JP2011132951A - 蒸気タービンの始動方法 - Google Patents
蒸気タービンの始動方法 Download PDFInfo
- Publication number
- JP2011132951A JP2011132951A JP2010278690A JP2010278690A JP2011132951A JP 2011132951 A JP2011132951 A JP 2011132951A JP 2010278690 A JP2010278690 A JP 2010278690A JP 2010278690 A JP2010278690 A JP 2010278690A JP 2011132951 A JP2011132951 A JP 2011132951A
- Authority
- JP
- Japan
- Prior art keywords
- steam
- section
- pressure
- steam turbine
- upstream
- 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.)
- Ceased
Links
Classifications
-
- 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
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
- F01D19/02—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith dependent on temperature of component parts, e.g. of turbine-casing
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/02—Arrangement of sensing elements
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
-
- 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
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
-
- 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
- F05D2270/301—Pressure
-
- 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
- F05D2270/3032—Temperature excessive temperatures, e.g. caused by overheating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Turbines (AREA)
Abstract
【解決手段】本発明は、蒸気タービン(100)の始動に伴う始動時間を短縮する技術的効果を有する。本発明の実施形態は、蒸気タービン(100)の始動中に存在する蒸気と金属の温度不整合を低減する新規の方法を提供する。本質的に、本発明の実施形態は、蒸気タービン(100)の高圧(HP)セクション(120)に付属する流入バルブ(115)の上流側の蒸気圧力を高めることができる。蒸気の初期高圧は、蒸気エンタルピーを低下させ、HPセクション(120)に流入する蒸気温度を低下させることができる。
【選択図】 図1
Description
105 HPドラム
110 バイパスバルブ
115 流入バルブ
120 HPセクション
125 HPボウル
130 上流側位置
135 下流側位置
140 凝縮器
200 チャート
205 HPロータ応力
210 許容可能応力限界
215 HP上流側圧力
220 HP上流側温度
225 HPボウル温度
300 方法
400 方法
500 チャート
505 HPロータ応力
510 許容可能応力限界
515 HP上流側圧力
520 HP上流側温度
525 HPボウル温度
Claims (10)
- 発電プラント機械を始動する方法(300、400)であって、
蒸気を機械トルクに変換するよう構成され、HPセクション(120)を備えた蒸気タービン(100)を準備するステップと、
前記HPセクション(120)の上流側に配置された流入バルブ(115)の上流側の蒸気の圧力を圧力適合範囲にまで高めるステップ(315)と
を含んでおり、前記蒸気圧力を高めるステップにより、前記HPセクション(120)への流入前に蒸気の温度が低下するようにする、方法。 - 始動許容条件を満足した(325)場合に、前記蒸気タービンの始動を開始する(330)ステップを更に含む、請求項1記載の方法(300、400)。
- 前記流入バルブ(115)を開放し、蒸気が前記HPセクションに流入できるようにするステップ(345)を更に含む、請求項2記載の(300、400)。
- ロータ応力が許容可能範囲内にあるか否かを判定するステップ(350)を更に含む、請求項2記載の(300、400)。
- ロータ応力が許容可能範囲内になるまで前記蒸気タービンへの現在の負荷を維持するステップ(355)を更に含む、請求項4記載の(300、400)。
- 前記流入バルブ(115)の上流側の蒸気の圧力を低下させるステップ(360)を更に含む、請求項5記載の(300、400)。
- 前記HPセクションのHPボウル領域(125)における蒸気の温度を高めるステップ(365)を更に含む、請求項6記載の(300、400)。
- 前記HPセクションのHPボウル領域(125)における蒸気の温度を高めるステップ(365)を更に含む、請求項5記載の(300、400)。
- 前記流入バルブ(115)の上流側の蒸気の圧力を低下させるステップ(465)を更に含む、請求項8記載の(300、400)。
- 蒸気タービン(100)を備えた発電プラントを始動させる方法(300、400)であって、
蒸気を機械トルクに変換するよう構成され、HPセクション(120)及びバイパスシステム(110)を備えた蒸気タービン(100)を準備するステップと、
前記蒸気タービンの低温始動が必要か否かを判定するステップ(410)と、
前記HPセクション(120)の上流側に配置された流入バルブ(115)の上流側の蒸気の圧力を圧力適合範囲にまで高めるステップ(415)と、
前記流入バルブ(115)の上流側の蒸気が前記圧力適合範囲内にあるか否かを判定するステップ(420)と、
始動許容条件を満足した(425)場合に、前記蒸気タービンの始動を開始する(430)ステップと、
前記HPセクション(120)への蒸気流を可能にするように前記流入バルブ(115)を調整するステップ(440、445)と
を含んでおり、前記蒸気圧力を高めるステップにより、前記HPセクション(120)への蒸気の流入前に蒸気の温度が低下するようにする、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/646,201 US20110146276A1 (en) | 2009-12-23 | 2009-12-23 | Method of starting a steam turbine |
US12/646,201 | 2009-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2011132951A true JP2011132951A (ja) | 2011-07-07 |
Family
ID=43566990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010278690A Ceased JP2011132951A (ja) | 2009-12-23 | 2010-12-15 | 蒸気タービンの始動方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110146276A1 (ja) |
JP (1) | JP2011132951A (ja) |
DE (1) | DE102010061449A1 (ja) |
GB (1) | GB2476553A (ja) |
RU (1) | RU2010152280A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120131917A1 (en) * | 2010-11-30 | 2012-05-31 | General Electric Company | Methods and Systems for Loading a Steam Turbine |
US20150219055A1 (en) * | 2014-02-05 | 2015-08-06 | General Electric Company | Systems and methods for initializing a generator |
CN109154205A (zh) * | 2016-05-17 | 2019-01-04 | 西门子能源有限公司 | 用于判断涡轮机安全起动间隙的系统和方法 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2644841A1 (en) * | 2012-03-29 | 2013-10-02 | Alstom Technology Ltd | Method of operating a turbine engine after flame off |
US8925319B2 (en) * | 2012-08-17 | 2015-01-06 | General Electric Company | Steam flow control system |
US10100679B2 (en) | 2015-08-28 | 2018-10-16 | General Electric Company | Control system for managing steam turbine rotor stress and method of use |
US10040577B2 (en) | 2016-02-12 | 2018-08-07 | United Technologies Corporation | Modified start sequence of a gas turbine engine |
US10508567B2 (en) | 2016-02-12 | 2019-12-17 | United Technologies Corporation | Auxiliary drive bowed rotor prevention system for a gas turbine engine through an engine accessory |
US10443507B2 (en) | 2016-02-12 | 2019-10-15 | United Technologies Corporation | Gas turbine engine bowed rotor avoidance system |
US10125691B2 (en) | 2016-02-12 | 2018-11-13 | United Technologies Corporation | Bowed rotor start using a variable position starter valve |
US10436064B2 (en) | 2016-02-12 | 2019-10-08 | United Technologies Corporation | Bowed rotor start response damping system |
US10174678B2 (en) | 2016-02-12 | 2019-01-08 | United Technologies Corporation | Bowed rotor start using direct temperature measurement |
US9664070B1 (en) | 2016-02-12 | 2017-05-30 | United Technologies Corporation | Bowed rotor prevention system |
US10508601B2 (en) | 2016-02-12 | 2019-12-17 | United Technologies Corporation | Auxiliary drive bowed rotor prevention system for a gas turbine engine |
US10443505B2 (en) | 2016-02-12 | 2019-10-15 | United Technologies Corporation | Bowed rotor start mitigation in a gas turbine engine |
US10125636B2 (en) | 2016-02-12 | 2018-11-13 | United Technologies Corporation | Bowed rotor prevention system using waste heat |
US10539079B2 (en) | 2016-02-12 | 2020-01-21 | United Technologies Corporation | Bowed rotor start mitigation in a gas turbine engine using aircraft-derived parameters |
EP3211184B1 (en) | 2016-02-29 | 2021-05-05 | Raytheon Technologies Corporation | Bowed rotor prevention system and associated method of bowed rotor prevention |
US10787933B2 (en) | 2016-06-20 | 2020-09-29 | Raytheon Technologies Corporation | Low-power bowed rotor prevention and monitoring system |
US10358936B2 (en) | 2016-07-05 | 2019-07-23 | United Technologies Corporation | Bowed rotor sensor system |
EP3273006B1 (en) | 2016-07-21 | 2019-07-03 | United Technologies Corporation | Alternating starter use during multi-engine motoring |
EP3273016B1 (en) | 2016-07-21 | 2020-04-01 | United Technologies Corporation | Multi-engine coordination during gas turbine engine motoring |
US10618666B2 (en) | 2016-07-21 | 2020-04-14 | United Technologies Corporation | Pre-start motoring synchronization for multiple engines |
US10221774B2 (en) | 2016-07-21 | 2019-03-05 | United Technologies Corporation | Speed control during motoring of a gas turbine engine |
US10384791B2 (en) | 2016-07-21 | 2019-08-20 | United Technologies Corporation | Cross engine coordination during gas turbine engine motoring |
US10787968B2 (en) | 2016-09-30 | 2020-09-29 | Raytheon Technologies Corporation | Gas turbine engine motoring with starter air valve manual override |
US10443543B2 (en) | 2016-11-04 | 2019-10-15 | United Technologies Corporation | High compressor build clearance reduction |
US10823079B2 (en) | 2016-11-29 | 2020-11-03 | Raytheon Technologies Corporation | Metered orifice for motoring of a gas turbine engine |
US11428115B2 (en) * | 2020-09-25 | 2022-08-30 | General Electric Company | Control of rotor stress within turbomachine during startup operation |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07166814A (ja) * | 1993-12-14 | 1995-06-27 | Toshiba Corp | 一軸コンバインドサイクル発電プラントの起動方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4267458A (en) * | 1972-04-26 | 1981-05-12 | Westinghouse Electric Corp. | System and method for starting, synchronizing and operating a steam turbine with digital computer control |
GB2002543B (en) * | 1977-07-29 | 1982-02-17 | Hitachi Ltd | Rotor-stress preestimating turbine control system |
US4204258A (en) * | 1978-10-03 | 1980-05-20 | Westinghouse Electric Corp. | Turbine acceleration governing system |
US4448026A (en) * | 1981-09-25 | 1984-05-15 | Westinghouse Electric Corp. | Turbine high pressure bypass pressure control system |
US4589255A (en) * | 1984-10-25 | 1986-05-20 | Westinghouse Electric Corp. | Adaptive temperature control system for the supply of steam to a steam turbine |
US4598551A (en) * | 1985-10-25 | 1986-07-08 | General Electric Company | Apparatus and method for controlling steam turbine operating conditions during starting and loading |
JP2593578B2 (ja) * | 1990-10-18 | 1997-03-26 | 株式会社東芝 | コンバインドサイクル発電プラント |
US5435138A (en) * | 1994-02-14 | 1995-07-25 | Westinghouse Electric Corp. | Reduction in turbine/boiler thermal stress during bypass operation |
US7621133B2 (en) * | 2005-11-18 | 2009-11-24 | General Electric Company | Methods and apparatus for starting up combined cycle power systems |
-
2009
- 2009-12-23 US US12/646,201 patent/US20110146276A1/en not_active Abandoned
-
2010
- 2010-12-10 GB GB1020966A patent/GB2476553A/en not_active Withdrawn
- 2010-12-15 JP JP2010278690A patent/JP2011132951A/ja not_active Ceased
- 2010-12-21 RU RU2010152280/06A patent/RU2010152280A/ru not_active Application Discontinuation
- 2010-12-21 DE DE102010061449A patent/DE102010061449A1/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07166814A (ja) * | 1993-12-14 | 1995-06-27 | Toshiba Corp | 一軸コンバインドサイクル発電プラントの起動方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120131917A1 (en) * | 2010-11-30 | 2012-05-31 | General Electric Company | Methods and Systems for Loading a Steam Turbine |
US8843240B2 (en) * | 2010-11-30 | 2014-09-23 | General Electric Company | Loading a steam turbine based on flow and temperature ramping rates |
US20150219055A1 (en) * | 2014-02-05 | 2015-08-06 | General Electric Company | Systems and methods for initializing a generator |
US9157406B2 (en) * | 2014-02-05 | 2015-10-13 | General Electric Company | Systems and methods for initializing a generator |
CN109154205A (zh) * | 2016-05-17 | 2019-01-04 | 西门子能源有限公司 | 用于判断涡轮机安全起动间隙的系统和方法 |
Also Published As
Publication number | Publication date |
---|---|
GB201020966D0 (en) | 2011-01-26 |
DE102010061449A1 (de) | 2011-06-30 |
GB2476553A (en) | 2011-06-29 |
RU2010152280A (ru) | 2012-06-27 |
US20110146276A1 (en) | 2011-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2011132951A (ja) | 蒸気タービンの始動方法 | |
JP5735795B2 (ja) | ターボ機械を始動する方法 | |
US8365583B2 (en) | Method and system for testing an overspeed protection system of a powerplant machine | |
JP5815972B2 (ja) | パワープラント機械の過速度保護システムの試験を行うときを決定する方法 | |
JP2009108860A (ja) | 発電プラントブロック装荷のための方法及びシステム | |
JP2008095691A (ja) | 電力網周波数を安定化するための方法および装置 | |
US8756939B2 (en) | Method and system for testing an overspeed protection system of a powerplant machine | |
JP2010276026A (ja) | 部分負荷時の蒸気タービンの温度性能向上制御 | |
JP5883568B2 (ja) | 発電プラントの過速度保護システムを試験する方法及びシステム | |
JP6375585B2 (ja) | コンバインドサイクルプラント、その制御方法、及びその制御装置 | |
WO2015141458A1 (ja) | コンバインドサイクルプラント、その制御方法、及びその制御装置 | |
JP6262354B2 (ja) | 単軸システムの過速防止装置を検査するための方法 | |
JP6730116B2 (ja) | プラント制御装置、プラント制御方法、および発電プラント | |
DK2799670T3 (en) | POWER GENERATING APPARATUS AND POWER GENERATING PROCEDURE | |
US8857184B2 (en) | Method for starting a turbomachine | |
JP6231228B2 (ja) | 複合サイクルガスタービンプラント | |
JP5965140B2 (ja) | ターボ機械の弁を制御する方法及びシステム | |
JP2008253092A (ja) | 自動同期化方法 | |
JP5627409B2 (ja) | コンバインドサイクル発電プラントおよび制御装置 | |
JP2008075580A (ja) | 低圧蒸気タービンシステムおよびその制御方法 | |
JP6831059B2 (ja) | プラント制御装置、プラント制御方法、およびプラント制御プログラム | |
JP2014219011A (ja) | コンバインドサイクル発電プラントおよび制御装置 | |
JP2009008000A (ja) | 蒸気加減弁動作テスト方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20131211 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20140730 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140805 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20150217 |
|
A045 | Written measure of dismissal of application [lapsed due to lack of payment] |
Free format text: JAPANESE INTERMEDIATE CODE: A045 Effective date: 20150630 |