating a signal with the coordinating control unit that triggers this generator set to connect to the power line. 5. The method of claim 1, wherein: the power system includes a control network with a plurality of unit control devices, each unit control device being associated with a particular one of the plurality of generator sets; and the control device acting as the coordinating control unit is one of the unit control devices. 6. The method of claim 5, further including, after initiating supply of electricity to the power line, coordinating control of one or more additional aspects of the operation of the plurality of generator sets with the coordinating control unit. 7. The method of claim 1, further including, after initiating supply of electricity to the power line, controlling which of the plurality of generator sets supply electricity to the power line with the coordinating control unit based at least in part on information related to power needs of a power load connected to the power line. 8. A method of operating a power system, the power system having a power line and a plurality of generator sets, the method comprising: with the plurality of generator sets disconnected from the power line, triggering startup of a plurality of the generator sets; and in response to each generator set becoming ready to supply electricity, generating a signal that indicates the readiness of the generator set to a control device acting as a coordinating control unit, and operating the coordinating control unit to control which of the generator sets commanded to start up will first connect to the power line, including, in response to the first signal indicating the readiness of a generator set, providing the generator set associated with the first signal first authorization from the coordinating control unit to connect to the power line. 9. The method of claim 8, further including, if the generator set provided first authorization to connect to the power line fails to connect to the power line within a predetermined time, providing another generator set with authorization from the coordinating control unit to connect to the power line. 10. The method of claim 8, wherein: the power system includes a control network with a plurality of unit control devices, each unit control device being associated with a particular one of the generator sets; and the control device acting as the coordinating control unit is one of the unit control devices. 11. The method of claim 8, wherein: the power system includes a plurality of control devices capable of operating as the coordinating control unit; and the method further includes, selectively transferring the role of coordinating control unit from one control device to another. 12. The method of claim 10, further including, after the generator set first authorized to connect to the power line connects to the power line, coordinating one or more additional aspects of the operation of the plurality of generator sets with the coordinating control unit. 13. The method of claim 10, further including, after the generator set first authorized to connect to the power line connects to the power line, if it is desired to discontinue supplying electricity with the generator set associated with the unit control device acting as the coordinating control unit, transferring the role of coordinating control unit to another control device of the power system before discontinuing supplying electricity with that generator set. 14. A power system, comprising: a power line; a plurality of generator sets operable to supply electricity to the electric power load; and a control network that includes a plurality of control devices, the control network being configured to operate with one of the plurality of control devices acting as a coordinating control unit to coordinate one or more aspects of the operation of the plurality of generator sets, and selectively change which of the control devices acts as the coordinating control unit. 15. The power system of claim 14, wherein: the plurality of control devices includes a first unit control device belonging to a first one of the generator sets; operating with one of the control devices acting as the coordinating control unit includes operating with the first unit control device acting as the coordinating control unit in at least some circumstances. 16. The power system of claim 14, wherein selectively changing which of the control devices acts as the coordinating control unit includes transferring the role of coordinating unit to another control device if an operator requests that the control device acting as the coordinating control unit shut down. 17. The power system of claim 14, wherein: the control network has a plurality of the control devices ranked according to the relative priority each has to act as the coordinating control unit; and selectively changing which of the plurality of control devices acts as the coordinating control unit includes transferring the role of coordinating control unit if a control device becomes active that has a higher priority to act as the coordinating control unit than the control device currently acting as the coordinating control unit. 18. The power system of claim 14, wherein transferring the role of coordinating control unit if a control device becomes active that has a higher priority to act as the coordinating control unit than the control device currently acting as the coordinating control unit includes the control device currently acting as the coordinating control unit sending a signal to the control device with the higher priority authorizing the control device with the higher priority to take over the role of coordinating control unit. 19. The power system of claim 14, wherein the coordinating control unit controls which of the plurality of generator sets connects to the power line first in circumstances where no electricity is flowing in the power line. 20. The power system of claim 14, wherein, in at least some circumstances, the coordinating control unit controls which of the generator sets supply electricity to the power line based at least in part on one or more parameters related to the amount of power required by one or more electric power loads connected to the power line.
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