CN107630794A - Wind energy conversion system cabin thrust and foundation settlement real-time monitoring system and monitoring method - Google Patents
Wind energy conversion system cabin thrust and foundation settlement real-time monitoring system and monitoring method Download PDFInfo
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- CN107630794A CN107630794A CN201710966404.XA CN201710966404A CN107630794A CN 107630794 A CN107630794 A CN 107630794A CN 201710966404 A CN201710966404 A CN 201710966404A CN 107630794 A CN107630794 A CN 107630794A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The present invention relates to a kind of wind energy conversion system cabin thrust and foundation settlement real-time monitoring system and monitoring method, at least one GNSS antenna is installed on every Fans, one GNSS receiver, base station near blower fan can be more Fans in wind field while offer is accurately positioned required differential data, the I＆M of whole system is simple and convenient, can also be adapted to the wind field of big installed capacity；Monitoring method is realized by measuring the displacement that cabin occurs, and in the case of blower fan is less by wind load, can also be changed by the elevation and horizontal displacement for measuring cabin, whether monitoring basis occurs sedimentation or differential settlement；Traditional pseudo range difference technology is replaced by RTK technologies, the positioning precision of cabin can be brought up to a centimetre rank, because the settling amount of blower foundation is different from displacement of the cabin after by wind load, typically in a centimetre rank, measurement accuracy reaches Centimeter Level to realize that detection sedimentation provides reliable guarantee, and also high frequency monitors displacement to safeguards system in real time for the application of RTK technologies.
Description
Technical field
The present invention relates to a kind of wind power technology, more particularly to a kind of wind energy conversion system cabin thrust monitors in real time with foundation settlement is
System and monitoring method.
Background technology
The load that wind energy conversion system critical component can be born is limited, and wind energy conversion system tower height can reach more than hundred meters, work as wind
By after the thrust of wind, nacelle position can shift power machine, if wind-force it is excessive blade broken, tower may be caused to topple, wind
The major accidents such as machine driving-chain destruction, so wind load thrust is very big on the influence of wind energy conversion system service life.When wind energy conversion system is with using
Between increase, the torque that blower fan tower barrel bottom is constantly got off by nacelle atop thrust transmission, plus wind field geology change, wind
The basis of power machine may settle, and big sedimentation or differential settlement can cause the tower of wind energy conversion system to tilt or even occur
Collapse.To sum up, thrust, foundation settlement are extremely important suffered by monitoring machine freight space.
The scheme of existing monitoring blower fan stand under load, generally by tower top, bottom of towe, root of blade, blade belly, main shaft
Foil gauge is pasted, to measure the wind load that blower fan is subject to.This method has high requirements to the processing quality for pasting foil gauge,
Mount point is more so not convenient enough, and as the increase of foil gauge usage time, stress monitoring data are likely to occur drift
Phenomenon, the life-span with respect to foil gauge for the blower fan typically vicennial life-span is very limited.Wind field often has an area of tens kilometers,
Tens of Fans have been established, per Fans in multiple positions installation foil gauge and replacing new film, it is big so to do maintenance cost.It is existing
The scheme of blower foundation sedimentation is monitored, level meter sensor is installed usually on blower foundation and chronically observed, and then
Obtain the slope on basis.This method accumulates the long period due to needing, and real-time is poor.So reliable design is convenient
Blower fan thrust and the scheme of foundation settlement real time on-line monitoring are necessary.
The content of the invention
The present invention be directed to the problem of thrust, Foundation Settlement Monitor are present suffered by cabin, it is proposed that a kind of wind energy conversion system cabin
Thrust and foundation settlement real-time monitoring system and monitoring method, monitor cabin and tower barrel base displacement in real time.
The technical scheme is that：A kind of wind energy conversion system cabin thrust and foundation settlement real-time monitoring system, tower one end
It is fixed on ground, the accumbency of tower upper end has the wind energy conversion system cabin that can be gone off course, and wind energy conversion system cabin front end is kuppe and inside
Wheel hub, blade be fixed on kuppe parcel wheel hub on, GNSS receiver is connected simultaneously with controller by controller data line
It is all placed in wind energy conversion system cabin, GNSS receiver connects GNSS antenna by GNSS antenna transmission line, and GNSS antenna is placed in wind-force
Top outside the engine room cover of machine machine, GNSS antenna receive the satellite radio telecommunications that empty multi-satellite disposed thereon is sent
Number, and satellite radio signal being transferred to GNSS receiver, base station receives the radio signal that satellite transmission comes, and by RTK
Differential signal is by wired or wireless network transmissions to GNSS receiver.
The monitoring method of the wind energy conversion system cabin thrust and Foundation Settlement Monitor system, including wind energy conversion system cabin wind load thrust
Monitoring and settlement monitoring in real time,
Wind energy conversion system cabin wind load thrust monitors in real time：
When thrust is passed to cabin by blade by the thrust of wind, blade by wheel hub, thrust is passed to atop a tower by cabin,
Because tower has tens meters of even more than 100 meters of height, atop a towers to be occured bending and deformation after by thrust, cause to be located at tower
The cabin at top is subjected to displacement, displacement by the position of GNSS antenna at that time with it is preceding when by GNSS antenna during small wind load
Positional information makes the difference acquisition, and the cabin of blower fan can regard a quality spring-damp system as, and equation of motion is：
Mq''+Cq'+Kq=F
Wherein q is displacement, and q ' is that the derivative of displacement is speed, and q'' is that the second derivative of displacement is acceleration, and M is cabin quality,
C is cabin damped coefficient, and K is cabin coefficient of elasticity, and F is the wind load thrust that cabin is subject to；
Settlement monitoring：
When wind energy conversion system comes into operation, in small wind weather, GNSS monitorings are carried out to nacelle position, monitoring is obtained by wind load hour
The initial position message of GNSS antenna, preservation are used as reference position signal in the controller,
In small wind weather, monitor the horizontal coordinate of GNSS antenna and the initial position message of elevation coordinate and GNSS antenna is carried out pair
Than illustrating that the ground of blower fan occurs settling or differential settlement if any difference.
The beneficial effects of the present invention are：Wind energy conversion system cabin thrust of the present invention and foundation settlement real-time monitoring system and monitoring
Method, installs at least one GNSS antenna on every Fans, a GNSS receiver, and the base station near blower fan can be wind field
Interior more Fans provide and are accurately positioned required differential data simultaneously, and the I＆M of whole system is simple and convenient, also can
It is adapted to the wind field of big installed capacity；Monitoring method realized by measuring the displacement that cabin occurs, while can also detection blower fan tower
The displacement on top, in the case of blower fan is less by wind load, it can also be monitored by the change of the gentle elevation of the engine room water measured
Whether basis occurs sedimentation or differential settlement；, can be with as a result of RTK technologies, and unconventional pseudo range difference technology
The positioning precision of cabin is brought up into a centimetre rank, because the settling amount of blower foundation is different from displacement of the cabin after by wind load
Amount, for the numerical value of sedimentation typically in a centimetre rank, measurement accuracy reaches Centimeter Level to realize that detection sedimentation provides reliable guarantee.Separately
Outside, traditional foil gauge or direction sensor measurement are different from, this method can monitor displacement by high frequency online, be in real time wind
The controller of machine provides displacement information.
Brief description of the drawings
Fig. 1 is wind energy conversion system cabin thrust of the present invention and foundation settlement real-time monitoring system structural representation.
Embodiment
Wind energy conversion system cabin thrust as shown in Figure 1 and foundation settlement real-time monitoring system structural representation, the one end of tower 3 is fixed
On basis 4, the upper end accumbency of tower 3 has a wind energy conversion system cabin 10 that can be gone off course, and the front end of wind energy conversion system cabin 10 is kuppe and interior
The wheel hub 11 in portion, blade 2 are fixed on the wheel hub 11 of kuppe parcel, and GNSS receiver 5 and controller 6 pass through controller data
Line 16 is connected and is all placed in wind energy conversion system cabin 10, and GNSS receiver 5 connects GNSS antenna 7 by GNSS antenna transmission line 15,
GNSS antenna 7 is placed in the top of the engine room cover 12 of wind energy conversion system cabin 10, and GNSS antenna 7 is away from blade 2 to avoid GNSS antenna 7 from receiving
Satellite-signal 13 is blocked and disturbed, and base station 8 receives satellite 9 and transmits the radio signal of coming, and RTK differential signals 14 are led to
Wired or wireless network transmissions are crossed to GNSS receiver 5,17 for the direction of wind to illustrate.
The top GNSS antenna of engine room cover 12 receives empty multi-satellite disposed thereon（Defended including gps satellite, the Big Dipper
Star, GLONASS satellite, Galileo satellite）The satellite radio signal sent, and satellite radio signal is transferred to GNSS
Receiver.Base station near blower fan has been subjected to exploration and has obtained the accurately positional information of base station, base station received bit in advance
The satellite-signal that multi-satellite in base station overhead is sent obtains the observation position information of base station, because GNSS is measured by multi-party
The influence in face such as ionosphere variation, the variation of atmosphere convection layer, satellite clock difference etc., cause measurement to have larger error.Base station can incite somebody to action
Base station sight positional information obtains real-time differential correcting information compared with known base station elaborate position information.Base station passes through
Wirelessly or non-wirelessly data transmission set passes to differential correcting information the GNSS receiver on blower fan.Except installed in wind
Base station near machine can provide differential correcting information, and some location-based services business can also provide differential correcting signal, position clothes
Business business uses virtual reference station technology.GNSS receiver obtains blower fan satellite-signal by GNSS antenna, according in satellite-signal
Satellite position information and wireless radio transmission temporal information, obtain the measured value of the position of GNSS antenna in cabin.GNSS connects
The real time differential correcting information that receipts machine receives base station simultaneously or reference station transmits, by differential correcting information in cabin
The measured value of position of GNSS antenna be modified.Revised GNSS antenna positional information is calculated in GNSS receiver
Afterwards, GNSS antenna positional information is transmitted to the controller of blower fan by controller data line.
In small wind weather, GNSS monitorings are carried out to nacelle position, monitoring is obtained in the position of the GNSS antenna by wind load hour
Confidence ceases, and preserves in the controller（Small wind monitoring record initial position demarcation is just carried out after blower fan installation debugging）.Work as blade
By the thrust of wind, thrust is passed to cabin by blade by wheel hub, and thrust is passed to atop a tower by cabin, because tower has
Tens meters of even more than 100 meters of height, atop a towers can occur bending and deformation after by thrust, cause the cabin positioned at atop a tower
It is subjected to displacement, the position that displacement can be by GNSS antenna at that time makes the difference with the GNSS antenna positional information by wind load hour
Obtain.The cabin of blower fan can regard a quality spring-damp system as, and equation of motion is：
Mq''+Cq'+Kq=F
Wherein q is displacement, and q ' is that the derivative of displacement is speed, and q'' is that the second derivative of displacement is acceleration, and M is cabin matter
Amount, C are cabin damped coefficient, and K is cabin coefficient of elasticity, and F is the wind load thrust that cabin is subject to.Can be with by the displacement of cabin
Wind load thrust suffered by the cabin of calculation.
In small wind weather, cabin is influenceed very little by wind load thrust.If the basis of blower fan does not settle, in cabin
Elevation in the position of GNSS antenna will not change.If differential settlement do not occur for the basis of blower fan, the GNSS in cabin
Horizontal coordinate in the position of antenna will not change., whereas if in small wind weather, the height of the antenna of monitoring control devices to GNSS
Journey or horizontal coordinate change, then illustrate that the basis of blower fan occurs settling or differential settlement.
Claims (2)
1. a kind of wind energy conversion system cabin thrust and foundation settlement real-time monitoring system, it is characterised in that tower one end is fixed on ground
On, the accumbency of tower upper end has a wind energy conversion system cabin that can be gone off course, and wind energy conversion system cabin front end is kuppe and the wheel hub of inside, blade
It is fixed on the wheel hub of kuppe parcel, GNSS receiver is connected by controller data line with controller and is all placed in wind energy conversion system
In cabin, GNSS receiver connects GNSS antenna by GNSS antenna transmission line, and GNSS antenna is placed in the engine room cover of wind energy conversion system machine
Outer top, GNSS antenna receive the satellite radio signal that empty multi-satellite disposed thereon is sent, and by satellite without
Line electric signal is transferred to GNSS receiver, and base station receives the radio signal that satellite transmission comes, and by RTK differential signals by having
Line or wireless network transmissions are to GNSS receiver.
2. wind energy conversion system cabin thrust and the monitoring method of foundation settlement real-time monitoring system according to claim 1, its feature
It is, including wind energy conversion system cabin wind load thrust monitors in real time and settlement monitoring,
Wind energy conversion system cabin wind load thrust monitors in real time：
When thrust is passed to cabin by blade by the thrust of wind, blade by wheel hub, thrust is passed to atop a tower by cabin,
Because tower has tens meters of even more than 100 meters of height, atop a towers to be occured bending and deformation after by thrust, cause to be located at tower
The cabin at top is subjected to displacement, displacement by the position of GNSS antenna at that time with it is preceding when by GNSS antenna during small wind load
Positional information makes the difference acquisition, and the cabin of blower fan can regard a quality spring-damp system as, and equation of motion is：
Mq''+Cq'+Kq=F
Wherein q is displacement, and q ' is that the derivative of displacement is speed, and q'' is that the second derivative of displacement is acceleration, and M is cabin quality,
C is cabin damped coefficient, and K is cabin coefficient of elasticity, and F is the wind load thrust that cabin is subject to；
Settlement monitoring：
When wind energy conversion system comes into operation, in small wind weather, GNSS monitorings are carried out to nacelle position, monitoring is obtained by wind load hour
The initial position message of GNSS antenna, preservation are used as reference position signal in the controller,
In small wind weather, monitor the horizontal coordinate of GNSS antenna and the initial position message of elevation coordinate and GNSS antenna is carried out pair
Than illustrating that the ground of blower fan occurs settling or differential settlement if any difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710966404.XA CN107630794A (en) | 2017-10-17 | 2017-10-17 | Wind energy conversion system cabin thrust and foundation settlement real-time monitoring system and monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710966404.XA CN107630794A (en) | 2017-10-17 | 2017-10-17 | Wind energy conversion system cabin thrust and foundation settlement real-time monitoring system and monitoring method |
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| CN107630794A true CN107630794A (en) | 2018-01-26 |
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| CN201710966404.XA Pending CN107630794A (en) | 2017-10-17 | 2017-10-17 | Wind energy conversion system cabin thrust and foundation settlement real-time monitoring system and monitoring method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061681A (en) * | 2018-08-16 | 2018-12-21 | 陕西省地质环境监测总站 | A kind of geologic shifts monitoring device, method and system |
| CN109268213A (en) * | 2018-08-22 | 2019-01-25 | 明阳智慧能源集团股份公司 | A kind of wind power generating set load on-line monitoring and active load shedding control method |
| CN110500238A (en) * | 2018-05-17 | 2019-11-26 | 北京金风科创风电设备有限公司 | Method and device for determining vibration displacement of tower top of wind generating set |
| CN110748461A (en) * | 2019-10-21 | 2020-02-04 | 明阳智慧能源集团股份公司 | Cabin displacement monitoring method of wind generating set |
| CN112130184A (en) * | 2020-09-01 | 2020-12-25 | 浙江运达风电股份有限公司 | Method for calculating low-frequency vibration displacement of engine room of wind turbine generator |
| WO2021121506A1 (en) * | 2019-12-20 | 2021-06-24 | Vestas Wind Systems A/S | Method of determining orientation of a nacelle |
| CN113048025A (en) * | 2019-12-27 | 2021-06-29 | 新疆金风科技股份有限公司 | State monitoring system and method for wind generating set |
| CN113464379A (en) * | 2021-07-19 | 2021-10-01 | 陕西中科启航科技有限公司 | Floating type offshore wind turbine generator set operation state monitoring method |
| CN113482862A (en) * | 2021-07-07 | 2021-10-08 | 陕西中科启航科技有限公司 | Wind turbine generator running state monitoring method and system |
| US11199175B1 (en) | 2020-11-09 | 2021-12-14 | General Electric Company | Method and system for determining and tracking the top pivot point of a wind turbine tower |
| CN114251239A (en) * | 2022-03-01 | 2022-03-29 | 湖南联智科技股份有限公司 | Large-scale wind driven generator tower drum swing displacement track calculation method |
| CN115076049A (en) * | 2022-07-04 | 2022-09-20 | 无锡海纳智能科技有限公司 | Method and device for determining yaw angle of fan, storage medium and electronic equipment |
| US11536250B1 (en) | 2021-08-16 | 2022-12-27 | General Electric Company | System and method for controlling a wind turbine |
| US11703033B2 (en) | 2021-04-13 | 2023-07-18 | General Electric Company | Method and system for determining yaw heading of a wind turbine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269125A (en) * | 2011-07-06 | 2011-12-07 | 东南大学 | Design method for robust variable pitch controller of wind-driven generator used at wind speed of higher than rated wind speed |
| CN104236526A (en) * | 2014-10-10 | 2014-12-24 | 国家电网公司 | Monitoring device for inclining, sinking and horizontal displacement of four-antennae electric transmission line tower frame |
| CN204177382U (en) * | 2014-10-10 | 2015-02-25 | 国家电网公司 | A kind of four antenna transmission line tower tilt, sink and horizontal displacement monitoring device |
| CN204177968U (en) * | 2014-10-10 | 2015-02-25 | 国家电网公司 | A kind of double antenna transmission line tower tilts, sinks and horizontal displacement monitoring device |
| CN204613689U (en) * | 2015-05-29 | 2015-09-02 | 中水银星科技（北京）有限公司 | Monitoring System for Dam Safety |
| CN105370506A (en) * | 2015-11-16 | 2016-03-02 | 华北电力大学 | Device for monitoring inclination and settlement of tower of wind generation set |
| CN105626389A (en) * | 2015-12-28 | 2016-06-01 | 北京金风科创风电设备有限公司 | System and method for monitoring tower state of wind generating set |
| CN106224174A (en) * | 2016-08-22 | 2016-12-14 | 内蒙古工业大学 | Wind energy conversion system many field parameters synchronous monitoring system |
| CN106568415A (en) * | 2016-11-10 | 2017-04-19 | 国家电网公司 | Monitoring system and monitoring method for settlement of wind-power tower foundation |
| CN206340149U (en) * | 2016-11-18 | 2017-07-18 | 上海海积信息科技股份有限公司 | Building displacement sedimentation monitoring system |
-
2017
- 2017-10-17 CN CN201710966404.XA patent/CN107630794A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269125A (en) * | 2011-07-06 | 2011-12-07 | 东南大学 | Design method for robust variable pitch controller of wind-driven generator used at wind speed of higher than rated wind speed |
| CN104236526A (en) * | 2014-10-10 | 2014-12-24 | 国家电网公司 | Monitoring device for inclining, sinking and horizontal displacement of four-antennae electric transmission line tower frame |
| CN204177382U (en) * | 2014-10-10 | 2015-02-25 | 国家电网公司 | A kind of four antenna transmission line tower tilt, sink and horizontal displacement monitoring device |
| CN204177968U (en) * | 2014-10-10 | 2015-02-25 | 国家电网公司 | A kind of double antenna transmission line tower tilts, sinks and horizontal displacement monitoring device |
| CN204613689U (en) * | 2015-05-29 | 2015-09-02 | 中水银星科技（北京）有限公司 | Monitoring System for Dam Safety |
| CN105370506A (en) * | 2015-11-16 | 2016-03-02 | 华北电力大学 | Device for monitoring inclination and settlement of tower of wind generation set |
| CN105626389A (en) * | 2015-12-28 | 2016-06-01 | 北京金风科创风电设备有限公司 | System and method for monitoring tower state of wind generating set |
| CN106224174A (en) * | 2016-08-22 | 2016-12-14 | 内蒙古工业大学 | Wind energy conversion system many field parameters synchronous monitoring system |
| CN106568415A (en) * | 2016-11-10 | 2017-04-19 | 国家电网公司 | Monitoring system and monitoring method for settlement of wind-power tower foundation |
| CN206340149U (en) * | 2016-11-18 | 2017-07-18 | 上海海积信息科技股份有限公司 | Building displacement sedimentation monitoring system |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500238A (en) * | 2018-05-17 | 2019-11-26 | 北京金风科创风电设备有限公司 | Method and device for determining vibration displacement of tower top of wind generating set |
| CN110500238B (en) * | 2018-05-17 | 2020-06-19 | 北京金风科创风电设备有限公司 | Method and device for determining vibration displacement of tower top of wind generating set |
| CN109061681A (en) * | 2018-08-16 | 2018-12-21 | 陕西省地质环境监测总站 | A kind of geologic shifts monitoring device, method and system |
| CN109268213A (en) * | 2018-08-22 | 2019-01-25 | 明阳智慧能源集团股份公司 | A kind of wind power generating set load on-line monitoring and active load shedding control method |
| CN110748461A (en) * | 2019-10-21 | 2020-02-04 | 明阳智慧能源集团股份公司 | Cabin displacement monitoring method of wind generating set |
| WO2021121506A1 (en) * | 2019-12-20 | 2021-06-24 | Vestas Wind Systems A/S | Method of determining orientation of a nacelle |
| US11965485B2 (en) | 2019-12-20 | 2024-04-23 | Vestas Wind Systems A/S | Method of determining orientation of a nacelle |
| US11952983B2 (en) | 2019-12-20 | 2024-04-09 | Vestas Wind Systems A/S | Method of determining orientation of a nacelle |
| CN113048025A (en) * | 2019-12-27 | 2021-06-29 | 新疆金风科技股份有限公司 | State monitoring system and method for wind generating set |
| CN112130184A (en) * | 2020-09-01 | 2020-12-25 | 浙江运达风电股份有限公司 | Method for calculating low-frequency vibration displacement of engine room of wind turbine generator |
| CN112130184B (en) * | 2020-09-01 | 2023-10-13 | 浙江运达风电股份有限公司 | Wind turbine generator cabin low-frequency vibration displacement calculation method |
| US11199175B1 (en) | 2020-11-09 | 2021-12-14 | General Electric Company | Method and system for determining and tracking the top pivot point of a wind turbine tower |
| US11703033B2 (en) | 2021-04-13 | 2023-07-18 | General Electric Company | Method and system for determining yaw heading of a wind turbine |
| CN113482862A (en) * | 2021-07-07 | 2021-10-08 | 陕西中科启航科技有限公司 | Wind turbine generator running state monitoring method and system |
| CN113464379A (en) * | 2021-07-19 | 2021-10-01 | 陕西中科启航科技有限公司 | Floating type offshore wind turbine generator set operation state monitoring method |
| CN113464379B (en) * | 2021-07-19 | 2024-03-26 | 陕西中科启航科技有限公司 | Floating type offshore wind turbine running state monitoring method |
| US11536250B1 (en) | 2021-08-16 | 2022-12-27 | General Electric Company | System and method for controlling a wind turbine |
| CN114251239A (en) * | 2022-03-01 | 2022-03-29 | 湖南联智科技股份有限公司 | Large-scale wind driven generator tower drum swing displacement track calculation method |
| CN115076049A (en) * | 2022-07-04 | 2022-09-20 | 无锡海纳智能科技有限公司 | Method and device for determining yaw angle of fan, storage medium and electronic equipment |
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Application publication date: 20180126 |
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