CN110082100A - A kind of Wind turbines yaw drive system Even load test verification method - Google Patents
A kind of Wind turbines yaw drive system Even load test verification method Download PDFInfo
- Publication number
- CN110082100A CN110082100A CN201910230172.0A CN201910230172A CN110082100A CN 110082100 A CN110082100 A CN 110082100A CN 201910230172 A CN201910230172 A CN 201910230172A CN 110082100 A CN110082100 A CN 110082100A
- Authority
- CN
- China
- Prior art keywords
- drive system
- yaw drive
- yaw
- speed shaft
- torque
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of Wind turbines yaw drive system Even load test verification methods, this method fully considers yaw drive system design feature, by installing torsion-testing sensor in the structure before yaw reduction gearbox planetary system final stage ring gear and support underframe, pass through the calibration relationship of measurement structure outer wall torsional distortion and strain deformation amount and torque, extrapolation yaw driving torque, it is different from the method that traditional test installs torque sensor additional, directly sensor itself is converted by yaw drive system, integrated testability method is without changing original system structure, it is larger to drive system change to solve common detection methods, workload is heavy and gear train efficiency unknown the defects of causing measured deviation.
Description
Technical field
The present invention relates to the technical fields of Wind turbines yaw driving, refer in particular to a kind of Wind turbines yaw drive system
Even load test verification method.
Background technique
Known in the industry, as wind power generating set develops to enlargement, yaw drive system belongs to heavily loaded system at a slow speed, and one
As can be in varying numbers in the more yaw drive systems of design in yawing gear ring one week.Yaw drive system is mainly by yaw driving electricity
The compositions such as machine, yaw reduction gearbox, driving gear drive yaw reduction gearbox speed end by yaw motor, yaw reduction gearbox low speed end
Connection driving gear is engaged with yaw ring gear, drives entire wind turbine nacelle with respect to tower rotary yaw.Yaw drive system by
Multiple yaw drive compositions, every yaw drive are driven concatenated form using multi-stage planetary gear, and wherein ring gear is solid
Fixed, relatively fixed between planetary gear and planet carrier, planetary gear and planet carrier float, and level Four planet carrier connects output shaft as output
Part.
But in industry occur the failures such as yaw driving damage in batch operating unit, trip including protective switch,
The problems such as driving motor burns, the shearing of reduction gearbox broken teeth, reduction gearbox bolt, drive shaft fatigue fracture etc., brings biggish warp
Ji loss.The reason of yaw drive system damages is understood for research, needs clearly to know the driving of each drive system
Torque, analysis-driven load distribution characteristic, and then study loading conditions of the drive system under various operating conditions, analysis system
The basic reason of service life reduction.The method of general measure axis torque is to be installed at driving gear by commercialized torque sensor
Between reduction gearbox, or torque sensor is installed additional in speed end and monitors high speed shaft torque, be then extrapolated to slow-speed shaft torque, this
Both of which existing defects, the first can seriously change live tooling, complicated for operation, costly, substantially can not be real at the scene
It applies；Also it may require that in every installation tooling for second, and since transmission efficiency is unknown and the influence in transmitting dead zone, it is quasi- to influence measurement
True property.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology and deficiency, proposes a kind of completely new Wind turbines yaw
Drive system Even load test verification method, fully considers yaw drive system design feature, by yaw reduction gearbox planetary system
Torsion-testing sensor is installed in the structure before final stage ring gear and support underframe, passes through measurement structure outer wall torsional distortion
With the calibration relationship of strain deformation amount and torque, extrapolation yaw driving torque is different from traditional test and installs torque sensor additional
Method, directly converts sensor itself for yaw drive system, and integrated testability method is solved without changing original system structure
Common detection methods change drive system larger, and workload is heavy and gear train efficiency is unknown causes measured deviation etc. to lack
It falls into.
To achieve the above object, technical solution provided by the present invention are as follows: a kind of Wind turbines yaw drive system carries
Test verification method, comprising the following steps:
1) installation torsion-testing sensor is outside the supporing shell that the reduction gearbox of yaw drive system is connect with underframe of wind driven generator
On wall, then using strain signal measurement method any in 1/4 bridge, half-bridge, full-bridge, strain signal access multichannel is answered
Become Acquisition Instrument, be while measuring all yaw drivings load characteristic, torsion-testing sensor need to be installed after the same method extremely
On the supporing shell outer wall that the reduction gearbox of all yaw drive systems is connect with underframe of wind driven generator；
2) since measurement shell is casting, each thickness of shell is all inconsistent, need to demarcate to strain signal；Calibration
When, it needs first temporarily to remove the high speed shaft driving motor of yaw drive system, mark is installed on the high speed shaft of yaw drive system
One end of the torque sensor set, the torque sensor connects high speed shaft, and the other end is connected with lever；
3) after calibration installs, test macro, which is powered, to be measured, and records the torsion-testing sensing under corresponding yaw drive system
The strain signal and the torque sensor signal on high speed shaft of device, while the yaw brake system of yaw drive system being required to keep
Then holding state passes through manually in lever-loading, loading method is gradual reinforcing, then gradually subtracts power again, and circulation adds
Carry release load 2-3 times；
4) by the torque sensor signal obtained, according to the slow-speed shaft of the gear ratio calculation yaw drive system of reduction gearbox
Then the strain signal of torsion-testing sensor and the slow-speed shaft torque of reckoning are established linear fit relationship, are marked with this by torque
Slow-speed shaft torque can be converted to for the strain signal time series data of torsion-testing sensor by determining relationship；
5) after calibration finishes a yaw drive system, high speed shaft driving motor is resetted, that is, pacified by torque sensor of dismantling
Reinstall original position, then again to measurement in need yaw drive system torsion-testing sensor according to above-mentioned signal
Calibration process is demarcated；
6) calibration is completed, and after establishing the calibration relationship of all torsion-testing sensors, restores yaw drive system assembly, will
Calibration relationship is input to multichannel strain acquirement instrument, and carries out zero balance to signal, after the completion of configuration, starts real-time measurement；
7) it is tested according to operating condition needed for experiment, the slow-speed shaft torque of all yaw drive systems of real-time measurement, and
Data are saved, are used for carrying specificity analysis.
Compared with prior art, the present invention have the following advantages that with the utility model has the advantages that
1, the method for the present invention test is convenient, and short implementation cycle, test macro is simple, low to operation technological requirement.
2, former mechanical structure is not changed, and guarantee does not change system performance.
3, load transfer path is short, and test result is accurate and reliable, being capable of accurate evaluation driving gear torque real-time characteristic.
4, low in cost without increasing the torque sensors of multiple valuableness.
Detailed description of the invention
Fig. 1 is yaw driving measuring principle figure.
Fig. 2 is yaw driving measuring signal calibration principle figure.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Separate unit yaw drive system and test can be reduced to shown in Fig. 1, under nominal situation environment, high speed shaft driving motor 1
Drive series of rows planetary reduction gearbox 2 that torque drive is driven gear 4 to slow-speed shaft, to drive entire blower head with respect to tower
Ring gear 3 is yawed, and 8 be high speed shaft driving torque in figure.
As shown in Fig. 2, Wind turbines yaw drive system Even load test verification method provided by the present embodiment, including with
Lower step:
1) supporing shell that installation torsion-testing sensor 6 is connect in the reduction gearbox 2 of yaw drive system with underframe of wind driven generator
On outer wall, then using strain signal measurement method any in 1/4 bridge, half-bridge, full-bridge, strain signal is accessed into multichannel
Strain acquirement instrument 9 is while measuring all yaw drivings load characteristic, need to install torsion-testing sensor after the same method
On the 6 supporing shell outer walls being connect to the reduction gearbox 2 of all yaw drive systems with underframe of wind driven generator.
2) since measurement shell is casting, each thickness of shell is all inconsistent, need to demarcate to strain signal；Calibration
When, it needs first temporarily to remove the high speed shaft driving motor 1 of yaw drive system, mark is installed on the high speed shaft of yaw drive system
One end of the torque sensor 10 set, the torque sensor 10 connects high speed shaft, and the other end is connected with lever 11.
3) after calibration installs, test macro, which is powered, to be measured, and records the torsion-testing sensing under corresponding yaw drive system
The strain signal of device 6 and 10 signal of torque sensor on high speed shaft, while requiring the yaw brake system 5 of yaw drive system
Holding state is kept, then by manually loading in lever 11, loading method is gradual reinforcing, then gradually subtract power again,
CYCLIC LOADING discharges load 2-3 times.
4) by 10 signal of torque sensor obtained, according to the low of the gear ratio calculation yaw drive system of reduction gearbox 2
Then the strain signal of torsion-testing sensor 6 and the slow-speed shaft torque 7 of reckoning are established linear fit relationship by fast axis torque 7,
The strain signal time series data of torsion-testing sensor 6 can be converted to slow-speed shaft torque with this calibration relationship.
5) after calibration finishes a yaw drive system, torque sensor 10 of dismantling resets high speed shaft driving motor 1,
Original position is installed back, then again to measurement in need yaw drive system torsion-testing sensor 6 according to upper
Signal scaling process is stated to be demarcated.
6) calibration is completed, and after establishing the calibration relationship of all torsion-testing sensors 6, restores yaw drive system assembly,
Calibration relationship is input to multichannel strain acquirement instrument 9, and zero balance is carried out to signal, after the completion of configuration, starts and surveys in real time
Amount.
7) it is tested according to operating condition needed for experiment, the slow-speed shaft torque 7 of all yaw drive systems of real-time measurement, and
Data are saved, are used for carrying specificity analysis.
Embodiment described above is only the preferred embodiments of the invention, and but not intended to limit the scope of the present invention, therefore
All shapes according to the present invention change made by principle, should all be included within the scope of protection of the present invention.
Claims (1)
1. a kind of Wind turbines yaw drive system Even load test verification method, which comprises the following steps:
1) torsion-testing sensor is installed on the supporing shell outer wall that the reduction gearbox of yaw drive system is connect with underframe of wind driven generator,
Then using strain signal measurement method any in 1/4 bridge, half-bridge, full-bridge, strain signal access multichannel strain is adopted
Collect instrument, to measure all yaws driving load characteristic simultaneously, torsion-testing sensor need to be installed after the same method to owning
On the supporing shell outer wall that the reduction gearbox of yaw drive system is connect with underframe of wind driven generator；
2) since measurement shell is casting, each thickness of shell is all inconsistent, need to demarcate to strain signal；When calibration,
It needs first temporarily to remove the high speed shaft driving motor of yaw drive system, installs and demarcate on the high speed shaft of yaw drive system
Torque sensor, one end of the torque sensor connects high speed shaft, and the other end is connected with lever；
3) after calibration installs, test macro, which is powered, to be measured, and records the torsion-testing sensor under corresponding yaw drive system
Torque sensor signal on strain signal and high speed shaft, while the yaw brake system of yaw drive system being required to keep holding tightly
Then state gradually subtracts power, CYCLIC LOADING is released then by the way that manually in lever-loading, loading method is gradual reinforcing again
Put load 2-3 times；
4) it by the torque sensor signal obtained, is turned round according to the slow-speed shaft of the gear ratio calculation yaw drive system of reduction gearbox
Then the strain signal of torsion-testing sensor and the slow-speed shaft torque of reckoning are established linear fit relationship, are demarcated with this by square
The strain signal time series data of torsion-testing sensor can be converted to slow-speed shaft torque by relationship；
5) after calibration finishes a yaw drive system, high speed shaft driving motor is resetted, that is, installed back by torque sensor of dismantling
Position originally, then again to measurement in need yaw drive system torsion-testing sensor according to above-mentioned signal scaling
Process is demarcated；
6) calibration is completed, and after establishing the calibration relationship of all torsion-testing sensors, is restored yaw drive system assembly, will be demarcated
Relationship is input to multichannel strain acquirement instrument, and carries out zero balance to signal, after the completion of configuration, starts real-time measurement；
7) it is tested, the slow-speed shaft torque of all yaw drive systems of real-time measurement, and is saved according to operating condition needed for experiment
Data are used for carrying specificity analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230172.0A CN110082100B (en) | 2019-03-26 | 2019-03-26 | Uniform load test verification method for wind turbine yaw driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230172.0A CN110082100B (en) | 2019-03-26 | 2019-03-26 | Uniform load test verification method for wind turbine yaw driving system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110082100A true CN110082100A (en) | 2019-08-02 |
| CN110082100B CN110082100B (en) | 2021-01-26 |
Family
ID=67413585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910230172.0A Active CN110082100B (en) | 2019-03-26 | 2019-03-26 | Uniform load test verification method for wind turbine yaw driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110082100B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3885729A3 (en) * | 2020-03-24 | 2021-12-15 | Nabtesco Corporation | Torque estimation device, torque estimation method, and torque estimation program |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009116624A1 (en) * | 2008-03-21 | 2009-09-24 | シンフォニア テクノロジー株式会社 | Windmill rotation detection/management device and wind power generation system |
| GB2479415A (en) * | 2010-04-09 | 2011-10-12 | Vestas Wind Sys As | Wind Turbine Independent Blade Control Outside The Rated Output |
| WO2012164387A1 (en) * | 2011-05-27 | 2012-12-06 | Condor Wind Energy Limited | Wind turbine control system having a thrust sensor |
| CN103452756A (en) * | 2013-09-12 | 2013-12-18 | 太原重工股份有限公司 | Yaw system of wind generating set and wind generating set comprising system |
| CN106124196A (en) * | 2016-06-14 | 2016-11-16 | 广东明阳风电产业集团有限公司 | A kind of gear case of blower driving-chain efficiency experimental test procedures |
| CN106126843A (en) * | 2016-06-28 | 2016-11-16 | 广东明阳风电产业集团有限公司 | A kind of Bladed blower fan load processing system based on Matlab |
| CN106503370A (en) * | 2016-10-28 | 2017-03-15 | 许继集团有限公司 | Large-scale wind electricity set yaw choice of electrical machine method and the determination method of driving torque |
| CN208900291U (en) * | 2018-08-31 | 2019-05-24 | 河南理工大学 | A kind of blower inclination prior-warning device for above goaf |
-
2019
- 2019-03-26 CN CN201910230172.0A patent/CN110082100B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009116624A1 (en) * | 2008-03-21 | 2009-09-24 | シンフォニア テクノロジー株式会社 | Windmill rotation detection/management device and wind power generation system |
| GB2479415A (en) * | 2010-04-09 | 2011-10-12 | Vestas Wind Sys As | Wind Turbine Independent Blade Control Outside The Rated Output |
| WO2012164387A1 (en) * | 2011-05-27 | 2012-12-06 | Condor Wind Energy Limited | Wind turbine control system having a thrust sensor |
| CN103452756A (en) * | 2013-09-12 | 2013-12-18 | 太原重工股份有限公司 | Yaw system of wind generating set and wind generating set comprising system |
| CN106124196A (en) * | 2016-06-14 | 2016-11-16 | 广东明阳风电产业集团有限公司 | A kind of gear case of blower driving-chain efficiency experimental test procedures |
| CN106126843A (en) * | 2016-06-28 | 2016-11-16 | 广东明阳风电产业集团有限公司 | A kind of Bladed blower fan load processing system based on Matlab |
| CN106503370A (en) * | 2016-10-28 | 2017-03-15 | 许继集团有限公司 | Large-scale wind electricity set yaw choice of electrical machine method and the determination method of driving torque |
| CN208900291U (en) * | 2018-08-31 | 2019-05-24 | 河南理工大学 | A kind of blower inclination prior-warning device for above goaf |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3885729A3 (en) * | 2020-03-24 | 2021-12-15 | Nabtesco Corporation | Torque estimation device, torque estimation method, and torque estimation program |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110082100B (en) | 2021-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205262736U (en) | Multistage planetary gear case combined test platform | |
| CN101923070B (en) | Testing method and device for gear destruction | |
| CN102937699B (en) | Test system for high-frequency torque ripples of distributed driving wheel hub motor | |
| CN103983454A (en) | Wind turbine generator transmission chain full-working-condition test simulation device | |
| CN106441760A (en) | Method for testing anti-loosening characteristic of low-pressure turbine wheel shaft disc connecting bolt | |
| CN112729681A (en) | Detection method and detection system for rotor field dynamic balance | |
| CN210269162U (en) | Wind power gear box test bed measurement and control system for simulating working conditions | |
| EP2302346A1 (en) | Dynamic test bench for development and trial of endothermic and electric motors, particularly for simulation of road traction | |
| CN102323058B (en) | Device and method for identifying bearing load of turbo generator set based on strain signal of rotating shaft | |
| CN111458016A (en) | Method for rapidly detecting vibration of drive axle assembly | |
| CN115790928A (en) | Torque detection device and method | |
| CN107843370B (en) | Device and method for testing running resistance of rail train | |
| CN110082100A (en) | A kind of Wind turbines yaw drive system Even load test verification method | |
| US20160283622A1 (en) | Obtaining Dynamic Properties of a Part of Wind Turbine | |
| CN202453182U (en) | Fault diagnosis device of gearbox of wind generation set | |
| CN105508146B (en) | Yaw testing system of wind generating set | |
| CN114166505A (en) | Performance test device and method for friction plate power takeoff of transmission | |
| WO2024002091A1 (en) | Full-power test platform and method for tandem double-wind-wheel wind turbine generator set | |
| CN203837912U (en) | Wind power generation set transmission chain full working condition test analog device | |
| CN103134680B (en) | Driftage bearing testing device and method | |
| CN214304181U (en) | Complete machine ground test system of wind generating set | |
| Pilas et al. | Functional prototype testing of an 8 MW wind turbine | |
| CN211740614U (en) | New energy automobile motor power assembly detects rack | |
| CN114112361A (en) | Space rotating part service life testing device and control method | |
| CN113390630A (en) | Method for testing torsional vibration frequency of wind power gear box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |