Claims
- 1. A method for detecting combustion conditions in a plurality of combustors in a gas-turbine apparatus which includes a gas turbine driven by combustion gas from said combustors, said method comprising the steps of:
- measuring a concentration of at least one uncombusted component in said combustion gas by a plurality of sensors disposed on a downstream side of said gas turbine;
- obtaining a distribution pattern of said measured concentration; and
- examining said distribution pattern to detect combustion conditions in said combustors.
- 2. A detecting method according to claim 1, wherein said steps are repeated over a predetermined time period.
- 3. A detecting method according to claim 1, wherein the step of measuring includes measuring the combustion gas at a position at which the combustion gas from the combustors flows at an increased speed.
- 4. A detecting method according to claim 1, wherein the step of examining includes storing the distribution pattern in a memory means, and comparing said distribution pattern with distribution patterns prestored in said memory means.
- 5. A control method for controlling combustion in a plurality of combustors in a gas-turbine apparatus which includes a gas turbine driven by combustion gas from said combustors, said method comprising the steps of:
- measuring a concentration of at least one uncombusted component in said combustion gas by a plurality of sensors disposed on a downstream side of said gas turbine;
- obtaining a distribution pattern of said measured concentration;
- examining said distribution pattern to detect combustion conditions in said combustors; and
- adjusting flow rates of air and/or fuel to be fed to the respective combustors in dependence upon detected combustion conditions.
- 6. A control method for controlling combustion according to claim 5, wherein each of said combustors includes a first stage combustion chamber and a second stage combustion chamber disposed downstream of said first stage combustion chamber, and wherein the step of adjusting includes adjusting flow rates of air and/or fuel fed to the respective second stage combustion chambers.
- 7. A control method for controlling combustion according to claim 6, wherein the step of examining includes storing the distribution pattern in a memory means, and comparing said distribution pattern with distribution patterns prestored in said memory means.
- 8. A control method for controlling combustion according to claim 5, wherein the step of measuring includes measuring the combustion gas at a position at which the combustion gas from the combustors flows at an increased speed.
- 9. A control method for controlling combustion according to claim 5, wherein the step of examining includes storing the distribution pattern in a memory means, and comparing said distribution pattern with distribution patterns prestored in said memory means.
Priority Claims (1)
Number |
Date |
Country |
Kind |
63-198622 |
Aug 1988 |
JPX |
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Parent Case Info
This application is a division of application Ser. No. 389,746, filed Aug. 4, 1989, (U.S. Pat. No. 5,024,055).
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4731990 |
Munk |
Mar 1988 |
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Foreign Referenced Citations (3)
Number |
Date |
Country |
9911 |
Jan 1978 |
JPX |
41524 |
Mar 1982 |
JPX |
197726 |
Sep 1986 |
JPX |
Divisions (1)
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Number |
Date |
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Parent |
389746 |
Aug 1989 |
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