Method for determining when to perform a test of an overspeed protection system of a powerplant machine
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01M-001/00
G04F-001/00
G04F-007/02
G04F-007/10
출원번호
US-0729654
(2010-03-23)
등록번호
US-8370100
(2013-02-05)
발명자
/ 주소
Block, Frederick William
Nichols, Richard Lee
Law, Joseph Robert
Dalton, Bret Stephen
Ellis, George Allen
출원인 / 주소
General Electric Company
인용정보
피인용 횟수 :
2인용 특허 :
6
초록▼
Embodiments of the present invention have the technical effect of determining when to test an overspeed protection system of a powerplant machine. As described herein, embodiments of the present invention may be applied to a wide variety of powerplant machines, each comprising a shaft. After determi
Embodiments of the present invention have the technical effect of determining when to test an overspeed protection system of a powerplant machine. As described herein, embodiments of the present invention may be applied to a wide variety of powerplant machines, each comprising a shaft. After determining that test of the overspeed protection system should be performed, embodiments of the present invention may allow for a variety of methods to test the overspeed protection system.
대표청구항▼
1. A method of determining when a test of an overspeed protection system of a powerplant machine is recommended, the method comprising: providing a powerplant machine comprising a shaft and an operational control system, wherein the operational control system is configured for operating the powerpla
1. A method of determining when a test of an overspeed protection system of a powerplant machine is recommended, the method comprising: providing a powerplant machine comprising a shaft and an operational control system, wherein the operational control system is configured for operating the powerplant machine and comprises an overspeed protection system configured for detecting an overspeed event associated with the shaft;providing a condition based algorithm configured for determining when a test of the overspeed protection system is recommended, wherein the condition based algorithm is integrated with the operational control system, and performs the steps of:a) monitoring a component of the powerplant machine, wherein the component is associated with the overspeed protection system;b) determining whether an interval is met;c) determining whether an operational event associated with the component has occurred; andd) adjusting the interval based on the operational event;wherein the condition based algorithm determines when the frequency of testing the overspeed protection system can be decreased. 2. The method of claim 1 further comprising the step of selecting a methodology for performing a test of the overspeed protection system. 3. The method of claim 2 further comprising the step of conducting the test of the overspeed protection system. 4. The method of claim 3 further comprising the step of adjusting the interval after the test of the overspeed protection system. 5. The method of claim 1, wherein the component comprises at least of: a valve, a speed sensor, a governor, a temperature device, a pressure device, or combinations thereof. 6. The method of claim 5, wherein the component is integrated with at least one of the following systems: a. Speed detection;b. Emergency stop valve;c. Lube oil system;d. Hydraulic system;e. Trip oil system;f. Emergency trip; org. Protective trip. 7. The method of claim 1, wherein the interval comprises at least one of: time duration, a component counter, or an event counter. 8. The method of claim 1, wherein the powerplant comprises multiple powerplant machines. 9. The method of claim 8, wherein the multiple powerplant machines comprise a gas turbine and a steam turbine, and wherein the shaft integrates the gas turbine and the steam turbine forming a steam and gas powertrain (STAG). 10. A method of testing an overspeed protection system of a powerplant, the method comprising: providing a powerplant comprising a gas turbine and a steam turbine, and wherein a shaft integrates the gas turbine and the steam turbine forming a steam and gas powertrain (STAG);providing an operational control system, wherein the operational control system is configured for operating the STAG and comprises an overspeed protection system configured for detecting an overspeed event associated with the shaft;providing a condition based algorithm configured for determining when a test of the overspeed protection system is recommended, wherein the condition based algorithm is integrated with the operational control system, and performs the steps of:a) monitoring a component of the powerplant machine, wherein the component is associated with the overspeed protection system;b) determining whether an interval is met, wherein the interval suggests when to test the overspeed protection system;c) determining whether an operational event associated with the component has occurred; andd) adjusting the interval based on the operational event;wherein the condition based algorithm determines when the frequency of testing the overspeed protection system can be decreased. 11. The method of claim 10 further comprising the step of selecting a methodology for performing a test of the overspeed protection system. 12. The method of claim 11, wherein the methodology comprises a shutdown mode procedure configured for the shutdown mode, and an operating mode procedure configured for the operating mode. 13. The method of claim 11 further comprising the step of conducting the test of the overspeed protection system. 14. The method of claim 12 further comprising the step of adjusting the interval after the test of the overspeed protection system. 15. The method of claim 10, wherein the component comprises at least of: a valve, a speed sensor, a governor, a temperature device, a pressure device, or combinations thereof. 16. The method of claim 14, wherein the component is integrated with at least one of the following systems: h. Speed detection;i. Emergency stop valve;j. Lube oil system;k. Hydraulic system;l. Trip oil system;m. Emergency trip; orn. Protective trip. 17. The method of claim 10, wherein the interval comprises at least one of: time duration, a component counter, or an event counter. 18. The method of claim 10, wherein the powerplant comprises multiple powerplant machines. 19. The method of claim 17, wherein the multiple powerplant machines comprise a gas turbine and a steam turbine, and wherein the shaft integrates the gas turbine and the steam turbine forming a steam and gas powertrain (STAG).
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