CN108731957A - Pitch-controlled system experimental rig and scheme - Google Patents
Pitch-controlled system experimental rig and scheme Download PDFInfo
- Publication number
- CN108731957A CN108731957A CN201810256971.0A CN201810256971A CN108731957A CN 108731957 A CN108731957 A CN 108731957A CN 201810256971 A CN201810256971 A CN 201810256971A CN 108731957 A CN108731957 A CN 108731957A
- Authority
- CN
- China
- Prior art keywords
- pitch
- magnetic powder
- powder brake
- controlled system
- experimental rig
- 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
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
Abstract
The invention discloses a kind of pitch-controlled system experimental rig and schemes.The pitch-controlled system experimental rig includes fixed plate and magnetic powder brake, speed increaser, tension force instrument and gear in fixed plate, fixed plate is removably mounted on pitch variable bearings, gear, speed increaser and magnetic powder brake are sequentially connected, gear output shaft connects speed increaser input terminal, speed increaser output end connects magnetic powder brake, gear can be with the big flank engagement of pitch variable bearings, for transmitting rotating speed and torque, tension force instrument is arranged on magnetic powder brake, the braking moment for controlling magnetic powder brake.The invention also discloses a kind of testing programs for the pitch-controlled system experimental rig.The pitch-controlled system experimental rig and scheme of the present invention can reduce installation and test height, reduce working at height, ensure personnel safety, apparatus structure is simple, occupied ground is small, easy to operate, experimentation cost can be reduced, and there is good autgmentability, the pitch-controlled system for being suitable for various types is tested.
Description
Technical field
The present invention relates to technical field of wind power generation more particularly to a kind of pitch-controlled system experimental rig and schemes.
Background technology
Pitch-controlled system is one of core of control system of wind turbines, to aerogenerator unit safe, stabilization, efficient fortune
Row have a very important role, pitch-controlled system is installed on wheel hub, including pitch variable bearings, pitch drive, pitch control cabinet and
Battery cupboard, wherein pitch drive include pitch motor and variable pitch reduction box, and pitch-controlled system can adjust the three of generating set simultaneously
The change propeller angle of a blade also can individually be adjusted the change propeller angle of each blade.Paddle change system of wind turbines is tested
By simulation blade to the revolution load of pitch variable bearings, the driving capability of pitch motor, the bearing capacity of pitch variable bearings are tested, from
And test and assess to the performance of pitch-controlled system, determine that can pitch-controlled system be completed to act along slurry.
Fig. 6 is a kind of structural schematic diagram of the paddle change system of wind turbines testing equipment for prior art that example provides.Such as
Shown in Fig. 6, the paddle change system of wind turbines testing equipment of the prior art includes pedestal 11, tubular arm 12, steel wire rope 13, clump weight
14 and fastener, wherein the service load during testing provides with tubular arm 12 and clump weight 14.Specifically, exist
Before experiment, on the pedestal 11 by the installation of wheel hub 1, the pitch variable bearings 2 on wheel hub 1 are connect with tubular arm 12, then in tubular arm
The other end of lay winding wire ropes 13 on 12, steel wire rope 13 connects clump weight 14, connects electrical equipment, starts experiment work.First,
Start pitch motor, drive pitch variable bearings 2 and tubular arm 12 to rotate synchronously, and then raising clump weight 14, it is dynamic to complete load variable pitch
Make, during the test, by loading the clump weight 14 of different number on 13 one end of steel wire rope, to carry out different revolution load
Under the revolution test of pitch variable bearings 2, observe and record corresponding test data, complete pitch-controlled system experiment.Above-mentioned existing skill
The pitch-controlled system testing equipment of art and need at least four workers using test method used in the pitch-controlled system testing equipment
Mutual cooperation could be completed, and testing equipment is heavy and installation and dismantlement work amount are big, simultaneously because counterweight block size limits, also needs
It to be operated apart from the high position in three meters of ground, dangerous property.
Therefore, how to realize that pitch-controlled system is tested, and can guarantee safety and the convenience of experiment work, while reducing work
People's workload and reduction experimentation cost, become those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
To solve above-mentioned the technical problems existing in the prior art, the present invention provides a kind of change using easy-to-operate
Oar system experimental rig and scheme.
The invention discloses a kind of pitch-controlled system experimental rigs thus.The pitch-controlled system experimental rig is installed on pitch-controlled system
Wheel hub and pitch variable bearings on, including fixed plate and magnetic powder brake, speed increaser, tension in the fixed plate
Controller and gear, wherein:
The fixed plate is removably mounted on the pitch variable bearings;
The gear, the speed increaser and the magnetic powder brake are sequentially connected, and the gear output shaft connects the increasing
The output end of the input terminal of fast device, the speed increaser connects the magnetic powder brake;
The gear can with the big flank engagement of the pitch variable bearings, for transmitting rotating speed and torque;
The tension force instrument is arranged on the magnetic powder brake, the brake force for controlling the magnetic powder brake
Square.
Further, in the pitch-controlled system experimental rig, the fixed plate is made of steel plate cutting processing.
Further, in the pitch-controlled system experimental rig, the tension force instrument includes PID controller, described
Power controller is controlled by the braking moment that the PID controller exports the magnetic powder brake.
Further, further include cooling system in the pitch-controlled system experimental rig, the cooling system includes water
Case, water pump, radiator, quick-release connector and connector, the cooling system are connect with the magnetic powder brake, for the magnetic
Powder brake is cooled down.
In addition the invention also discloses a kind of testing program for pitch-controlled system experimental rig, the program includes:
The wheel hub and the pitch variable bearings are lifted into testing position, after stable in placement, the experimental rig is lifted
To the pitch variable bearings position;
The experimental rig is fixedly connected on the pitch variable bearings by the fixed plate;
The gear is adjusted, makes the big flank engagement of the gear and the pitch variable bearings, and back lash is less than or equal to
0.1mm;
Start pitch motor, the pitch variable bearings is driven to rotate, the gear and the speed increaser input terminal is driven to rotate;
By the accelerating function of the speed increaser, so that the speed increaser output end rotating speed is improved, promote the magnetic powders brake
Magnetic powder is formed into a loop along magnetic flux in device;
The DC power supply for connecting the magnetic powder brake makes the magnetic powder brake to the speed increaser input terminal system
It is dynamic, to generate reaction force to the pitch variable bearings;
The braking moment of the magnetic powder brake is controlled by the PID controller of the tension force instrument, changes institute
State the size for the reaction force that pitch variable bearings are born;
Pitch-controlled system operating condition is observed, and records the corresponding pitch-controlled system status number under different braking moment effects
According to.
Further, described for further including in the magnetic powders brake in the testing program of pitch-controlled system experimental rig
Before device powers on, the Inlet and outlet water water pipe of the magnetic powder brake is connect with the water tank of the cooling system.
The pitch-controlled system experimental rig of the present invention and scheme by magnetic powder brake brake in the way of replace existing machine
Tool clump weight mode of braking, can reduce the mounting height of wheel hub and pitch variable bearings, to reduce working at height, ensure operator
The personal safety of member, apparatus structure is simple, occupied ground is small, safe to use, easy to operate, can reduce worker's workload, drop
Low experimentation cost, and there is good autgmentability, the pitch-controlled system for being suitable for various type wind turbines is tested.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the present invention
Point, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute improper limitations of the present invention.Attached
In figure:
Fig. 1 is the structural schematic diagram of pitch-controlled system experimental rig provided by one embodiment of the present invention;
Fig. 2 is the assembling schematic diagram of pitch-controlled system experimental rig shown in FIG. 1, wherein also showing the wheel hub of pitch-controlled system
And pitch variable bearings;
Fig. 3 is the enlarged view in the regions S in Fig. 2;
Fig. 4 is the lifting schematic diagram of pitch-controlled system experimental rig shown in Fig. 2, wherein also showing the lifting of experimental rig
Tool;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is a kind of structural schematic diagram of the pitch-controlled system testing equipment for prior art that example provides;
Fig. 7 is the flow chart of the testing program for pitch-controlled system experimental rig shown in FIG. 1.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only of the invention
A part of the embodiment, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Below in conjunction with attached drawing, the technical solution of embodiment that the present invention will be described in detail offer.
Fig. 1 is the structural schematic diagram of pitch-controlled system experimental rig provided by one embodiment of the present invention.Fig. 2 is shown in Fig. 1
Pitch-controlled system experimental rig assembling schematic diagram, wherein also showing the wheel hub and pitch variable bearings of pitch-controlled system.Fig. 3 is Fig. 2
The enlarged view in the middle regions S.As shown in Figure 1, Figure 2 and Figure 3, the pitch-controlled system experimental rig of the embodiment is installed on pitch-controlled system
Wheel hub 1 and pitch variable bearings 2 on, including fixed plate 3 and magnetic powder brake 6 in fixed plate 3, speed increaser 5,
Power controller 7 and gear 4, wherein fixed plate 3 is removably mounted on pitch variable bearings 2, is filled to test the pitch-controlled system
It sets and is securely removably connected on pitch variable bearings 2, to complete pitch-controlled system experiment.
Specifically, gear 4, speed increaser 5 and magnetic powder brake 6 are sequentially connected, and gear 4 is arranged in the side of fixed plate 3, side
Just the big flank engagement of gear 4 and pitch variable bearings 2 when pitch-controlled system experiment is carried out, gear 4 passes through the big flank of tooth with pitch variable bearings 2
The transmission of rotating speed and torque is realized in engagement;Speed increaser 5 and magnetic powder brake 6 are arranged in the other side of fixed plate 3, gear 4 it is defeated
Shaft is connect with the input terminal of speed increaser 5, and the output end of speed increaser 5 is connect with magnetic powder brake 6, and the rotation of pitch variable bearings 2 drives
Gear 4 rotates, and gear 4 improves the rotating speed of access magnetic powder brake 6 by the accelerating function of speed increaser 5, is acted on reducing
The output torque of magnetic powder brake 6, to improve the service life of magnetic powder brake 6, while magnetic powder brake 6 is powering on
Afterwards, reaction force can be generated by being braked to speed increaser 5, and then to pitch variable bearings 2, to realize simulation blade to variable pitch
The revolution load of bearing 2.
Preferably, fixed plate 3 can be made of steel plate cutting processing.
Since the size and exciting current of the transmission torque of magnetic powder brake 6 are linear, it can pass through and change magnetic powder system
The exciting current of device 6 is moved to change torque value, and then changes the revolution load for acting on pitch variable bearings 2.Specifically, in magnetic powder system
Setting tension force instrument 7 on dynamic device 6, tension force instrument 7 is equipped with PID controller (proportional, integral-Derivating controller), by giving
Tension force instrument 7 sets moment values to control the braking moment of the output of magnetic powder brake 6, and then changes and act on pitch variable bearings 2
Revolution load;Tension force instrument 7 can be by comparing between the torque of reality output and the torque of setting of magnetic powder brake 6
Deviation carries out calculation processing by PID controller, to be modified to the torque of 6 reality output of magnetic powder brake, to realize
Deviation is minimum, response is most fast.
Further, it since magnetic powder brake 6 allows to use under continuous slippage, but with the increase of slippage time, is produced
Raw, accumulation heat is more, and then leads to 6 overall temperature rise of magnetic powder brake, in order to reduce by 6 inside of magnetic powder brake with
The temperature on surface, the service life and performance and working efficiency of raising magnetic powder brake 6 and internal magnetic powder, pitch-controlled system experiment
Device further includes cooling system 8, and cooling system 8 includes water tank, water pump, radiator, quick-release connector and connector, cooling system 8
Water tank connect with the Inlet and outlet water water pipe of magnetic powder brake 6, magnetic powder brake 6 is cooled down by water-cooling pattern.
Fig. 4 is the lifting schematic diagram of pitch-controlled system experimental rig shown in Fig. 2, wherein also showing the lifting of experimental rig
Tool.Fig. 5 is the vertical view of Fig. 4.As shown in Figure 4 and Figure 5, the pitch-controlled system experimental rig of the present embodiment can pass through hanger 9
It is directly lifted on pitch variable bearings 2 from ground with suspension hook 10, while the height of wheel hub 1 and pitch variable bearings 2 away from ground can basis
Actual demand is set, and assembly manipulation is simple and convenient, and without carrying out working at height.
The testing program of the pitch-controlled system experimental rig for the embodiment of the present invention is introduced in detail below.
Fig. 7 is the flow chart of the testing program for pitch-controlled system experimental rig shown in FIG. 1.As shown in fig. 7, for this
The testing program of the pitch-controlled system experimental rig of embodiment includes the following steps:
Wheel hub 1 and pitch variable bearings 2 are lifted into testing position, after stable in placement, experimental rig are lifted by step S11
2 position of pitch variable bearings;
Experimental rig is fixedly connected on pitch variable bearings 2 by step S12 by fixed plate 3;
Step S13 adjusts gear 4, makes the big flank engagement of gear 4 and pitch variable bearings 2, and back lash is less than or equal to
0.1mm;
Step S14 starts pitch motor, and driving pitch variable bearings 2 rotate, and band moving gear 4 and 5 input terminal of speed increaser rotate;
Step S15 makes 5 output end rotating speed of speed increaser improve, promotes magnetic powder brake 6 by the accelerating function of speed increaser 5
Interior magnetic powder is formed into a loop along magnetic flux;
Step S16 connects the DC power supply of magnetic powder brake 6, makes magnetic powder brake 6 to 5 input terminal system of speed increaser
It is dynamic, to generate reaction force to pitch variable bearings 2;
Step S17 controls the braking moment of magnetic powder brake 6 by the PID controller of tension force instrument 7, changes variable pitch
The size for the reaction force that bearing 2 is born;
Step S18 observes pitch-controlled system operating condition, and records the corresponding pitch-controlled system under different braking moment effects
Status data.
Further, above-mentioned testing program further include before magnetic powder brake 6 powers on, by magnetic powder brake 6 into
Water outlet water pipe is connect with the water tank of cooling system 8.
The pitch-controlled system experimental rig of the present invention and scheme by magnetic powder brake 6 brake in the way of replace existing machine
Tool clump weight mode of braking, can reduce the mounting height of wheel hub 1 and pitch variable bearings 2, to reduce working at height, ensure operation
The personal safety of personnel, apparatus structure is simple, occupied ground is small, safe to use, easy to operate, can reduce worker's workload,
Experimentation cost is reduced, and there is good autgmentability, the pitch-controlled system for being suitable for various type wind turbines is tested.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In addition, placement shape of "front", "rear", "left", "right", "upper", the "lower" herein to be indicated in attached drawing
State is reference.
Finally it should be noted that:Above example is only used to illustrate the technical scheme of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that:It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features;
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (6)
1. a kind of pitch-controlled system experimental rig, is installed on the wheel hub and pitch variable bearings of pitch-controlled system, which is characterized in that including solid
Fixed board and magnetic powder brake, speed increaser, tension force instrument and gear in the fixed plate, wherein:
The fixed plate is removably mounted on the pitch variable bearings;
The gear, the speed increaser and the magnetic powder brake are sequentially connected, and the gear output shaft connects the speed increaser
Input terminal, the output end of the speed increaser connects the magnetic powder brake;
The gear can with the big flank engagement of the pitch variable bearings, for transmitting rotating speed and torque;
The tension force instrument is arranged on the magnetic powder brake, the braking moment for controlling the magnetic powder brake.
2. pitch-controlled system experimental rig according to claim 1, which is characterized in that the fixed plate is steel plate cutting processing
It is made.
3. pitch-controlled system experimental rig according to claim 1, which is characterized in that the tension force instrument includes PID controls
Device processed, the tension force instrument are controlled by the braking moment that the PID controller exports the magnetic powder brake.
4. pitch-controlled system experimental rig according to any one of claim 1 to 3, which is characterized in that further include heat dissipation system
System, the cooling system include water tank, water pump, radiator, quick-release connector and connector, the cooling system and the magnetic powder system
Dynamic device connection, for being cooled down to the magnetic powder brake.
5. a kind of testing program for pitch-controlled system experimental rig according to any one of claims 1 to 4, feature exists
In the scheme includes:
The wheel hub and the pitch variable bearings are lifted into testing position, after stable in placement, the experimental rig is lifted into institute
State pitch variable bearings position;
The experimental rig is fixedly connected on the pitch variable bearings by the fixed plate;
The gear is adjusted, makes the big flank engagement of the gear and the pitch variable bearings, and back lash is less than or equal to
0.1mm;
Start pitch motor, the pitch variable bearings is driven to rotate, the gear and the speed increaser input terminal is driven to rotate;
By the accelerating function of the speed increaser, so that the speed increaser output end rotating speed is improved, promote in the magnetic powder brake
Magnetic powder is formed into a loop along magnetic flux;
The DC power supply for connecting the magnetic powder brake makes the magnetic powder brake brake the speed increaser input terminal,
To generate reaction force to the pitch variable bearings;
The braking moment that the magnetic powder brake is controlled by the PID controller of the tension force instrument, changes the change
Paddle shaft holds the size of born reaction force;
Pitch-controlled system operating condition is observed, and records the corresponding pitch-controlled system status data under different braking moment effects.
6. the testing program according to claim 5 for pitch-controlled system experimental rig, which is characterized in that the scheme is also
It is included in before the magnetic powder brake powers on, by the institute of the Inlet and outlet water water pipe of the magnetic powder brake and the cooling system
State water tank connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810256971.0A CN108731957B (en) | 2018-03-27 | 2018-03-27 | Variable pitch system test device and scheme |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810256971.0A CN108731957B (en) | 2018-03-27 | 2018-03-27 | Variable pitch system test device and scheme |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108731957A true CN108731957A (en) | 2018-11-02 |
CN108731957B CN108731957B (en) | 2021-04-06 |
Family
ID=63940534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810256971.0A Active CN108731957B (en) | 2018-03-27 | 2018-03-27 | Variable pitch system test device and scheme |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108731957B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110821758A (en) * | 2019-11-13 | 2020-02-21 | 固安华电天仁控制设备有限公司 | Wind turbine generator pitch motor braking torque online detection device and method |
Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1193501A (en) * | 1997-09-18 | 1999-04-06 | Miwa Lock Co Ltd | Door closer |
JP2008005612A (en) * | 2006-06-22 | 2008-01-10 | Nasu Denki Tekko Co Ltd | Wind power generator and rotor brake control method therefor |
CN101354313A (en) * | 2008-08-27 | 2009-01-28 | 华锐风电科技有限公司 | Method and platform for testing paddle-changing bearing in wind generating set |
CN101526407A (en) * | 2009-04-01 | 2009-09-09 | 南车株洲电力机车研究所有限公司 | Test method and device of variable-paddle bearing friction moment of wind-driven generator and application thereof |
CN101555871A (en) * | 2009-05-21 | 2009-10-14 | 中船重工(重庆)海装风电设备有限公司 | Variable pitch and variable speed wind generating set |
CN201844920U (en) * | 2010-08-26 | 2011-05-25 | 华锐风电科技(江苏)有限公司 | Test device for variable pitch bearing of wind generating set |
CN102353534A (en) * | 2011-06-29 | 2012-02-15 | 西安交通大学 | Fault simulation experiment table for step-up drive system of wind-driven generator set |
CN202210031U (en) * | 2011-08-05 | 2012-05-02 | 太原重工股份有限公司 | Test device for paddle change system of wind turbines |
CN102519720A (en) * | 2011-12-22 | 2012-06-27 | 太原重工股份有限公司 | Test unit of variable-pitch system of wind generation set |
CN202362140U (en) * | 2011-11-10 | 2012-08-01 | 北京金风科创风电设备有限公司 | Loading device of variable-pitch test system for wind turbine generator systems |
CN102759449A (en) * | 2012-07-11 | 2012-10-31 | 三峡大学 | Fault diagnosis device for transmission system of wind turbine generator and simulation method |
CN202947877U (en) * | 2012-11-22 | 2013-05-22 | 上海欧际柯特回转支承有限公司 | Fatigue testing device of wind power generator variable pitch bearing |
CN104200724A (en) * | 2013-11-27 | 2014-12-10 | 沈阳工业大学 | Large wind turbine generator variable-pitch experiment table and simulation experiment method thereof |
CN205246343U (en) * | 2015-12-16 | 2016-05-18 | 太原重工股份有限公司 | Test device for wind turbine generator system |
CN106053056A (en) * | 2016-06-03 | 2016-10-26 | 中国矿业大学 | Novel comprehensive experimental platform for fault diagnosis of wind turbine drive system |
CN205823545U (en) * | 2016-07-19 | 2016-12-21 | 沈阳华创风能有限公司 | A kind of test system of wind generating set pitch control system |
CN106246463A (en) * | 2016-07-19 | 2016-12-21 | 沈阳华创风能有限公司 | The test system of wind generating set pitch control system and appraisal procedure |
CN106469239B (en) * | 2016-08-31 | 2019-05-17 | 许继集团有限公司 | The torque of wind generating set pitch control motor determines method, selection method and device |
-
2018
- 2018-03-27 CN CN201810256971.0A patent/CN108731957B/en active Active
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1193501A (en) * | 1997-09-18 | 1999-04-06 | Miwa Lock Co Ltd | Door closer |
JP2008005612A (en) * | 2006-06-22 | 2008-01-10 | Nasu Denki Tekko Co Ltd | Wind power generator and rotor brake control method therefor |
CN101354313A (en) * | 2008-08-27 | 2009-01-28 | 华锐风电科技有限公司 | Method and platform for testing paddle-changing bearing in wind generating set |
CN101526407A (en) * | 2009-04-01 | 2009-09-09 | 南车株洲电力机车研究所有限公司 | Test method and device of variable-paddle bearing friction moment of wind-driven generator and application thereof |
CN101555871A (en) * | 2009-05-21 | 2009-10-14 | 中船重工(重庆)海装风电设备有限公司 | Variable pitch and variable speed wind generating set |
CN201844920U (en) * | 2010-08-26 | 2011-05-25 | 华锐风电科技(江苏)有限公司 | Test device for variable pitch bearing of wind generating set |
CN102353534A (en) * | 2011-06-29 | 2012-02-15 | 西安交通大学 | Fault simulation experiment table for step-up drive system of wind-driven generator set |
CN202210031U (en) * | 2011-08-05 | 2012-05-02 | 太原重工股份有限公司 | Test device for paddle change system of wind turbines |
CN202362140U (en) * | 2011-11-10 | 2012-08-01 | 北京金风科创风电设备有限公司 | Loading device of variable-pitch test system for wind turbine generator systems |
CN102519720A (en) * | 2011-12-22 | 2012-06-27 | 太原重工股份有限公司 | Test unit of variable-pitch system of wind generation set |
CN102759449A (en) * | 2012-07-11 | 2012-10-31 | 三峡大学 | Fault diagnosis device for transmission system of wind turbine generator and simulation method |
CN202947877U (en) * | 2012-11-22 | 2013-05-22 | 上海欧际柯特回转支承有限公司 | Fatigue testing device of wind power generator variable pitch bearing |
CN104200724A (en) * | 2013-11-27 | 2014-12-10 | 沈阳工业大学 | Large wind turbine generator variable-pitch experiment table and simulation experiment method thereof |
CN205246343U (en) * | 2015-12-16 | 2016-05-18 | 太原重工股份有限公司 | Test device for wind turbine generator system |
CN106053056A (en) * | 2016-06-03 | 2016-10-26 | 中国矿业大学 | Novel comprehensive experimental platform for fault diagnosis of wind turbine drive system |
CN205823545U (en) * | 2016-07-19 | 2016-12-21 | 沈阳华创风能有限公司 | A kind of test system of wind generating set pitch control system |
CN106246463A (en) * | 2016-07-19 | 2016-12-21 | 沈阳华创风能有限公司 | The test system of wind generating set pitch control system and appraisal procedure |
CN106469239B (en) * | 2016-08-31 | 2019-05-17 | 许继集团有限公司 | The torque of wind generating set pitch control motor determines method, selection method and device |
Non-Patent Citations (1)
Title |
---|
苏绍禹: "《风力发电机设计与运行维护》", 31 December 2002 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110821758A (en) * | 2019-11-13 | 2020-02-21 | 固安华电天仁控制设备有限公司 | Wind turbine generator pitch motor braking torque online detection device and method |
Also Published As
Publication number | Publication date |
---|---|
CN108731957B (en) | 2021-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101487153B1 (en) | Multiple generator wind turbine and method of operation | |
US20090312885A1 (en) | Management system for drilling rig power supply and storage system | |
CN104158375A (en) | Super-low-speed high-torque motor and crane with motor | |
US20030057703A1 (en) | Method of controlling electrical rotating machines connected to a common shaft | |
CN102198900B (en) | Backup source operation control system of energy feedback elevator | |
CN103015474B (en) | Energy-saving grab dredger | |
EP2232667A1 (en) | Method, system and device for controlling wind power plants | |
KR20130081701A (en) | Control device of wind farm, wind farm, and control method of wind farm | |
TWI632292B (en) | Wind power system | |
CN109653949A (en) | The wind generating set yaw method and system of yaw motor offer electromagnetic damping | |
CN110902556A (en) | Lifting appliance capable of adjusting air posture of wind power blade and blade mounting and dismounting method thereof | |
CN101839218A (en) | Direct-drive wind generating set | |
CN108731957A (en) | Pitch-controlled system experimental rig and scheme | |
CN202362140U (en) | Loading device of variable-pitch test system for wind turbine generator systems | |
EP2652322B1 (en) | A wind turbine and a method of operating a wind turbine | |
CN204089545U (en) | Ultra-low speed big torsional moment motor and adopt the crane of this motor | |
CN106829722A (en) | Large-scale Wind Turbines variable propeller gearbox installation tool | |
CN205634722U (en) | Afterburning system of wire rope pretension | |
CN105540471B (en) | A kind of steel wire rope pretension afterburner system | |
CN216444872U (en) | Adjusting mechanism, posture adjusting device and hoisting system | |
CN111410125B (en) | Wind driven generator and lifting method of blades thereof | |
CN204783476U (en) | Change device of wind generating set and change oar driver part | |
CN103588131B (en) | Eight-point synchronous automatic lifting maintenance platform | |
CN219587708U (en) | Wind driven generator blade replacement device based on threaded fixation | |
CN206775345U (en) | Rotor arrangement is worn for generating set |
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 |