Digital computer control system and method for monitoring and controlling operation of industrial gas turbine apparatus to drive simultaneously an electric power plant generator and provide exhaust gases to an industrial process
阅读：300发布：2023-09-21
专利汇可以提供Digital computer control system and method for monitoring and controlling operation of industrial gas turbine apparatus to drive simultaneously an electric power plant generator and provide exhaust gases to an industrial process专利检索，专利查询，专利分析的服务。并且A gas turbine power plant is provided with an industrial gas turbine which simultaneously drives a generator coupled to a power system and supplies exhaust gases for process application. One or more process interfaced turbine-generator plants are operated by a hybrid digital computer control system during all turbine operating modes. Automatic variation of gas turbine parameters is achieved by computer directed subsystem control. Process temperature and generator load requirements are satisfied simultaneously.，下面是Digital computer control system and method for monitoring and controlling operation of industrial gas turbine apparatus to drive simultaneously an electric power plant generator and provide exhaust gases to an industrial process专利的具体信息内容。
1. A gas turbine electric power plant comprising a gas turbine having compressor, combustion and turbine elements, a generator having a field winding and being coupled to said gas turbine for drive power, a fuel system for supplying fuel for said gas turbine combustion elements, means for exciting said generator field winding, a control system including a digital computer and an input/output system therefor, a plurality of sensors disposed to monitor selected turbine parameters and to provide control system inputs representative thereof, means for operating said fuel system to energize said turbine and for controlling said exciting means, means continuously responsive to a control system output for modulating air flow into said compressor, and means for operating said computer to make control action determinations for implementation by said fuel system operating means, said exciting means and said air flow modulating means, said modulating means control actions being determined in response to time varying combinations of said sensor inputs.
2. An electric power plant as set forth in claim 1 wherein said computer operating means further operates to determine control actions for implementation by said air flow modulating meanS to maintain gas turbine operation at a constant exhaust temperature over at least one interval of gas turbine operation.
3. An electric power plant as set forth in claim 2 wherein said plurality of sensors comprises at least an arrangement of sensors disposed to detect pressures on said combustion elements and wherein control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from said arrangement over at least one time interval of gas turbine operation.
4. An electric power plant as set forth in claim 2 wherein said plurality of sensors comprises at least an arrangement of sensors disposed to detect temperatures at the exhaust cycle position of said turbine element and wherein said control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from said arrangements over at least one time interval of gas turbine operation.
5. An electric power plant as set forth in claim 2 wherein said plurality of sensors comprises at least a first arrangement of sensors disposed to detect pressures on said combustion elements and a second arrangement of sensors disposed to detect temperatures at the exhaust cycle position of said turbine element and wherein said control actions for implementation by said air flow modulating means are at least partially determined in response to a combination of inputs from said first and second arrangements over at least one time interval of gas turbine operation.
6. An electric power plant as set forth in claim 2 wherein said plurality of sensors comprises at least one turbine speed sensor and wherein control actions for implemention by said air flow modulating means are at least partially determined in response to inputs from said speed sensor over at least one time interval of gas turbine operation.
7. An electric power plant as set forth in claim 2 wherein said plurality of sensors comprises at least an arrangement of compressor inlet temperature sensors disposed to detect pressures at the inlet of said compressor element and wherein control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from said arrangement over at least one time interval of gas turbine operation.
8. An electric power plant as set forth in claim 2 wherein said plurality of sensors comprises at least a first arrangement of sensors disposed to detect pressure inlet temperatures and a second arrangement of sensors disposed to detect exhaust gas temperatures and wherein said control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from a combination of said first arrangement and said second arrangement over at least one time interval of gas turbine operation.
9. An electric power plant as set forth in claim 2 wherein said plurality of sensors comprises at least a first arrangement of sensors disposed to detect pressures on said combustion elements and a second arrangement of sensors disposed to detect turbine exhaust temperatures and wherein said control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from a combination of said first and said second arrangements over at least one time interval of gas turbine operation.
10. An electric power plant as set forth in claim 2 wherein said plurality of sensors comprises at least a first sensor disposed to detect turbine speed, a first arrangement of sensors disposed to detect pressures on said combustion elements and a second arrangement disposed to detect temperatures of exhaust gases and wherein control actions for implementation by said air flow modulating means are at least partially determined in response to said speed sensor over at least one time interval of gas turbine operation and at least partially determined in response to inputs from a combination of said first and second arraNgements over at least another time interval of gas turbine operation.
11. An electric power plant as set forth in claim 10 wherein control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from said speed sensor over an earlier time interval of gas turbine operation and at least partially determined in response to inputs from said combination of said first and said second arrangements over a later time interval of gas turbine operation.
12. An electric power plant as set forth in claim 2 wherein said plurality of sensors comprises at least a speed sensor disposed to detect gas turbine speed and an arrangement of sensors disposed to detect compressor inlet temperatures and wherein said control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from said speed sensor over a first time interval of gas turbine operation and at least partially determined in response to inputs from said arrangement of sensors over a second time interval of gas turbine operation.
13. An electric power plant as set forth in claim 2 wherein said air flow modulating means comprises a plurality of compressor variable inlet guide vanes, a positioning ring mechanically coupled to said guide vanes, and control means for rotating said positioning ring to open and close said guide vanes.
14. An electric power plant as set forth in claim 10 wherein said air flow modulating means comprises a plurality of compressor variable inlet guide vanes, a positioning ring mechanically coupled to said guide vanes, and control means for rotating said positioning ring to open and close said guide vanes.
15. An electric power plant as set forth in claim 1 wherein means are provided for detecting generator load and said computer operating means further provides for controlling said fuel system operating means in response to detected load to regulate the generator load substantially to a predetermined value.
16. An electric power plant as set forth in claim 2 wherein means are provided for detecting generator load and said computer operating means further provides for controlling said fuel system operating means in response to detected generator load to regulate the generator load substantially to a predetermined value.
17. An electric power plant as set forth in claim 16 wherein said computer operating means operates to regulate the generator substantially to a predetermined value as a function of exhaust temperature.
18. An electric power plant as set forth in claim 17 wherein said plurality of sensors comprises at least an arrangement of sensors disposed to detect pressures on said combustion elements and wherein control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from said arrangement over at least one time interval of gas turbine operation.
19. An electric power plant as set forth in claim 17 wherein said plurality of sensors comprises at least an arrangement of sensors disposed to detect temperatures at the exhaust cycle position of said turbine element and wherein said control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from said arrangement over at least one time interval of gas turbine operation.
20. An electric power plant as set forth in claim 17 wherein said plurality of sensors comprises at least a first arrangement of sensors disposed to detect pressure on said combustion element and a second arrangement of sensors disposed to detect temperatures at the exhaust gas cycle position of said turbine element and wherein said control actions for implementation by said air flow modulating means are at least partially determined in response to a combination of inputs from said first and second arrangements over at least one time interval of gas turbine operation.
21. An electric power plant as set forth in claim 17 wherein said plurality of sensors comprises at least a speed sensor disposed to detect gas turbine speed and wherein said control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from said speed sensor over at least one time interval of gas turbine operation.
22. An electric power plant as set forth in claim 17 wherein said plurality of sensors comprises at least a first sensor disposed to detect turbine speed, a first arrangement of sensor disposed to detect pressures on said combustion elements and a second arrangement disposed to detect temperatures of exhaust gases and wherein control actions for implementation by said air flow modulating means are at least partially determined in response to said speed sensor over at least one time interval of gas turbine operation and at least one time interval of gas turbine operation and at least partially determined in response to inputs from a combination of said first and second arrangements over at least another time interval of gas turbine operation.
23. An electric power plant as set forth in claim 22 wherein control actions for implementation by said air flow modulating means are at least partially determined in response to inputs from said speed sensor over an earlier time interval of gas turbine operation and at least partially detrmined in response to inputs from said combination of determined first and second arrangements over a later time interval of gas turbine operation.
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