JP2009062981A - ガスタービンの部分負荷運転条件のための方法及びシステム - Google Patents
ガスタービンの部分負荷運転条件のための方法及びシステム Download PDFInfo
- Publication number
- JP2009062981A JP2009062981A JP2008223086A JP2008223086A JP2009062981A JP 2009062981 A JP2009062981 A JP 2009062981A JP 2008223086 A JP2008223086 A JP 2008223086A JP 2008223086 A JP2008223086 A JP 2008223086A JP 2009062981 A JP2009062981 A JP 2009062981A
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- Prior art keywords
- compressor
- combustor
- turbine
- air
- gas turbine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
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- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
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- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
- F02C7/185—Cooling means for reducing the temperature of the cooling air or gas
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- 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
- F05D2270/05—Purpose of the control system to affect the output of the engine
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- 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
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Control Of Turbines (AREA)
Abstract
【解決手段】本方法及びシステムは、燃焼器(120)に対する燃料流量を低下させることと、燃焼器(120)に対する空気流量を低下させるために圧縮機(110)から空気を抽出することと、抽出した空気をタービン(130)に又は燃焼器以外(120)のガスタービンシステム(100)の部品に戻すこととを含むことができる。圧縮機(110)から空気を抽出することは、燃焼器(120)内の燃焼温度を上昇させる。燃焼温度を上昇させることは、燃焼排気ガスを所定のレベル以下に維持し、安定燃焼を維持し、かつタービンターンダウン値を拡大する。
【選択図】 図1
Description
110 圧縮機
120 燃焼器
125 燃焼器缶
130 タービン
140 シャフト
150 負荷
155 負荷センサ
160 圧縮機段抽気
165 圧縮機段抽気バルブ
170 圧縮機吐出口抽気
175 圧縮機吐出口
180 熱交換器
190 排気温度センサ
195 タービン通路温度センサ
200 圧縮機吐出口抽気制御バルブ
210 コントローラ
220 排気ガス再循環
Claims (9)
- 圧縮機(110)、燃焼器(120)及びタービン(130)を有するガスタービンシステム(100)を部分負荷で運転する方法であって、
前記燃焼器(120)に対する燃料流量を低下させるステップと、
前記燃焼器(120)に対する空気流量を低下させるために前記圧縮機(110)から空気を抽出するステップと、
前記抽出した空気を前記タービン(130)に又は前記燃焼器以外(120)の前記ガスタービンシステム(100)の部品に戻すステップと
を含む方法。 - 前記圧縮機(100)から空気を抽出するステップが、該圧縮機(100)の吐出口(175)から空気を抽出するステップを含む、請求項1記載の方法。
- 前記燃焼器(120)に対する空気流量を低下させるために前記圧縮機(110)から空気を抽出するステップが、該燃焼器(120)内の燃焼温度を上昇させるステップを含む、請求項1記載の方法。
- 前記燃焼器(120)内の燃焼温度を上昇させるステップが、該燃焼器(120)の燃焼排気ガスを所定のレベル以下に維持するステップを含む、請求項3記載の方法。
- 前記抽出した空気を前記タービン(130)に戻すステップが、該タービン(130)を冷却するステップを含む、請求項1記載の方法。
- 前記抽出した空気を前記燃焼器(120)以外の前記ガスタービンシステム(100)の部品に戻すステップが、該抽出した空気を熱交換器(180)に導くステップを含む、請求項1記載の方法。
- 前記圧縮機(110)から空気を抽出するステップが、1以上の圧縮機段抽気(160)を含み、当該方法が、部分負荷運転時に前記1以上の圧縮機段抽気(160)を前記タービン(130)に導くステップをさらに含む、請求項1記載の方法。
- 前記抽出する空気のボリュームが、前記ガスタービンシステム(100)の負荷、前記タービン(130)からの排気温度又は前記タービン(130)内の温度に応じて変化する、請求項1記載の方法。
- 圧縮機(110)と、
前記圧縮機(110)と連通した燃焼器(120)と
を含み、前記圧縮機(110)が、部分負荷運転時に該圧縮機(110)からの空気を抽出することができるようにする圧縮機吐出口バルブ(200)を含む、ガスタービンシステム(100)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/849,383 US20090056342A1 (en) | 2007-09-04 | 2007-09-04 | Methods and Systems for Gas Turbine Part-Load Operating Conditions |
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JP2009062981A true JP2009062981A (ja) | 2009-03-26 |
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JP2008223086A Pending JP2009062981A (ja) | 2007-09-04 | 2008-09-01 | ガスタービンの部分負荷運転条件のための方法及びシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090056342A1 (ja) |
JP (1) | JP2009062981A (ja) |
DE (1) | DE102008044476A1 (ja) |
FR (1) | FR2920477A1 (ja) |
RU (1) | RU2008135804A (ja) |
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Also Published As
Publication number | Publication date |
---|---|
RU2008135804A (ru) | 2010-03-10 |
US20090056342A1 (en) | 2009-03-05 |
FR2920477A1 (fr) | 2009-03-06 |
DE102008044476A1 (de) | 2009-03-05 |
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