CN102831317B - A kind of method and apparatus obtaining wind power generating set load data - Google Patents
A kind of method and apparatus obtaining wind power generating set load data Download PDFInfo
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- CN102831317B CN102831317B CN201210307136.8A CN201210307136A CN102831317B CN 102831317 B CN102831317 B CN 102831317B CN 201210307136 A CN201210307136 A CN 201210307136A CN 102831317 B CN102831317 B CN 102831317B
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Abstract
The method and apparatus that the invention discloses a kind of wind power generating set LOAD FOR, by processing certain unit vibration data and stress data, it is thus achieved that the corresponding relation between this unit vibration data and rack load；Above-mentioned corresponding relation for other same type machine units, by measuring the vibration data of this same type machine unit, and obtain without measuring load data during unit stress equipment according to described corresponding relation.The i.e. present invention can be used for obtaining the real-time magnitude of load of unit, and then monitors the load of unit in real time, thus improves the service life of unit.
Description
Technical field
The present invention relates to wind-powered electricity generation field, in particular it relates to the method and apparatus of a kind of wind power generating set LOAD FOR.
Background technology
Constantly developing recently as wind-power electricity generation, wind energy turbine set installed capacity rises year by year, and the ratio shared by wind-power electricity generation is increasing, has been increasingly becoming a kind of conventional energy resource.One of factor closely-related with aerogenerator unit safe is exactly load of wind turbine generator size, design and the manufacture of many Wind turbines manufacturers are more hurry, the load of unit is calculating the most in theory mostly, and the real load test of unit needs relevant equipment, and substantial amounts of financial support.And only it is merely test single unit load, owing to each wind field practical situation is different, so the stress of each unit has its diversity.In order to be more prone to obtain the real-time magnitude of load of unit, reduce fund input to greatest extent, support for the load-optimised offer data that unit is follow-up simultaneously, the non-load data by unit is needed to carry out data analysis, indirectly obtain the load data of unit, and then the load of unit is monitored in real time, thus improve the service life of unit.
Summary of the invention
The method and apparatus that it is an object of the invention to provide a kind of wind power generating set LOAD FOR, can be used for obtaining the real-time magnitude of load of unit, and then monitors the load of unit in real time, thus improve the service life of unit.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of method of wind power generating set LOAD FOR, including:
Step (1), by processing certain unit vibration data and pressure data, it is thus achieved that the corresponding relation between this unit vibration data and rack load；
Step (2), above-mentioned corresponding relation for other same type machine units, by measuring the vibration data of this same type machine unit, and obtains this same type machine unit load data when being fitted without pressure measuring device according to described corresponding relation.
Further, described step (1) specifically includes:
Step A, gathers the vibration signal of vibrating sensor, by processing circuit and algorithm, is filtered and calculation process, the vibration data after being processed；
Step B, gathers the pressure signal of pressure transducer, by processing circuit and algorithm, is filtered and calculation process, the pressure data after being processed；
Step C, adds up according to the pressure data after the vibration data after process and process, and the pressure data after the vibration data after processing and process is carried out spectrum calculation, passes through algorithm process, it is thus achieved that oscillating load homography.
Further, described step (1) also includes:
Step D, selects load unit parts to be monitored；By inputted vibration data to oscillating load homography, it is thus achieved that selected the assumed (specified) load of unit parts；Again by the contrast to the observed pressure data Yu assumed (specified) load selecting unit parts, oscillating load homography is corrected, finally obtains oscillating load homography accurately.
Further, described vibrating sensor includes cabin porpoise sensor, cabin side-to-side vibrations sensor and gear-box up-down vibration sensor；Described pressure transducer includes tower bottom pressure sensor, tower top pressure sensor and blade root pressure transducer.
A kind of device of wind power generating set LOAD FOR, including:
Vibrating sensor processing circuit module, for gathering the vibration signal of vibrating sensor, by processing circuit and algorithm, is filtered and calculation process, the vibration data after being processed；
Pressure transducer processing circuit module, for gathering the pressure signal of pressure transducer, by processing circuit and algorithm, is filtered and calculation process, the pressure data after being processed；
LOAD FOR PLC module, including data processing module and oscillating load respective modules；Described data processing module is for adding up according to the pressure data after the vibration data after process and process, and the pressure data after the vibration data after processing and process is carried out spectrum calculation, passes through algorithm process, it is thus achieved that oscillating load homography；Described oscillating load homography, in other same type machine units, by measuring the vibration data of this same type machine unit, and obtains this same type machine unit load data when being fitted without pressure measuring device according to homography.
Further, described LOAD FOR PLC module also includes:
Select payload module, for selecting load unit parts to be monitored；
Assumed (specified) load module, is used for by inputted vibration data to oscillating load respective modules, it is thus achieved that selected the assumed (specified) load of unit parts；
Check and correction payload module, for by the contrast to the observed pressure data Yu assumed (specified) load selecting unit parts, is corrected oscillating load homography through data processing module, finally obtains oscillating load homography accurately.
Compared with prior art, the method have the advantages that
(1) relation between the present invention calculates rack load data and vibration data, can be that the load of same type machine unit provides new computational methods, solve Wind turbines do not have measure stress equipment in the case of obtain the load data of blower fan.
(2) present invention provides load data support for load shedding Optimization Work.
(3) present invention realizes being relatively easy to, and cost is relatively low, is beneficial to promote.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the method and apparatus block diagram of wind power generating set LOAD FOR.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the present invention, is not intended to limit the present invention.
Embodiment 1
As it is shown in figure 1, the device of a kind of wind power generating set LOAD FOR of the present invention, including: vibrating sensor processing circuit module, for gathering the vibration signal of vibrating sensor, by processing circuit and algorithm, it is filtered and calculation process；Pressure transducer processing circuit module, for gathering the pressure signal of pressure transducer, by processing circuit and algorithm, is filtered and calculation process；LOAD FOR PLC, including data processing module, (being broadly divided into two parts, one is actual-structure measurement analysis, and two is frequency spectrum data statistical analysis；Actual-structure measurement analysis is primarily directed to ultimate load, and frequency spectrum data statistical analysis is primarily directed to fatigue load) and oscillating load respective modules；For adding up according to the pressure data after the vibration data after processing and process, and its data are carried out spectrum calculation, pass through algorithm process, it is thus achieved that oscillating load homography；
Described oscillating load homography can be used in other same type machine units, by measuring the vibration data of this same type machine unit, and obtains without measuring load data during unit stress equipment according to homography.
In order to improve the accuracy of LOAD FOR, above-mentioned LOAD FOR PLC also includes: select payload module, for selecting load unit parts to be monitored；Assumed (specified) load module, is used for by inputted vibration data to oscillating load respective modules, it is thus achieved that selected the assumed (specified) load of unit parts；Check and correction payload module, for by the contrast to the observed pressure data Yu assumed (specified) load selecting unit parts, is corrected oscillating load homography through data processing module, finally obtains oscillating load homography accurately.
Embodiment 2
The method of a kind of wind power generating set LOAD FOR of the present invention, mainly by processing certain unit vibration data and stress data, it is thus achieved that the corresponding relation between this unit vibration data and rack load；Above-mentioned corresponding relation is being used for other same type machine units, by measuring the vibration data of this same type machine unit, and is obtaining without measuring load data during unit stress equipment according to described corresponding relation.
Specifically include:
Step A, gathers the vibration signal of vibrating sensor, by processing circuit and algorithm, is filtered and calculation process；
Step B, gathers the pressure signal of pressure transducer, by processing circuit and algorithm, is filtered and calculation process；
Step C, adds up according to the pressure data after the vibration data after processing and process, and its data is carried out spectrum calculation, pass through algorithm process, it is thus achieved that oscillating load homography；
Step D, selects load unit parts to be monitored；By inputted vibration data to oscillating load homography, it is thus achieved that selected the assumed (specified) load of unit parts；Again by the contrast to the observed pressure data Yu assumed (specified) load selecting unit parts, oscillating load homography is corrected, finally obtains oscillating load homography accurately.
Step E, is putting into other same type machine units the above-mentioned homography of oscillating load accurately, by measuring the vibration data of this same type machine unit, and obtains without measuring load data during unit stress equipment according to described homography.
Wherein, above-mentioned vibrating sensor includes cabin porpoise sensor, cabin side-to-side vibrations sensor and gear-box up-down vibration sensor；Described pressure transducer includes tower bottom pressure sensor, tower top pressure sensor and blade root pressure transducer.
The present invention passes through said apparatus and method, it is possible to achieve when not measuring unit stress equipment, it is also possible to detect the load data of unit in real time, and cost is relatively low, it is easy to accomplish and promote.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in previous embodiment still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (5)
1. the method obtaining wind power generating set load data, it is characterised in that including:
Step (1), by processing certain unit vibration data and pressure data, it is thus achieved that the corresponding relation between this unit vibration data and rack load；Described step (1) specifically includes:
Step A, gathers the vibration signal of vibrating sensor, by processing circuit and algorithm, is filtered and calculation process, the vibration data after being processed；
Step B, gathers the pressure signal of pressure transducer, by processing circuit and algorithm, is filtered and calculation process, the pressure data after being processed；
Step C, adds up according to the pressure data after the vibration data after process and process, and the pressure data after the vibration data after processing and process is carried out spectrum calculation, passes through algorithm process, it is thus achieved that oscillating load homography；
Step (2), above-mentioned corresponding relation for other same type machine units, by measuring the vibration data of this same type machine unit, and obtains this same type machine unit load data when being fitted without pressure measuring device according to described corresponding relation.
The method of acquisition wind power generating set load data the most according to claim 1, it is characterised in that described step (1) also includes:
Step D, selects load unit parts to be monitored；By inputted vibration data to oscillating load homography, it is thus achieved that selected the assumed (specified) load of unit parts；Again by the contrast to the observed pressure data Yu assumed (specified) load selecting unit parts, oscillating load homography is corrected, finally obtains oscillating load homography accurately.
The method of acquisition wind power generating set load data the most according to claim 1 and 2, it is characterised in that described vibrating sensor includes cabin porpoise sensor, cabin side-to-side vibrations sensor and gear-box up-down vibration sensor；Described pressure transducer includes tower bottom pressure sensor, tower top pressure sensor and blade root pressure transducer.
4. the device obtaining wind power generating set load data, it is characterised in that including:
Vibrating sensor processing circuit module, for gathering the vibration signal of vibrating sensor, by processing circuit and algorithm, is filtered and calculation process, the vibration data after being processed；
Pressure transducer processing circuit module, for gathering the pressure signal of pressure transducer, by processing circuit and algorithm, is filtered and calculation process, the pressure data after being processed；
LOAD FOR PLC module, including data processing module and oscillating load respective modules；Described data processing module is for adding up according to the pressure data after the vibration data after process and process, and the pressure data after the vibration data after processing and process is carried out spectrum calculation, passes through algorithm process, it is thus achieved that oscillating load homography；Described oscillating load homography, in other same type machine units, by measuring the vibration data of this same type machine unit, and obtains this same type machine unit load data when being fitted without pressure measuring device according to homography.
The device of acquisition wind power generating set load data the most according to claim 4, it is characterised in that described LOAD FOR PLC module also includes:
Select payload module, for selecting load unit parts to be monitored；
Assumed (specified) load module, is used for by inputted vibration data to oscillating load respective modules, it is thus achieved that selected the assumed (specified) load of unit parts；
Check and correction payload module, for by the contrast to the observed pressure data Yu assumed (specified) load selecting unit parts, is corrected oscillating load homography through data processing module, finally obtains oscillating load homography accurately.
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| CN104537424B (en) * | 2014-10-28 | 2017-07-28 | 北京天源科创风电技术有限责任公司 | A kind of method for setting up the predicated response system based on load of wind turbine generator database |
| CN104732060B (en) * | 2015-01-19 | 2017-09-29 | 湖南科技大学 | A kind of many heavy load ONLINE RECOGNITION methods of large-scale wind electricity turbines vane |
| CN105173126B (en) * | 2015-08-04 | 2017-06-13 | 西北工业大学 | A kind of payload module replaced on ground experimental rig |
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| US6196514B1 (en) * | 1998-09-18 | 2001-03-06 | Csa Engineering, Inc. | Large airborne stabilization/vibration isolation system |
| CN201326511Y (en) * | 2008-12-24 | 2009-10-14 | 华锐风电科技有限公司 | Signal acquisition device for independent pitch system of wind turbine |
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| CN102622458A (en) * | 2011-01-30 | 2012-08-01 | 华锐风电科技(集团)股份有限公司 | Wind generating set vibration and load integration evaluating system and evaluation method |
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