CN106352838B - Wind turbines tower verticality off-line checking method and verticality on-line monitoring method - Google Patents
Wind turbines tower verticality off-line checking method and verticality on-line monitoring method Download PDFInfo
- Publication number
- CN106352838B CN106352838B CN201610791710.XA CN201610791710A CN106352838B CN 106352838 B CN106352838 B CN 106352838B CN 201610791710 A CN201610791710 A CN 201610791710A CN 106352838 B CN106352838 B CN 106352838B
- Authority
- CN
- China
- Prior art keywords
- tower
- line
- angle
- center
- verticality
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of Wind turbines tower verticality off-line checking methods, comprising the following steps: 1) first clockwise to equally distributed bolt number circumferential on tower top flange face；2) angle a1 formed by the line and direct north and the line at tower center of first bolt and tower door center is measured；3) angle a2 formed by the line and direct north and the line at tower center at tower center and tower door center is measured；4) angle a formed by the line and direct north and the line at tower center of first bolt and tower center is calculated；5) it is measured using flange face of the beam type inclination sensor to bolt position；6) according to the method for step 5), the flange face of at least two different bolts positions is measured；7) the tower top maximum tilt angle Angle of synthesis and the tower top of synthesis are calculated relative to due north well azimuth Dir.The invention also discloses a kind of verticality on-line monitoring methods.
Description
Technical field
The present invention relates to a kind of Wind turbines tower verticality off-line checking method and verticality on-line monitoring methods.
Background technique
The tower of Wind turbines is the load-supporting part in wind power generating set, and support is mainly played in wind power generating set and is made
With, while absorbing unit vibration.Tower subjects thrust, the load complicated and changeable such as moment of flexure and torque load, so that wind-force is sent out
In electric unit running process, what tower will appear certain amplitude the deformation such as waves and distorts；In addition, tower also suffers from material change
Change, the influence of the factors such as components failure and settlement of foundation, run-off the straight generates certain amount of deflection.The excessive inclination of tower
Deformation will affect the normal operation of wind power generating set, serious also to generate safety accident, and therefore, it is necessary to hang down to Wind turbines
Straight degree and tower are measured in real time safely.
Currently, Wind turbines tower measuring for verticality use optical level periodic measurement, it is time-consuming and laborious can not be real-time
Know the verticality information of tower.It is usually that multiple GPS receiver are installed in tower for tower morphometry, according to GPS
Measurement data draws to obtain the inclined configuration of tower, and this mode is at high cost, and tower is closed state, and GPS signal connects
It receives difficult.
Summary of the invention
It is an object of the invention to the above-mentioned insufficient and defects for the prior art, and it is vertical to provide a kind of Wind turbines tower
Off-line checking method and verticality on-line monitoring method are spent, to solve the above problems.
Technical problem solved by the invention can be realized using following technical scheme:
Wind turbines tower verticality off-line checking method, which comprises the following steps:
1) first clockwise to equally distributed bolt number circumferential on tower top flange face, it is assumed that have N number of bolt, i.e. spiral shell
Bolt number is respectively 1,2,3N；
2) folder formed by the line and direct north and the line at tower center of first bolt and tower door center is measured
Angle a1；
3) angle formed by the line and direct north and the line at tower center at tower center and tower door center is measured
a2；
4) angle formed by the line and direct north and the line at tower center of first bolt and tower center is calculated
A, a=2 × a1-a2；
5) it is measured using flange face of the beam type inclination sensor to bolt position, it is assumed that the needs being drawn into
The corresponding bolt number of the flange face of measurement is S, then on the flange face position of the bolt position of S number, the beam
Angle formed by the axis and direct north of formula inclination sensor and the line at tower center is X, wherein X=360 × S ÷ N+a-
90 °, and it is Y that beam type inclination sensor, which is measured with the angle of horizontal plane,；
6) according to the method for step 5), the flange face of therein at least two different bolts positions is measured,
Data of at least two groups about angle X and angle Y are obtained, at least two groups data are respectively (X1,Y1), (X2,
Y2)······；
7) tower top of the tower top maximum tilt angle Angle and synthesis that calculate synthesis are tilted relative to due north
Orientation Dir, by at least two groups data (X in step 6)1,Y1) and (X2,Y2) substitute into following formula (1):
Sin (Y)=sin (Angle) × cos (X-Dir), (1)
General Global Optimization Method is added using wheat quart method by above-mentioned formula (1), the tower top for calculating synthesis is maximum
The optimal solution of tilt angle Angle and the tower top of synthesis relative to due north well azimuth Dir.
In a preferred embodiment of the invention, the beam type inclination sensor is uniaxially beam type inclination sensor.
Wind turbines tower verticality on-line monitoring method, which is characterized in that including described in any of the above-described technical solution
Wind turbines tower verticality off-line checking method, in the step 7) of the Wind turbines tower verticality off-line checking method
Later, further comprising the steps of:
8) on-line monitoring sensor is provided on the inside of tower top, the line monitoring sensor is obtained according in step 7)
Synthesis tower top maximum tilt angle Angle and synthesis tower top relative to the optimal of due north well azimuth Dir
Solution is calibrated and is zeroed, and the dynamic data that the on-line monitoring sensor after zero is monitored is tower top heeling condition
Dynamic data, the tower top that the on-line monitoring sensor after zero is detected turn relative to the tilt angle of absolute vertical
After being changed to radian, tilt angle theta of the tower top relative to absolute vertical is obtained ', then the tilt angle of tower shaking amplitude
For θ=arcsin (2 × θ ' ÷ 3), wherein 1.5 radian of tilt angle theta ' <.
In a preferred embodiment of the invention, tower top deviates the horizontal distance of tower bottom centre point, i.e. tower
Rolling degree S=H × tan θ at cylinder top, wherein H is the height of tower.
Due to using technical solution as above, the present invention uses beam type inclination sensor measurement verticality and the peace of tower
Entirely, the dynamic tilt state of energy real-time and accurate measurement verticality and tower, takes timely measure and is safeguarded.The present invention, which installs, to be adjusted
Examination is convenient, and at low cost.The dynamic tilt data for the tower that the present invention obtains, by algorithm analysis may recognize that tower structure by
The problems such as damage, flange bolt loosens, and the location fix of generation problem can be positioned.The present invention, can be true by synthesis tilt angle
The inclination of positive reaction plane makes great sense the safety analysis of tower.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the top view of an embodiment of the present invention when detecting.
Fig. 2 is that beam type inclination sensor of the invention measures the status diagram for being Y with the angle of horizontal plane.
Fig. 3 is schematic diagram of the present invention when calculating tower verticality.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below into
One step illustrates the present invention.
Referring to figure 1 and figure 2, Wind turbines tower verticality off-line checking method, comprising the following steps:
1) first clockwise to equally distributed bolt number circumferential on tower top flange face 100, it is assumed that there is N number of bolt,
I.e. bolt number is respectively 1,2,3N；
2) the line L1 and direct north L2 of first bolt and 110 center of tower door and the line of tower center O are measured
Formed angle a1；
3) measure tower center O and 110 center of tower door line L3 and direct north and the line at tower center institute at
Angle a2；
4) calculate first bolt and tower center O line L4 and direct north and tower center O line L1 institute at
Angle a, a=2 × a1-a2；
5) flange face of bolt position is measured using uniaxially beam type inclination sensor 200, it is assumed that taken out
The corresponding bolt number of the flange face that the needs got measure is S, then in the flange face position of the bolt position of S number
On, uniaxially angle formed by the line L2 of the axis L5 of beam type inclination sensor 200 and direct north and tower center O is X,
Wherein X=360 × S ÷ N+a-90 °, and it is Y that uniaxially beam type inclination sensor 200, which is measured with the angle of horizontal plane,；
6) according to the method for step 5), the flange face of therein at least two different bolts positions is measured,
Data of at least two groups about angle X and angle Y are obtained, at least data are respectively (X1,Y1), (X2,Y2)······；
7) tower top of the tower top maximum tilt angle Angle and synthesis that calculate synthesis are tilted relative to due north
Orientation Dir, by at least two groups data (X in step 6)1,Y1) and (X2,Y2) substitute into following formula (1):
Sin (Y)=sin (Angle) × cos (X-Dir), (1)
General Global Optimization Method is added using wheat quart method by above-mentioned formula (1), the tower top for calculating synthesis is maximum
The optimal solution of tilt angle Angle and the tower top of synthesis relative to due north well azimuth Dir.
Wind turbines tower verticality on-line monitoring method of the invention, the Wind turbines including any of the above-described technical solution
Tower verticality off-line checking method, after the step 7) of Wind turbines tower verticality off-line checking method, further include with
Lower step:
8) on-line monitoring sensor is provided on the inside of tower top, line monitors sensor according to the conjunction obtained in step 7)
At tower top maximum tilt angle Angle and synthesis tower top relative to due north well azimuth Dir optimal solution into
Row is calibrated and is zeroed, and the dynamic data that the on-line monitoring sensor after zero is monitored is the dynamic of tower top heeling condition
Data are converted to the tower top that the on-line monitoring sensor after zero detects relative to the tilt angle of absolute vertical
After radian, obtain tilt angle theta of the tower top relative to absolute vertical ', then the tilt angle of tower shaking amplitude be θ=
Arcsin (2 × θ ' ÷ 3), wherein 1.5 radian of tilt angle theta ' <, the tilt angle of tower shaking amplitude are that θ can also be defined
The angle between line L6 and absolute vertical L7 between tower top h point and tower bottom centre 01.
Wind turbines tower verticality off-line checking method of the invention and verticality on-line monitoring method combine following each
The data that embodiment is enumerated obtain the tower top of tower top maximum tilt angle Angle and synthesis relative to due north inclination side
The optimal solution of position Dir as shown in connection with fig. 3, and is hung down by monitoring the tower top that sensor detects on-line relative to absolute
The tilt angle theta of straight line ', the tilt angle theta of tower shaking amplitude is obtained, tower top can also be obtained by S=H × tan θ
Rolling degree S, i.e., tower top deviate tower bottom centre point horizontal distance, wherein H be tower height.
Embodiment 1
According to above-mentioned steps, four groups of data are obtained respectively (0 °, -2.92 °), (90 °, 0.5 °), (180 °, 2.92 °),
The tower top of tower top maximum tilt angle Angle and synthesis can be obtained relative to due north inclination side in (270 °, -0.5 °)
The optimal solution of position Dir is respectively as follows: Angle=2.96 °, Dir=350 °, obtains tower after being scaled radian for Angle=2.96 °
Tilt angle theta of the top relative to absolute vertical ', then the tilt angle of tower shaking amplitude is θ=arcsin (2 × θ ' ÷
3)=1.97366, rolling degree S=H × tan θ of tower top, it is assumed that tower height H is 100m, then the rolling degree S=H of tower top
× tan θ=3.446m.
Embodiment 2
According to above-mentioned steps, four groups of data are obtained respectively (50 °, -1.48 °), (140 °, 2.72 °), (230 °,
1.48 °), the tower top of tower top maximum tilt angle Angle and synthesis can be obtained relative to just in (320 °, -2.72 °)
The optimal solution of northern well azimuth Dir is respectively as follows: Angle=3.1 °, Dir=348 °, obtains after being scaled radian for Angle=3.1 °
Tilt angle theta to tower top relative to absolute vertical ', then the tilt angle of tower shaking amplitude is θ=arcsin (2
× θ ' ÷ 3)=2.0607, rolling degree S=H × tan θ of tower top, it is assumed that tower height H is 100m, the then rolling of tower top
Spend S=H × tan θ=3.598m.
Embodiment 3
According to above-mentioned steps, four groups of data are obtained respectively (100 °, 1.14 °), (190 °, 3.22 °), (280 ° ,-
1.14 °), the tower top of tower top maximum tilt angle Angle and synthesis can be obtained relative to due north in (10 °, -3.22 °)
The optimal solution of well azimuth Dir is respectively as follows: Angle=3.42 °, Dir=350 °, obtains after being scaled radian for Angle=3.42 °
Tilt angle theta to tower top relative to absolute vertical ', then the tilt angle of tower shaking amplitude is θ=arcsin (2
× θ ' ÷ 3)=2.2804, rolling degree S=H × tan θ of tower top, it is assumed that tower height H is 100m, the then rolling of tower top
Spend S=H × tan θ=3.982m.
Embodiment 4
According to above-mentioned steps, four groups of data are obtained respectively (30 °, -2.9 °), (120 °, 1.04 °), (210 °, 2.9 °),
The tower top of tower top maximum tilt angle Angle and synthesis can be obtained relative to due north inclination side in (300 °, -1.04 °)
The optimal solution of position Dir is respectively as follows: Angle=3.08 °, Dir=10.3 °, obtains tower after being scaled radian for Angle=3.08 °
Tilt angle theta of the cylinder top relative to absolute vertical ', then the tilt angle of tower shaking amplitude is θ=arcsin (2 × θ '
÷ 3)=2.05392, rolling degree S=H × tan θ of tower top, it is assumed that tower height H is 100m, then the rolling degree S of tower top
=H × tan θ=3.586m.
Invention, can real-time and accurate measurement verticality and tower using beam type inclination sensor measurement verticality and the safety of tower
The dynamic tilt state of cylinder, takes timely measure and is safeguarded.Installation and debugging of the present invention are convenient, and at low cost.The present invention obtains
Tower dynamic tilt data, may recognize that tower structural damage by algorithm analysis, the problems such as flange bolt loosens, and energy
Position the location fix of generation problem.The present invention passes through synthesis tilt angle, the inclination of the real Reaction plane of energy, to the peace of tower
Complete analysis makes great sense.
The present invention is knitting golden three pool wind power plants, the good scholar wind power plant in middle Fujian, Jinjiang-shenhuwan wind power plant, Shen energy Gaoyou synergism wind-powered electricity generation
, the tower of the imperial source ring port marine wind electric field in such as east installed and used, using effect is fine, can real-time and accurate measurement verticality and
The dynamic tilt state of tower, takes timely measure and is safeguarded.Installation and debugging of the present invention are convenient, and at low cost.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. Wind turbines tower verticality off-line checking method, which comprises the following steps:
1) first clockwise to equally distributed bolt number circumferential on tower top flange face, it is assumed that have N number of bolt, i.e. bolt is compiled
Number be respectively 1,2,3N；
2) angle a1 formed by the line and direct north and the line at tower center of first bolt and tower door center is measured；
3) angle a2 formed by the line and direct north and the line at tower center at tower center and tower door center is measured；
4) angle a, a=formed by the line and direct north and the line at tower center of first bolt and tower center are calculated
2 × a1-a2, the direction for enabling direct north and the line at tower center rotate clockwise around tower center are the pros of angle value
It is the negative direction of angle value around the direction that tower center rotates counterclockwise to, the line at direct north and tower center；
5) it is measured using flange face of the beam type inclination sensor to bolt position, it is assumed that is be drawn into needs to measure
Flange face corresponding bolt number be S, then on the flange face position of the bolt position of S number, the beam type inclines
Angle formed by the axis and direct north and the line at tower center of oblique sensor is X, wherein X=360 × (S-1) ÷ N+a-
90 °+360 ° × n, n is integer, and beam type inclination sensor has directionality, when directionality is behaved towards beam type inclination sensor
It is from left to right positive direction, and it is Y that beam type inclination sensor, which is measured with the angle of horizontal plane,；
6) according to the method for step 5), the flange face of therein at least two different bolts positions is measured, is obtained
Data of at least two groups about angle X and angle Y, at least two groups data are respectively (X1,Y1), (X2,Y2)······；
7) the tower top maximum tilt angle Angle of synthesis and the tower top of synthesis are calculated relative to due north well azimuth
Dir, by at least two groups data (X in step 6)1,Y1) and (X2,Y2) substitute into following formula (1):
Sin (Y)=sin (Angle) × cos (X-Dir), (1)
General Global Optimization Method is added using wheat quart method by above-mentioned formula (1), calculates the tower top maximum inclination of synthesis
The optimal solution of angle A ngle and the tower top of synthesis relative to due north well azimuth Dir.
2. Wind turbines tower verticality off-line checking method as described in claim 1, which is characterized in that the beam type inclination
Sensor is uniaxially beam type inclination sensor.
3. Wind turbines tower verticality on-line monitoring method, which is characterized in that including any right of the claims 1 or 2
It is required that the Wind turbines tower verticality off-line checking method, in the Wind turbines tower verticality offline inspection side
It is further comprising the steps of after the step 7) of method:
8) on-line monitoring sensor is provided on the inside of tower top, the line monitoring sensor is according to the conjunction obtained in step 7)
At tower top maximum tilt angle Angle and synthesis tower top relative to due north well azimuth Dir optimal solution into
Row is calibrated and is zeroed, and the dynamic data that the on-line monitoring sensor after zero is monitored is the dynamic of tower top heeling condition
Data are converted to the tower top that the on-line monitoring sensor after zero detects relative to the tilt angle of absolute vertical
After radian, obtain tilt angle theta of the tower top relative to absolute vertical ', then the tilt angle of tower shaking amplitude be θ=
Arcsin (2 × θ ' ÷ 3), wherein 1.5 radian of tilt angle theta ' <.
4. Wind turbines tower verticality on-line monitoring method as claimed in claim 3, which is characterized in that tower top deviates
The horizontal distance of tower bottom centre point, i.e. rolling degree S=H × tan θ of tower top, wherein H is the height of tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791710.XA CN106352838B (en) | 2016-08-31 | 2016-08-31 | Wind turbines tower verticality off-line checking method and verticality on-line monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791710.XA CN106352838B (en) | 2016-08-31 | 2016-08-31 | Wind turbines tower verticality off-line checking method and verticality on-line monitoring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106352838A CN106352838A (en) | 2017-01-25 |
| CN106352838B true CN106352838B (en) | 2018-12-04 |
Family
ID=57857019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610791710.XA Active CN106352838B (en) | 2016-08-31 | 2016-08-31 | Wind turbines tower verticality off-line checking method and verticality on-line monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106352838B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248049B (en) * | 2016-08-31 | 2018-12-18 | 上海应谱科技有限公司 | Wind turbines tower foundation uneven settlement off-line checking method and on-line monitoring method |
| CN107121118B (en) * | 2017-05-31 | 2019-07-09 | 上海应谱科技有限公司 | A kind of Wind turbines tower static rigidity circle analysis method |
| CN107388992A (en) * | 2017-07-26 | 2017-11-24 | 中国电建集团西北勘测设计研究院有限公司 | A kind of towering tower measuring for verticality method based on 3 D laser scanning |
| CN109596175B (en) * | 2018-12-28 | 2021-05-07 | 深圳前海慧联科技发展有限公司 | Wind power tower cylinder slope and rock on-line monitoring system |
| CN110421269A (en) * | 2019-06-25 | 2019-11-08 | 上海柏楚电子科技股份有限公司 | A kind of scaling method measuring balance staff verticality and length |
| CN114087132B (en) * | 2021-11-15 | 2024-01-19 | 中国华能集团清洁能源技术研究院有限公司 | Positioning method for tower barrel installation |
| CN115060244B (en) * | 2022-07-25 | 2023-08-11 | 中国核工业华兴建设有限公司 | Method for checking verticality of circular exhaust tower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2441955A1 (en) * | 2010-10-18 | 2012-04-18 | Claxton Engineering Services Limited | Tower Connector |
| CN103174322A (en) * | 2013-03-19 | 2013-06-26 | 江苏龙源振华海洋工程有限公司 | Perpendicularity adjusting method of offshore wind power generation tower drum |
| CN104807444A (en) * | 2015-04-09 | 2015-07-29 | 中国大唐集团新能源股份有限公司 | Fan tower inclination measurement method |
| CN204666151U (en) * | 2015-06-13 | 2015-09-23 | 蓬莱大金海洋重工有限公司 | A kind of wind turbine tower pick-up unit |
| CN105486284A (en) * | 2015-12-31 | 2016-04-13 | 新疆金风科技股份有限公司 | Wind generating set tower perpendicularity detecting method and device |
-
2016
- 2016-08-31 CN CN201610791710.XA patent/CN106352838B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2441955A1 (en) * | 2010-10-18 | 2012-04-18 | Claxton Engineering Services Limited | Tower Connector |
| CN103174322A (en) * | 2013-03-19 | 2013-06-26 | 江苏龙源振华海洋工程有限公司 | Perpendicularity adjusting method of offshore wind power generation tower drum |
| CN104807444A (en) * | 2015-04-09 | 2015-07-29 | 中国大唐集团新能源股份有限公司 | Fan tower inclination measurement method |
| CN204666151U (en) * | 2015-06-13 | 2015-09-23 | 蓬莱大金海洋重工有限公司 | A kind of wind turbine tower pick-up unit |
| CN105486284A (en) * | 2015-12-31 | 2016-04-13 | 新疆金风科技股份有限公司 | Wind generating set tower perpendicularity detecting method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106352838A (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106352838B (en) | Wind turbines tower verticality off-line checking method and verticality on-line monitoring method | |
| US7160083B2 (en) | Method and apparatus for wind turbine rotor load control | |
| US11181099B2 (en) | Determining a wind turbine tower inclination angle | |
| CN108757343B (en) | Wind generating set and detection method, device and system for operation conditions of wind generating set | |
| CN102589512B (en) | Method, device and system for measuring skew deformation amount of tower of wind generating set | |
| US20100143128A1 (en) | Wind turbine yaw bearing determination | |
| CN207018147U (en) | Blower fan tower barrel monitoring system | |
| CN105626389B (en) | System and method for monitoring tower state of wind generating set | |
| US20170356425A1 (en) | Method and system for determining the dynamic twist of a wind turbine blade | |
| US20100090463A1 (en) | Combined environmental monitoring and power supply device | |
| CN106248049B (en) | Wind turbines tower foundation uneven settlement off-line checking method and on-line monitoring method | |
| CN104807444A (en) | Fan tower inclination measurement method | |
| CN111220123A (en) | Foundation ring inclination angle monitoring system and method | |
| CN110748461B (en) | Cabin displacement monitoring method of wind generating set | |
| CN114234912A (en) | Building slope settlement monitoring, acquisition and early warning equipment system based on Internet of things | |
| US20120313374A1 (en) | Electric generator for a wind turbine, wind turbine and method of driving a wind turbine | |
| CN104482838A (en) | Propeller blade measuring technology | |
| CN107121118B (en) | A kind of Wind turbines tower static rigidity circle analysis method | |
| CN211230714U (en) | Engine room displacement monitoring device of wind generating set | |
| CN116104713A (en) | Inclination angle measurement and rechecking method of floating wind turbine without yaw structure | |
| CN115325991A (en) | Wind turbine generator tower perpendicularity detection method and system | |
| CN112228288A (en) | System, method and device for monitoring vibration of tower drum | |
| CN204555965U (en) | The power-supply unit of blower fan tower barrel inclinometric system | |
| CN111879252A (en) | Online surveying and mapping detection device and method for storage tank body | |
| CN206192331U (en) | Safe off -line monitoring device of a wind turbine generator system foundation settlement and a tower section of thick bamboo |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 201612 302, room 18, No. 518, Xinzhuang Road, Xinqiao Town, Songjiang District, Shanghai -1 Applicant after: Shanghai Spectrum Technology Co., Ltd. Address before: 201800 room 6035, Ping Cheng Road, Juyuan New District, Jiading District, Shanghai, China, 811 Applicant before: Shanghai Spectrum Technology Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |