SK288140B6 - Non-contact method for monitoring turbine blade particular individual steam or gas turbines in power system and system thereof - Google Patents
Non-contact method for monitoring turbine blade particular individual steam or gas turbines in power system and system thereof Download PDFInfo
- Publication number
- SK288140B6 SK288140B6 SK50028-2010A SK500282010A SK288140B6 SK 288140 B6 SK288140 B6 SK 288140B6 SK 500282010 A SK500282010 A SK 500282010A SK 288140 B6 SK288140 B6 SK 288140B6
- Authority
- SK
- Slovakia
- Prior art keywords
- turbine
- blade
- blades
- time
- sensors
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 title claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 12
- 239000013598 vector Substances 0.000 claims abstract description 7
- 238000012937 correction Methods 0.000 claims abstract description 6
- 238000007619 statistical method Methods 0.000 claims abstract description 4
- 238000011156 evaluation Methods 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 5
- 230000005355 Hall effect Effects 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000007562 laser obscuration time method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000001845 vibrational spectrum Methods 0.000 description 2
- 101150104646 SET4 gene Proteins 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013501 data transformation Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Turbines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CZ20090677A CZ303476B6 (cs) | 2009-10-15 | 2009-10-15 | Zpusob bezkontaktního monitorování turbín, zejména jednotlivých lopatek parní nebo plynové turbíny v elektrárnách, a systém k provádení tohoto zpusobu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SK500282010A3 SK500282010A3 (sk) | 2011-05-06 |
| SK288140B6 true SK288140B6 (sk) | 2013-11-04 |
Family
ID=43437240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK50028-2010A SK288140B6 (sk) | 2009-10-15 | 2010-06-28 | Non-contact method for monitoring turbine blade particular individual steam or gas turbines in power system and system thereof |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2312410B1 (cs) |
| CZ (1) | CZ303476B6 (cs) |
| SK (1) | SK288140B6 (cs) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2482468B (en) * | 2010-05-18 | 2013-12-18 | Weston Aerospace Ltd | Method and system for inductive sensing of blades in a turbine engine |
| EP2728128A1 (de) * | 2012-10-31 | 2014-05-07 | Siemens Aktiengesellschaft | Messverfahren zur Schadenserkennung an einer Turbinenschaufel und Turbine |
| US9140718B2 (en) | 2013-10-04 | 2015-09-22 | Hamilton Sundstrand Corporation | Speed sensor identification |
| CZ305615B6 (cs) * | 2014-12-11 | 2016-01-06 | Výzkumný A Zkušební Ústav Plzeň S.R.O. | Způsob monitorování zbytkové životnosti oběžných lopatek turbostrojů |
| JP2018204504A (ja) * | 2017-06-01 | 2018-12-27 | 三菱日立パワーシステムズ株式会社 | タービン翼の最大応答予測方法、タービン翼の最大応答予測システム及び制御プログラム、並びにタービン翼の最大応答予測システムを備えたタービン |
| CN108760037B (zh) * | 2018-06-15 | 2020-03-17 | 西安交通大学 | 一种基于频谱分析的风力发电机叶片结构损伤检测方法 |
| CN114166941A (zh) * | 2021-11-23 | 2022-03-11 | 哈尔滨工程大学 | 一种叶片裂纹长度参数在线识别方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4358828A (en) * | 1979-06-11 | 1982-11-09 | Cummins Engine Company, Inc. | Engine speed measuring system |
| FR2502788A1 (fr) * | 1981-03-26 | 1982-10-01 | Rech Produits Et | Dispositif de controle des informations representant le mouvement d'un organe rotatif |
| US4573358A (en) * | 1984-10-22 | 1986-03-04 | Westinghouse Electric Corp. | Turbine blade vibration detection apparatus |
| US4967153A (en) * | 1986-09-08 | 1990-10-30 | Langley Lawrence W | Eddy current turbomachinery blade timing system |
| JP2588248B2 (ja) * | 1988-06-23 | 1997-03-05 | 株式会社東芝 | 回転機械の欠陥検出装置 |
| GB2414300B (en) * | 2004-02-12 | 2006-09-20 | Weston Aerospace | Signal processing method and apparatus |
| FR2866953B1 (fr) * | 2004-02-27 | 2006-06-30 | Electricite De France | Procede et systeme de mesure de vibration a la peripherie d'un corps tournant |
| US7574035B2 (en) * | 2006-04-07 | 2009-08-11 | United Technologies Corporation | System and method for inspection of hole location on turbine airfoils |
| GB2455800B (en) * | 2007-12-21 | 2010-07-21 | Weston Aerospace Ltd | Method and apparatus for monitoring the rotational speed of a shaft |
| GB2455798B (en) * | 2007-12-21 | 2010-04-28 | Weston Aerospace Ltd | Method and apparatus for monitoring a rotating shaft |
-
2009
- 2009-10-15 CZ CZ20090677A patent/CZ303476B6/cs not_active IP Right Cessation
-
2010
- 2010-06-28 SK SK50028-2010A patent/SK288140B6/sk not_active IP Right Cessation
- 2010-10-06 EP EP10013343A patent/EP2312410B1/en not_active Revoked
Also Published As
| Publication number | Publication date |
|---|---|
| EP2312410A1 (en) | 2011-04-20 |
| EP2312410B1 (en) | 2012-10-24 |
| CZ2009677A3 (cs) | 2011-04-27 |
| CZ303476B6 (cs) | 2012-10-10 |
| SK500282010A3 (sk) | 2011-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed due to non-payment of maintenance fees |
Effective date: 20160628 |