JP2005195014A - ガスタービンエンジンの運転中に燃焼器動圧を低下させるための方法及び装置 - Google Patents
ガスタービンエンジンの運転中に燃焼器動圧を低下させるための方法及び装置 Download PDFInfo
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- JP2005195014A JP2005195014A JP2004376535A JP2004376535A JP2005195014A JP 2005195014 A JP2005195014 A JP 2005195014A JP 2004376535 A JP2004376535 A JP 2004376535A JP 2004376535 A JP2004376535 A JP 2004376535A JP 2005195014 A JP2005195014 A JP 2005195014A
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- Prior art keywords
- combustor
- acoustic
- sound
- fuel flow
- adjusting
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- 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
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- 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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00013—Reducing thermo-acoustic vibrations by active means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
【解決手段】 本方法(400)は、燃焼器の音響レベル振幅を測定する段階(402)と、音響レベルを所定の音響上限値と比較する段階(404)と、音響レベルを音響上限値よりも低い所定の音響下限値に低下させるのを可能にするように、閉ループ制御装置(228)を用いて燃焼器への燃料流量を調整する段階(406)とを含む。燃焼器(25)が複数の個別燃料供給式の実質同心の環状リング(202、204、206)を含み、燃料流量を調整する段階(406)が、複数の個別のそれぞれの制御装置を用いて各リングへの燃料流量を交互に調整する。
【選択図】 図2
Description
200 燃焼器音響制御システム
202 外側リング
204 パイロットリング
206 内側リング
208 エンジン制御システム
210、212 燃焼器音響センサ
218、220 電荷増幅器
222 帯域通過フィルタ
224 論理回路
225 感知音響レベル
226 機能拡張型音響/ブローアウト回避論理回路
228 制御装置
Claims (8)
- 燃焼器(25)を含むガスタービンエンジン(10)を運転する方法(400)であって、
前記燃焼器の音響レベル振幅を測定する段階(402)と、
前記音響レベルを所定の音響上限値と比較する段階(404)と、
前記音響レベルを前記音響上限値よりも低い所定の音響下限値に低下させるのを可能にするように、閉ループ制御装置(228)を用いて前記燃焼器への燃料流量を調整する段階(406)と、
を含む方法。 - 前記燃焼器が複数の個別燃料供給式の実質同心の環状リング(202、204、206)を含み、前記燃料流量を調整する段階が、複数の個別のそれぞれの制御装置を用いて各リングへの燃料流量を交互に調整する段階をさらに含む、請求項1記載の方法。
- 前記燃焼器への燃料流量を調整する段階が、各それぞれのリングに対する火炎温度制御調整値(310、312)を決定する段階を含む、請求項2記載の方法。
- 前記燃焼器の音響レベル振幅を測定する段階が、該燃焼器作動中における前記音響レベル振幅の移動平均値(302)を求める段階を含む、請求項1記載の方法。
- 前記燃焼器への燃料流量を調整する段階が、前記音響レベル振幅の移動平均値における変化の方向性を判定する段階を含む、請求項1記載の方法。
- 前記音響レベルを所定の音響上限値と比較する段階が、最小選択関数(306)を用いて前記音響レベルを所定の音響上限値と比較する段階を含む、請求項1記載の方法。
- 前記閉ループ制御装置が比例積分制御装置であり、前記燃焼器への燃料流量を調整する段階が、前記音響レベル振幅の移動平均値における変化の方向性、火炎温度制御調整値及び前記音響レベル振幅の移動平均値の少なくとも1つに基づいた誤差信号(308)を前記制御装置に入力する段階を含む、請求項1記載の方法。
- 前記燃焼器への燃料流量を調整する段階が、
所定の時間にわたって前記音響レベル振幅の移動平均値(302)を監視する段階と、
前記音響レベル振幅の移動平均値が前記所定の時間の経過時点で低下していない場合には、次に燃料流量の制御を別の燃焼器リングに順次切り替えること及び前記制御装置の調整の方向を変更することのうちの少なくとも1つを行う段階と、
をさらに含む、請求項1記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/748,360 | 2003-12-30 | ||
US10/748,360 US6973791B2 (en) | 2003-12-30 | 2003-12-30 | Method and apparatus for reduction of combustor dynamic pressure during operation of gas turbine engines |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005195014A true JP2005195014A (ja) | 2005-07-21 |
JP4761768B2 JP4761768B2 (ja) | 2011-08-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004376535A Expired - Fee Related JP4761768B2 (ja) | 2003-12-30 | 2004-12-27 | ガスタービンエンジンの運転中に燃焼器動圧を低下させるための方法及び装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6973791B2 (ja) |
EP (1) | EP1553343B1 (ja) |
JP (1) | JP4761768B2 (ja) |
CN (1) | CN100489290C (ja) |
Cited By (1)
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KR101194126B1 (ko) * | 2007-12-13 | 2012-10-24 | 미츠비시 쥬고교 가부시키가이샤 | 가스 터빈의 제어 방법 및 가스 터빈 발전 장치 |
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US7197880B2 (en) * | 2004-06-10 | 2007-04-03 | United States Department Of Energy | Lean blowoff detection sensor |
DE102004036911A1 (de) * | 2004-07-29 | 2006-03-23 | Alstom Technology Ltd | Betriebsverfahren für eine Feuerungsanlage |
US7278266B2 (en) * | 2004-08-31 | 2007-10-09 | General Electric Company | Methods and apparatus for gas turbine engine lean blowout avoidance |
US8024934B2 (en) * | 2005-08-22 | 2011-09-27 | Solar Turbines Inc. | System and method for attenuating combustion oscillations in a gas turbine engine |
US7441411B2 (en) * | 2005-09-16 | 2008-10-28 | General Electric Company | Method and apparatus to detect onset of combustor hardware damage |
US7739873B2 (en) * | 2005-10-24 | 2010-06-22 | General Electric Company | Gas turbine engine combustor hot streak control |
US8001761B2 (en) | 2006-05-23 | 2011-08-23 | General Electric Company | Method and apparatus for actively controlling fuel flow to a mixer assembly of a gas turbine engine combustor |
EP1930569A1 (en) * | 2006-11-01 | 2008-06-11 | ALSTOM Technology Ltd | System for controlling a combustion process for a gas turbine |
GB2451144B (en) * | 2007-07-26 | 2011-11-16 | Gen Electric | Method and apparatus for actively controlling fuel flow to a mixer assembly of a gas turbine engine combuster |
US8028512B2 (en) | 2007-11-28 | 2011-10-04 | Solar Turbines Inc. | Active combustion control for a turbine engine |
US8631656B2 (en) * | 2008-03-31 | 2014-01-21 | General Electric Company | Gas turbine engine combustor circumferential acoustic reduction using flame temperature nonuniformities |
US9354618B2 (en) | 2009-05-08 | 2016-05-31 | Gas Turbine Efficiency Sweden Ab | Automated tuning of multiple fuel gas turbine combustion systems |
US9671797B2 (en) | 2009-05-08 | 2017-06-06 | Gas Turbine Efficiency Sweden Ab | Optimization of gas turbine combustion systems low load performance on simple cycle and heat recovery steam generator applications |
US8437941B2 (en) | 2009-05-08 | 2013-05-07 | Gas Turbine Efficiency Sweden Ab | Automated tuning of gas turbine combustion systems |
US9267443B2 (en) | 2009-05-08 | 2016-02-23 | Gas Turbine Efficiency Sweden Ab | Automated tuning of gas turbine combustion systems |
US9890714B2 (en) | 2009-05-26 | 2018-02-13 | Ansaldo Energia Ip Uk Limited | Automated extended turndown of a gas turbine engine combined with incremental tuning to maintain emissions and dynamics |
US9097185B2 (en) * | 2009-05-26 | 2015-08-04 | Alstom Technology Ltd | Stabilizing a gas turbine engine via incremental tuning |
US20110072826A1 (en) * | 2009-09-25 | 2011-03-31 | General Electric Company | Can to can modal decoupling using can-level fuel splits |
US8417433B2 (en) | 2010-04-30 | 2013-04-09 | Alstom Technology Ltd. | Dynamically auto-tuning a gas turbine engine |
US9927818B2 (en) | 2010-05-24 | 2018-03-27 | Ansaldo Energia Ip Uk Limited | Stabilizing a gas turbine engine via incremental tuning during transients |
CH705179A1 (de) * | 2011-06-20 | 2012-12-31 | Alstom Technology Ltd | Verfahren zum Betrieb einer Verbrennungsvorrichtung sowie Verbrennungsvorrichtung zur Durchführung des Verfahrens. |
US9255835B2 (en) | 2012-08-22 | 2016-02-09 | Siemens Energy, Inc. | System for remote vibration detection on combustor basket and transition in gas turbines |
US20140121998A1 (en) * | 2012-10-26 | 2014-05-01 | General Electric Company | Systems and Methods for Adverse Combustion Avoidance and Correction |
DE102012024348A1 (de) * | 2012-12-13 | 2014-06-18 | Robert Bosch Gmbh | Regeleinrichtung mit einem Schwingungssensor, Verfahren zu deren Betrieb und Heizeinrichtung mit einer solchen Regeleinrichtung |
WO2015066494A2 (en) | 2013-11-01 | 2015-05-07 | Etegent Technologies Ltd. | Broadband waveguide |
US10352778B2 (en) * | 2013-11-01 | 2019-07-16 | Etegent Technologies, Ltd. | Composite active waveguide temperature sensor for harsh environments |
WO2015157488A1 (en) | 2014-04-09 | 2015-10-15 | Etegent Technologies Ltd. | Active waveguide excitation and compensation |
EP3104078A1 (en) * | 2015-06-12 | 2016-12-14 | IFTA Ingenieurbüro Für Thermoakustik GmbH | Thermoacoustic precursor method and apparatus |
US10774753B2 (en) | 2016-10-21 | 2020-09-15 | General Electric Company | Indirect monitoring of aircraft combustor dynamics |
US10227932B2 (en) * | 2016-11-30 | 2019-03-12 | General Electric Company | Emissions modeling for gas turbine engines for selecting an actual fuel split |
US11092083B2 (en) | 2017-02-10 | 2021-08-17 | General Electric Company | Pressure sensor assembly for a turbine engine |
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- 2004-12-27 JP JP2004376535A patent/JP4761768B2/ja not_active Expired - Fee Related
- 2004-12-30 CN CNB2004101045097A patent/CN100489290C/zh active Active
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Also Published As
Publication number | Publication date |
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JP4761768B2 (ja) | 2011-08-31 |
US6973791B2 (en) | 2005-12-13 |
CN1680700A (zh) | 2005-10-12 |
US20050144955A1 (en) | 2005-07-07 |
CN100489290C (zh) | 2009-05-20 |
EP1553343B1 (en) | 2012-02-22 |
EP1553343A1 (en) | 2005-07-13 |
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