IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0673192
(2012-11-09)
|
등록번호 |
US-8789408
(2014-07-29)
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발명자
/ 주소 |
- Fuller, Jason Dean
- Waugh, Daniel Richard
- Allen, Justin Aaron
- Rittenhouse, Brian Allen
|
출원인 / 주소 |
|
대리인 / 주소 |
Sutherland Asbill & Brennan LLP
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인용정보 |
피인용 횟수 :
0 인용 특허 :
6 |
초록
▼
Embodiments of the disclosure relate to systems and methods for holding target turbomachine compressor pressure ratio constant while varying the shaft speed. In order to characterize a load compressor and validate the compressor design, the speed of the load compressor can be changed while controlli
Embodiments of the disclosure relate to systems and methods for holding target turbomachine compressor pressure ratio constant while varying the shaft speed. In order to characterize a load compressor and validate the compressor design, the speed of the load compressor can be changed while controlling the compressor operating line and holding the inlet guide vanes at a constant angle. Discharge control valves can be dynamically adjusted to maintain the pressure ratio equal to the operating line over a range of speeds.
대표청구항
▼
1. A method for testing a load compressor, the method comprising: coupling a gas turbine to the load compressor via an axial shaft, wherein the gas turbine comprises a first compressor, a combustor, and a turbine, and wherein the axial shaft is operable to be rotated over a wide range of speeds;hold
1. A method for testing a load compressor, the method comprising: coupling a gas turbine to the load compressor via an axial shaft, wherein the gas turbine comprises a first compressor, a combustor, and a turbine, and wherein the axial shaft is operable to be rotated over a wide range of speeds;holding inlet guide vanes, coupled to the load compressor, at a set angle;varying speed of the axial shaft over a test speed range; andcontrolling pressure ratio of the load compressor to an operating line over the test speed range. 2. The method of claim 1, further comprising: determining a pressure ratio target;sensing an inlet pressure and an outlet pressure of the load compressor; andadjusting the outlet pressure to control the pressure ratio to the pressure ratio target. 3. The method of claim 2, wherein the operation of adjusting the outlet pressure comprises: dynamically adjusting a discharge control valve. 4. The method of claim 1, wherein the gas turbine is operable to rotate the axial shaft over the test speed range. 5. The method of claim 1, further comprising: changing the set angle of the inlet guide vanes to a new set angle;varying the speed of the axial shaft over the test speed range at the new set angle; andcontrolling the pressure ratio to a new operating line over the speed range at the new set angle. 6. A system for testing a load compressor, comprising: a gas turbine coupled to an axial shaft, wherein the gas turbine comprises a first compressor, a combustor, and a turbine;the axial shaft, coupled to the load compressor, operable to be rotated over a wide range of speeds, wherein the axial shaft is varied over a test speed range;inlet guide vanes, coupled to the load compressor, wherein the inlet guide vanes are held at a set angle; anda controller operable to control a pressure ratio across the load compressor to an operating line over the test speed range. 7. The system of claim 6, wherein the controller is coupled to an inlet pressure sensor and an outlet pressure sensor. 8. The system of claim 7, wherein the controller is operable to determine a pressure ratio target. 9. The system of claim 8, further comprising a discharge control valve, coupled to the controller, operable to control the pressure ratio to the pressure ratio target. 10. The system of claim 6, wherein the inlet guide vanes are operable to be held at a plurality of differing set angles. 11. The system of claim 10, wherein the inlet guide vanes are held at a new set angle while varying the speed of the axial shaft over the test speed range at the new set angle. 12. The system of claim 11, wherein the controller is operable to control the pressure ratio to the new operating line over the speed range at the new set angle. 13. The system of claim 6, wherein the gas turbine is operable to rotate the axial shaft over the test speed range. 14. A system for testing a load compressor, comprising: at least one controller in communication with a plurality of sensors associated with the load compressor coupled to a gas turbine comprising a first compressor, a combustor, and a turbine, wherein the at least one controller is operable to: receive a plurality of inlet pressure measurements from the plurality of sensors;receive a plurality of outlet pressure measurements from the plurality of sensors;determine a pressure ratio based upon the plurality of inlet pressure measurements and the plurality of outlet pressure measurements; andcontrol the pressure ratio of the load compressor to an operating line over the test speed range. 15. The system of claim 14, wherein the gas turbine is operable to rotate an axial shaft over the test speed range. 16. The system of claim 15, wherein the controller is operable to set a rotation speed of the axial shaft. 17. The system of claim 14, wherein the controller is operable to provide a signal to a discharge control valve.
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