JP5537757B2 - リーン・ブローアウトを予測しかつ/又は回避するための方法及び装置 - Google Patents
リーン・ブローアウトを予測しかつ/又は回避するための方法及び装置 Download PDFInfo
- Publication number
- JP5537757B2 JP5537757B2 JP2005154778A JP2005154778A JP5537757B2 JP 5537757 B2 JP5537757 B2 JP 5537757B2 JP 2005154778 A JP2005154778 A JP 2005154778A JP 2005154778 A JP2005154778 A JP 2005154778A JP 5537757 B2 JP5537757 B2 JP 5537757B2
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- Prior art keywords
- lbo
- tone
- frequency
- probability
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- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/16—Systems for controlling combustion using noise-sensitive detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/09—Purpose of the control system to cope with emergencies
- F05D2270/092—Purpose of the control system to cope with emergencies in particular blow-out and relight
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2241/00—Applications
- F23N2241/20—Gas turbines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
- Control Of Turbines (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Testing And Monitoring For Control Systems (AREA)
Description
βは、
102 圧力信号
104 アンチエイリアスフィルタ
106 ダウンサンプラ
108 バッタワースフィルタ
110、112、114、132 ウィンドウFFT
116 RMS計算モジュール
124 LBO確率計算モジュール
126 最大値選択ブロック
128 周波数トラッキングモジュール
134 フィードバック制御装置
208、210 乗算器
212 正規化装置
Claims (8)
- ガスタービンエンジンにおけるリーン・ブローアウト(LBO)を予測する方法であって、
モニタ対象の複数の燃焼器カンの各々について燃焼器カン内部の圧力を表す圧力信号(102)内のLBOトーン、低温トーン及び高温トーンを抽出し、前記トーンの各々についてのRMS値を求める段階(116)と、
各モニタ対象のカンにおける高温トーンの周波数をトラッキングする段階(128)と、
前記段階(116)で抽出したLBOトーン、低温トーン及び高温トーン及び前記段階(128)でトラッキングした周波数を利用して、LBOの確率を求める段階(124)と
を含む方法。 - 前記段階(124)で求めたLBOの確率が、前記高温トーンが弱まりかつその周波数がシフトした時により高くなる、請求項1記載の方法。
- 前記段階(116)が、前記圧力信号(102)をダウンサンプリングする段階(106)をさらに含み、前記LBOトーン、低温トーン及び高温トーンを抽出することが、それぞれ10〜25Hz、80〜120Hz及び130〜160Hzの通過帯域を有する帯域通過フィルタ(108)を利用して、前記ダウンサンプリングした圧力信号から前記トーンの各々を抽出する段階を含む、請求項1又は請求項2記載の方法。
- 各モニタ対象のカンにおける高温トーンの周波数をトラッキングする段階(128)が、正規分布の累積確率密度関数と選択した平均値及び分散値を利用して、LBOトーンの所定のRMS値についてのLBOの確率を得る段階を含む、請求項1乃至請求項3のいずれか1項記載の方法。
- ガスタービンエンジンにおけるリーン・ブローアウト(LBO)を予測するための装置であって、
モニタ対象の複数の燃焼器カンの各々について燃焼器カン内部の圧力を表す信号(102)からLBOトーン、低温トーン及び高温トーンを抽出し、前記トーンの各々についてのRMS値を求めるRMS信号抽出モジュール(116)と、
各モニタ対象のカンにおける高温トーンの周波数をトラッキングする周波数トラッキングモジュール(128)と、
前記RMS信号抽出モジュール(116)で抽出したLBOトーン、低温トーン及び高温トーン及び前記周波数トラッキングモジュール(128)でトラッキングした周波数を利用して、LBOの確率を求めるLBO確率決定モジュール(124)と
を含む装置。 - 前記LBO確率決定モジュール(124)で求めたLBOの確率が、前記高温トーンが弱まりかつその周波数がシフトした時により高くなる、請求項5記載の装置。
- 前記RMS信号抽出モジュール(116)が、前記圧力信号(102)をダウンサンプリングするように構成されているとともに、前記LBOトーン、低温トーン及び高温トーンを抽出するために、該RMS信号抽出モジュール(116)が、それぞれ10〜25Hz、80〜120Hz及び130〜160Hzの通過帯域を有する帯域通過フィルタ(108)を利用して、前記ダウンサンプリングした圧力信号から前記トーンの各々を抽出するように構成されている、請求項5又は請求項6記載の装置。
- ガスタービンエンジンにおけるリーン・ブローアウト(LBO)を回避する方法であって、
請求項1乃至請求項4のいずれか1項記載の方法によってLBOの確率を求める段階(124)と、
前記段階(124)で求めたLBO確率を用いて、是正措置をとるように制御装置(134)に信号を送って、LBOを防止する段階(130)と
を含む方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/856,583 US7337057B2 (en) | 2004-05-28 | 2004-05-28 | Methods and apparatus for predicting and/or for avoiding lean blow-outs |
US10/856,583 | 2004-05-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005337254A JP2005337254A (ja) | 2005-12-08 |
JP2005337254A5 JP2005337254A5 (ja) | 2011-05-26 |
JP5537757B2 true JP5537757B2 (ja) | 2014-07-02 |
Family
ID=34941373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005154778A Expired - Fee Related JP5537757B2 (ja) | 2004-05-28 | 2005-05-27 | リーン・ブローアウトを予測しかつ/又は回避するための方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7337057B2 (ja) |
EP (1) | EP1605205B1 (ja) |
JP (1) | JP5537757B2 (ja) |
KR (1) | KR101206706B1 (ja) |
CN (1) | CN100543284C (ja) |
ES (1) | ES2561056T3 (ja) |
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US7966801B2 (en) * | 2006-12-07 | 2011-06-28 | General Electric Company | Apparatus and method for gas turbine active combustion control system |
US7997083B2 (en) | 2007-08-28 | 2011-08-16 | General Electric Company | Method and system for detection of gas turbine combustion blowouts utilizing fuel normalized power response |
US9822649B2 (en) * | 2008-11-12 | 2017-11-21 | General Electric Company | Integrated combustor and stage 1 nozzle in a gas turbine and method |
US9046266B2 (en) * | 2009-02-25 | 2015-06-02 | Reaction Design | System and method for flame blow-off determination |
US8408004B2 (en) * | 2009-06-16 | 2013-04-02 | General Electric Company | Resonator assembly for mitigating dynamics in gas turbines |
US9500553B2 (en) * | 2009-11-09 | 2016-11-22 | Kulite Semiconductor Products, Inc. | Systems and methods for improved dynamic pressure measurements |
US8899049B2 (en) | 2011-01-07 | 2014-12-02 | General Electric Company | System and method for controlling combustor operating conditions based on flame detection |
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US8959925B2 (en) * | 2012-01-18 | 2015-02-24 | General Electric Company | Combustor recovery method and system |
US10088165B2 (en) | 2015-04-07 | 2018-10-02 | General Electric Company | System and method for tuning resonators |
US9745896B2 (en) | 2013-02-26 | 2017-08-29 | General Electric Company | Systems and methods to control combustion dynamic frequencies based on a compressor discharge temperature |
US9803560B2 (en) * | 2013-03-15 | 2017-10-31 | Ansaldo Energia Ip Uk Limited | Dynamic tuning of a gas turbine engine to detect and prevent lean blowout |
EP2789914A1 (de) | 2013-04-12 | 2014-10-15 | Siemens Aktiengesellschaft | Verfahren zur Überwachung eines Flammenzustands |
US9494493B2 (en) | 2013-04-12 | 2016-11-15 | Siemens Energy, Inc. | Single dynamic pressure sensor based flame monitoring of a gas turbine combustor |
US9556799B2 (en) | 2014-02-03 | 2017-01-31 | General Electric Company | System and method for operating a gas turbine |
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US9964045B2 (en) | 2014-02-03 | 2018-05-08 | General Electric Company | Methods and systems for detecting lean blowout in gas turbine systems |
US9709279B2 (en) | 2014-02-27 | 2017-07-18 | General Electric Company | System and method for control of combustion dynamics in combustion system |
US9709278B2 (en) | 2014-03-12 | 2017-07-18 | General Electric Company | System and method for control of combustion dynamics in combustion system |
US9644846B2 (en) | 2014-04-08 | 2017-05-09 | General Electric Company | Systems and methods for control of combustion dynamics and modal coupling in gas turbine engine |
US9845956B2 (en) | 2014-04-09 | 2017-12-19 | General Electric Company | System and method for control of combustion dynamics in combustion system |
US9845732B2 (en) | 2014-05-28 | 2017-12-19 | General Electric Company | Systems and methods for variation of injectors for coherence reduction in combustion system |
US9551283B2 (en) | 2014-06-26 | 2017-01-24 | General Electric Company | Systems and methods for a fuel pressure oscillation device for reduction of coherence |
US10113747B2 (en) | 2015-04-15 | 2018-10-30 | General Electric Company | Systems and methods for control of combustion dynamics in combustion system |
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US20170356650A1 (en) * | 2016-06-14 | 2017-12-14 | General Electric Company | Detecting combustion anomalies in gas turbines using audio output |
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-
2004
- 2004-05-28 US US10/856,583 patent/US7337057B2/en active Active
-
2005
- 2005-05-18 EP EP05253077.1A patent/EP1605205B1/en not_active Not-in-force
- 2005-05-18 ES ES05253077.1T patent/ES2561056T3/es active Active
- 2005-05-26 KR KR1020050044318A patent/KR101206706B1/ko active IP Right Grant
- 2005-05-27 JP JP2005154778A patent/JP5537757B2/ja not_active Expired - Fee Related
- 2005-05-27 CN CNB2005100739391A patent/CN100543284C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1605205A2 (en) | 2005-12-14 |
KR20060048111A (ko) | 2006-05-18 |
KR101206706B1 (ko) | 2012-11-29 |
JP2005337254A (ja) | 2005-12-08 |
US7337057B2 (en) | 2008-02-26 |
EP1605205B1 (en) | 2015-12-23 |
US20050278108A1 (en) | 2005-12-15 |
ES2561056T3 (es) | 2016-02-24 |
CN100543284C (zh) | 2009-09-23 |
EP1605205A3 (en) | 2011-05-11 |
CN1702306A (zh) | 2005-11-30 |
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