JP5271380B2 - タービン制御弁試験のための流量補償 - Google Patents
タービン制御弁試験のための流量補償 Download PDFInfo
- Publication number
- JP5271380B2 JP5271380B2 JP2011106888A JP2011106888A JP5271380B2 JP 5271380 B2 JP5271380 B2 JP 5271380B2 JP 2011106888 A JP2011106888 A JP 2011106888A JP 2011106888 A JP2011106888 A JP 2011106888A JP 5271380 B2 JP5271380 B2 JP 5271380B2
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- JP
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- Prior art keywords
- valve
- circuit
- turbine
- compensation
- test
- 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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- 238000012360 testing method Methods 0.000 title claims abstract description 84
- 230000000737 periodic effect Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 23
- 238000011076 safety test Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000000611 regression analysis Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
-
- 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
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/18—Final actuators arranged in stator parts varying effective number of nozzles or guide conduits, e.g. sequentially operable valves for steam turbines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Turbines (AREA)
Description
24 負荷センサ
26 速度センサ
30 圧力センサ
32 圧力コントローラ
36 速度コントローラ
38 負荷コントローラ
42 セレクタ
47 弁サーボ位置ループ
48 試験制御回路
50 試験補償回路
52 試験補償アレイ
56 乗算器回路
58 選択回路
59 加算回路
62 リフト流量アレイ
64 サンプルおよび保持回路
66 除算器回路
68 加算回路
Claims (2)
- 定期的動作試験中の弁(28)のうちの1つの閉じおよび再開によって引き起こされるN個の入力制御弁(28)を含むタービン(22)内の流れの乱れを低減するシステムであって、
前記タービン(22)によって要求される質量流量に対して、前記N個の入力制御弁(28)のうちの動作試験中ではないN−1個のそれぞれについての初期弁棒リフト補償の表示を与える試験補償アレイ(52)と、
第1サンプルおよび保持回路(54)がその対応する弁(28)が試験中ではないという表示を検出したとき、前記試験補償アレイ(52)によって出力された前記初期弁棒リフト補償をサンプリングする第1サンプルおよび保持回路(54)と、
前記試験弁(28)が閉じ、再開するときに、前記弁棒リフト補償を加える割合を判定するための補償因子に基づいて、前記対応する弁(28)に加える前記初期弁棒リフト補償の部分を求める乗算器回路(56)と、
前記対応する弁の初期リフト位置に基づいて、前記対応する弁(28)に対する初期質量流量要求値を与える回路(62)と、
第2サンプルおよび保持回路(64)が前記対応する弁(28)が試験中ではないという表示を受け取ったときに、前記初期質量流量要求値をサンプリングする第2サンプルおよび保持回路(64)と、
変化する質量流量要求値を前記初期質量流量要求値で除算する除算器回路(66)と、
除算器回路(66)の商を受け取って、前記試験弁(28)が閉じ、再開するときの前記対応する弁(28)に対する前記弁棒リフト補償の部分を決定する前記補償因子を生成する加算回路(68)と
を備え、
それによって前記N−1個の弁(28)を通る全質量流量が前記N個の弁(28)を通る全質量流量とほぼ同じままとなるシステム。 - 前記加算回路(68)が所定の値の固定信号を受け取り、前記除算器回路(66)の商を前記所定の値から減算して前記補償因子が求められる請求項1記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/953,268 | 2004-09-30 | ||
US10/953,268 US7134834B2 (en) | 2004-09-30 | 2004-09-30 | Flow compensation for turbine control valve test |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005281412A Division JP4831299B2 (ja) | 2004-09-30 | 2005-09-28 | タービン制御弁試験のための流量補償 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011149441A JP2011149441A (ja) | 2011-08-04 |
JP5271380B2 true JP5271380B2 (ja) | 2013-08-21 |
Family
ID=35249010
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005281412A Active JP4831299B2 (ja) | 2004-09-30 | 2005-09-28 | タービン制御弁試験のための流量補償 |
JP2011106888A Active JP5271380B2 (ja) | 2004-09-30 | 2011-05-12 | タービン制御弁試験のための流量補償 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005281412A Active JP4831299B2 (ja) | 2004-09-30 | 2005-09-28 | タービン制御弁試験のための流量補償 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7134834B2 (ja) |
JP (2) | JP4831299B2 (ja) |
CN (1) | CN1789672A (ja) |
CH (1) | CH699058B1 (ja) |
GB (1) | GB2418708A (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006030108A1 (de) * | 2006-06-28 | 2008-01-03 | Man Turbo Ag | Vorrichtung und Verfahren zum Durchführen eines Ventiltests an einer Turbomaschine |
DE102007029148B4 (de) * | 2007-06-25 | 2021-09-30 | Abb Ag | Verfahren zur Prüfung der Funktionsfähigkeit von Armaturen |
CN103090683B (zh) * | 2011-11-02 | 2015-03-11 | 上海宝信软件股份有限公司 | 脉冲炉的炉压控制方法 |
US9158307B2 (en) * | 2013-05-20 | 2015-10-13 | General Electric Company | System and method for feed-forward valve test compensation |
CN103334799B (zh) * | 2013-06-06 | 2015-04-15 | 西安陕鼓动力股份有限公司 | 双进汽冷凝式汽轮机进汽量的控制方法及控制系统 |
CN103758583B (zh) * | 2014-01-03 | 2015-11-11 | 广东电网公司电力科学研究院 | 基于deh的汽轮机的调门配汽曲线转换装置 |
CN105587349B (zh) * | 2015-10-20 | 2017-03-29 | 国网新疆电力公司电力科学研究院 | 汽机压控方式下的一次调频实现方法 |
US10260378B2 (en) * | 2016-09-29 | 2019-04-16 | General Electric Company | Systems and methods for controlling flow valves in a turbine |
CN111504649B (zh) * | 2020-04-15 | 2021-02-09 | 北京理工大学 | 一种双燃烧室的二级增压系统试验台及试验方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5923003A (ja) | 1982-07-30 | 1984-02-06 | Hitachi Ltd | 蒸気加減弁テスト装置 |
JPS6030403A (ja) * | 1983-07-29 | 1985-02-16 | Toshiba Corp | タ−ビン制御装置 |
US4512185A (en) * | 1983-10-03 | 1985-04-23 | Westinghouse Electric Corp. | Steam turbine valve test system |
JPS6291605A (ja) | 1985-10-17 | 1987-04-27 | Toshiba Corp | 蒸気タ−ビンの制御装置 |
JPH09189204A (ja) | 1996-01-09 | 1997-07-22 | Toshiba Corp | 蒸気タービン制御装置 |
JPH10212906A (ja) * | 1997-01-31 | 1998-08-11 | Mitsubishi Heavy Ind Ltd | 蒸気タービンの流量制御弁制御方式 |
JP4475027B2 (ja) * | 2004-06-15 | 2010-06-09 | 株式会社日立製作所 | タービン制御装置,その制御方法及びタービンシステム |
-
2004
- 2004-09-30 US US10/953,268 patent/US7134834B2/en active Active
-
2005
- 2005-09-19 GB GB0519064A patent/GB2418708A/en not_active Withdrawn
- 2005-09-28 JP JP2005281412A patent/JP4831299B2/ja active Active
- 2005-09-29 CH CH01579/05A patent/CH699058B1/de not_active IP Right Cessation
- 2005-09-30 CN CNA2005101088491A patent/CN1789672A/zh active Pending
-
2011
- 2011-05-12 JP JP2011106888A patent/JP5271380B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US20060067810A1 (en) | 2006-03-30 |
GB0519064D0 (en) | 2005-10-26 |
JP4831299B2 (ja) | 2011-12-07 |
GB2418708A (en) | 2006-04-05 |
CH699058B1 (de) | 2010-01-15 |
JP2011149441A (ja) | 2011-08-04 |
US7134834B2 (en) | 2006-11-14 |
CN1789672A (zh) | 2006-06-21 |
JP2006105135A (ja) | 2006-04-20 |
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