CN110285021A - A kind of generating set yaw drive system and method and generating set yaw system - Google Patents
A kind of generating set yaw drive system and method and generating set yaw system Download PDFInfo
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- CN110285021A CN110285021A CN201910721697.4A CN201910721697A CN110285021A CN 110285021 A CN110285021 A CN 110285021A CN 201910721697 A CN201910721697 A CN 201910721697A CN 110285021 A CN110285021 A CN 110285021A
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- generating set
- yaw
- pivoting support
- rotor
- stator
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000005284 excitation Effects 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 16
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 201000009482 yaws Diseases 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000006698 induction Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/57—Seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/60—Control system actuates through
- F05B2270/602—Control system actuates through electrical actuators
-
- 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
Abstract
The invention discloses a kind of generating set yaw drive systems, belong to generating set yaw technical field.The yaw drive system uses magneto-electric structure, including the stator and rotor being relatively fixed in pivoting support fixation member and pivoting support rotary part respectively, and the servo-actuating device of exciting current is provided for rotor, rotor rotates under the action of servo-actuating device relative to stator, and then pivoting support rotary part is driven to realize yaw maneuver relative to pivoting support fixation member.Stator and rotor are using radial arrangement.A kind of Wind turbines yaw driving method and generating set yaw system are also disclosed.The present invention utilizes magnetoelectric induction principle, realize contactless yaw maneuver, substitute existing contact gear engagement yaw drive actions, avoid damage caused by meshing part is worn in long-term work, the yawing system construction is simple, and method is easy, is hardly damaged, long service life and easy to maintain, replacement simplicity.
Description
Technical field
The present invention relates to the yaw technical field of generating set, more particularly to a kind of generating set yaw drive system and
Method and generating set yaw system.
Background technique
With the popularization and deep development of generation of electricity by new energy concept, marine tidal-current energy and wind power generating set have become new energy neck
The mainstream power generator in domain.The driving source run using oceanic tide and wind energy as unit, the variability with flow direction.
Current generating set mostly uses yaw system to adjust unit orientation, to capture most driving energies.
Current generating set yaw system, is all made of mechanical structure, that is, use drive motor and deceleration tooth case as
Power source, the gear of deceleration tooth case front end are engaged with gear ring corresponding in unit fixation member, realize power source drive generator
Group cabin integrally yaws.But there are the following problems for current marine tidal-current energy and wind driven generator unit yaw system:
(1) since running environment is severe, unit is in the process of running by the comprehensive of a variety of uncertain factors and environmental condition
Cooperation is used, and mechanical structure is difficult to realize hermetically sealed in addition, the problems such as component corrosion, accelerated wear test easily occurs.
(2) due to using gear engagement system, there is contact friction, be easy to appear abrasion and knot in long-time service in each between cog
Structure damage, and the factors such as machining accuracy due to tooth form and technique also result in gear engagement contact site and break down.This
Outside, for the unit of different model, yawing velocity and driving torque are required to have differences, needs to be designed according to different type of machines each
The deceleration tooth case of kind speed ratio, drive motor will also be redesigned according to required torque and revolving speed, heavy workload, the design cycle
It is long.
(3) the gear engagement system needs that lubricating grease is periodically added, and is equipped with automatic lubricating system.Since entirety can not be close
Envelope, lubricating grease will receive environment influence, easily appears on the flank of tooth and be unevenly distributed, fail, and gear ring is caused to owe lubrication and damage.Lubrication
Pump also needs to further increase the complexity of system with stand-by power source and running state monitoring.
(4) mechanically yaw system is assembled with unit using integrated at present, once there is deformation, break in yawing gear ring and tooth
Failure is split, needs for entire cabin to be transferred from running environment progress part dismantling, replacement could be completed, operation difficulty is big, process is multiple
It is miscellaneous, time-consuming and replacement cost is very high, and unit is caused to shut down for a long time, largely effect on generated energy.
It can be seen that above-mentioned existing generating set yaw drive system is upper in structure, method and use, it is clear that there are still
There is inconvenient and defect, and needs to be further improved.How a kind of new generating set yaw drive system and side are founded
Method and generating set yaw system make it thoroughly change traditional mechanical gear engagement yawing mode, using contactless inclined
Boat driving method, structure is simple, is hardly damaged, and becoming current industry pole needs improved target.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of generating set yaw drive system, it is made thoroughly to change tradition
Mechanical gear engage yawing mode, using contactless yaw driving method, structure is simple, is hardly damaged, to overcome
The deficiency of existing generating set yaw drive system.
In order to solve the above technical problems, the present invention provides a kind of generating set yaw drive system, yaw driving system
System uses magneto-electric yaw drive system, and the magneto-electric yaw drive system includes being relatively fixed to generating set revolution respectively
Supporting and fixing component and stator and rotor on pivoting support rotary part, and the servo of exciting current is provided for the rotor
Driving mechanism, the rotor rotate under the action of the servo-actuating device relative to the stator, and then drive hair
Motor group pivoting support rotary part realizes yaw maneuver relative to pivoting support fixation member.
It is further improved, the stator and rotor use radial arrangement to be fixed on generating set pivoting support fixed part
Between part and pivoting support rotary part.
It is further improved, the stator is formed using silicon steel plate stacking, and the stator is opened on the side of the rotor
Equipped with multiple equally distributed through-holes, magnet steel is fixedly embedded in the through-hole.
It is further improved, the rotor is formed using silicon steel plate stacking, and the rotor is opened on the side of the stator
Equipped with multiple equally distributed groove bodies, excitation winding, the excitation winding and the servo-drive machine are embedded in the groove body
Structure electrical connection.
It is further improved, for the rotor using monolith magnetic conductive metal as iron core, the iron core is externally wrapped with excitation
Winding, the excitation winding are electrically connected with the servo-actuating device.
It is further improved, the servo-actuating device includes driving motor and frequency converter connected to it, the frequency converter
For being connect with generating set master control system.
The present invention also provides a kind of generating set yaw systems, including above-mentioned generating set yaw drive system, wherein
The stator is arranged along the inner sidewall lower part of the generating set pivoting support fixation member, and the rotor is along the pivoting support
The lateral wall lower part of rotary part is arranged.
It is further improved, further includes the sealing plate that the stator and rotor axial lateral surface are set, the sealing plate is in
Circular ring structure, the inner ring side of the circular ring structure is fixedly connected with the lateral wall bottom of the pivoting support rotary part, described
The outer annular edge of circular ring structure is contacted with the inner sidewall sealed bottom of the pivoting support fixation member, is offered on the sealing plate
Cable punching hole.
It is further improved, the sealing plate uses rubber oil sea material.
The present invention also provides a kind of generating sets to yaw driving method, and the yaw driving method is driven using magneto-electric yaw
Dynamic method, the magneto-electric yaw driving method are as follows: in generating set pivoting support fixation member and pivoting support rotary part
It is upper it is opposite respectively be arranged radially the stator with magnet steel and the rotor with excitation winding, the rotor with excitation winding is in servo
Under the exciting current effect that driving mechanism provides, drive the pivoting support rotary part relative to the stator and pivoting support
Fixation member rotation.
By adopting such a design, the present invention has at least the following advantages:
1. the present invention passes through opposite respectively between generating set pivoting support fixation member and pivoting support rotary part
The stator and rotor being arranged radially with magnetoelectricity, and according to generating set yaw instruction to the excitation winding of rotor apply excitation electricity
Stream, using magnetoelectric induction principle, realizes contactless yaw maneuver, and it is dynamic to substitute existing contact gear engagement yaw driving
Make, avoid meshing part and damaged in long-term work because inevitably wearing, greatly improves yaw driving system
The service life of system.
2. the mounting means of stator of the present invention and rotor is flexible, when replacement, only need to accordingly replace the component of damage, without
Cabin is thoroughly transferred from pivoting support, workload is greatly saved, shortens the part replacement time, improves maintenance efficiency.
3. the present invention also by setting sealing plate, is able to achieve the sealing to recess region where stator and rotor, prevents ash
The entrance of the foreign matters such as dirt, impurity influences the relative motion of the stator and rotor of electromagnetic induction generation.And by using abrasion-resistant
Sealed material is made, and can preferably extend the service life of the yaw system.
4. present invention yaw driving method utilizes magnetoelectric induction principle, contactless yaw driving is realized, method is simple, no
Easy to damage, long service life is easy to maintain, and replacement is easy.
Detailed description of the invention
The above is merely an overview of the technical solutions of the present invention, in order to better understand the technical means of the present invention, below
In conjunction with attached drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the structural schematic diagram of generating set yaw system of the present invention.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Specific embodiment
The present invention is directed to the defect of existing generating set yaw system, proposes a kind of contactless magnetoelectricity yaw driving side
Formula substitutes existing contact gear engagement yaw driving method.The contactless magnetoelectricity yaw driving method and yaw driving
For for Wind turbines yaw system, specific embodiment is described as follows system:
Referring to shown in attached Fig. 1 and 2, the present embodiment magneto-electric yaw drive system, including it is relatively fixed to wind turbine respectively
Group pivoting support fixation member 1 and stator 4 and rotor 5 on pivoting support rotary part 2, and excitation electricity is provided for rotor 5
The servo-actuating device of stream.The rotor 5 rotates under the action of the servo-actuating device relative to the stator 4, and then band
It moves Wind turbines pivoting support rotary part 2 connected to it and realizes yaw maneuver relative to pivoting support fixation member 1.
Using radial arrangement setting, stator 4 is arranged in 5 periphery of rotor for the stator 4 and rotor 5 in the present embodiment.
Specifically, the stator 4 is formed using silicon steel plate stacking, which radially offers on the side of the rotor 5
Multiple equally distributed through-holes are fixedly embedded at magnet steel and encapsulating solidification in the through-hole, i.e., the stator 4 is equivalent to magnet steel
Stator core.
The rotor 5 can be used silicon steel plate stacking and form, which offers multiple uniform on the side of the stator 4
The groove body of distribution is embedded with excitation winding in the groove body, which is electrically connected with the servo-actuating device.That is the rotor 5
It is equivalent to the rotor core with magnet exciting coil.Certainly, which can also be used monolith magnetic conductive metal as iron core, and at this
Iron core is externally wrapped with excitation winding, which is electrically connected with servo-actuating device, provides for receiving servo-actuating device
Exciting current, to form excitation field.
The servo-actuating device includes driving motor and frequency converter connected to it in the present embodiment, the frequency converter be used for
The connection of Wind turbines master control system, to receive the yaw instruction of Wind turbines master control system, the driving motor is in frequency converter to inclined
Navigate instruction reception and conversion after, corresponding exciting current is applied to the excitation winding of rotor 5, with realize rotor 5 relative to
The rotation of stator 4.
When the above-mentioned magneto-electric yaw drive system is applied to Wind turbines yaw system, specific embodiment are as follows: should
Wind turbines yaw system includes pivoting support fixation member 1 and pivoting support rotary part 2, the pivoting support fixation member 1
It is fixedly connected with Wind turbines mounting platform, which is fixedly connected with the cabin of Wind turbines, the revolution
Pass through the movable connection of bearing 3 between supporting and fixing component 1 and pivoting support rotary part 2.The type of the bearing 3 includes but not
It is limited to ball bearing, the various combinations and different quantity that axis of a cylinder is held and ball bearing and axis of a cylinder are held.
The stator 4 is continuously arranged along the inner sidewall lower part of the Wind turbines pivoting support fixation member 1, and mounting means includes
But it is not limited to fastener connection.The rotor 5 is continuously arranged along the lateral wall lower part of the pivoting support rotary part 2, mounting means
Including but not limited to fastener connects.Specifically, can be in existing pivoting support fixation member 1 or pivoting support rotary part 2
Lower part side open up groove, or open up in the lower part two sides of pivoting support fixation member 1 and pivoting support rotary part 2 recessed
The stator and rotor are arranged in a groove slot.
The foreign matters such as dust, impurity enter stator and rotor in order to prevent, and the present embodiment yaw system further includes that setting exists
The sealing plate 6 of the stator 4 and the axially external face of rotor 5.The sealing plate 6 be in circular ring structure, the inner ring side of the circular ring structure with should
The lateral wall bottom of pivoting support rotary part 2 is fixedly connected, and mounting means is preferably fixed by bolts.Outside the circular ring structure
Ring side is contacted with the inner sidewall sealed bottom of the pivoting support fixation member 1.I.e. the sealing plate 6 is with the pivoting support rotary part
2 rotation and rotate, generate with the friction of fixation member 1, realize the dynamic sealing in work, dust, impurity etc. can be prevented different
Object enters the space where stator 3 and rotor 4, and dust-proof effect is good.
Cable punching hole 8 is offered on the sealing plate 6, for for magnet exciting coil and servo-actuating device in connection rotor 5
Cable 7 passes through.And the sealing plate 6 is made of rub resistance sealed material, such as rubber oil sea material.
The yaw driving principle of above-mentioned Wind turbines yaw drive system are as follows: due to stator 4 and rotor 5 opposite diameter respectively
To being fixed on Wind turbines pivoting support fixation member 1 and pivoting support rotary part 2, by servo-actuating device according to connecing
The yawing velocity of receipts applies exciting current to the excitation winding of rotor, i.e., entire yaw drive system is equivalent to one using frequency conversion
The permanent magnet motor of driver driving is realized by the interaction of alternating electromagnetic field and stator field that exciting current is formed
Relative motion of the rotor 5 relative to stator 4, and then rotor 5 drives pivoting support rotary part 2 relative to connecting with stator 4
The rotation of pivoting support fixation member 1, achievees the purpose that yaw.
Magneto-electric yaw drive system of the present invention and yaw driving method can also be used in the Generator Sets such as marine tidal-current energy, keep away
Exempt from traditional contact gear engagement yaw system to damage in long-term work because inevitably wearing, greatly improve
Service life of yaw drive system.Due also to the mounting means of stator and rotor is flexible, when replacement, only need to accordingly replace damage
Component, be thoroughly transferred from pivoting support without by cabin, be greatly saved workload, shorten the part replacement time, improve maintenance
Efficiency.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technical staff makes a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all falls within this hair
In bright protection scope.
Claims (10)
1. a kind of generating set yaw drive system, which is characterized in that the yaw drive system is using magneto-electric yaw driving
System, the magneto-electric yaw drive system include being relatively fixed to generating set pivoting support fixation member and revolution branch respectively
The stator and rotor on rotary part are held, and provides the servo-actuating device of exciting current for the rotor, the rotor exists
It rotates under the action of the servo-actuating device relative to the stator, and then drives generating set pivoting support rotating part
Part realizes yaw maneuver relative to pivoting support fixation member.
2. generating set yaw drive system according to claim 1, which is characterized in that the stator and rotor use diameter
It is fixed between generating set pivoting support fixation member and pivoting support rotary part to arrangement.
3. generating set yaw drive system according to claim 2, which is characterized in that the stator uses silicon steel sheet stack
It presses, the stator offers multiple equally distributed through-holes on the side of the rotor, fixes in the through-hole
It is embedded with magnet steel.
4. generating set yaw drive system according to claim 3, which is characterized in that the rotor uses silicon steel sheet stack
It presses, the rotor offers multiple equally distributed groove bodies on the side of the stator, is embedded in the groove body
Excitation winding, the excitation winding are electrically connected with the servo-actuating device.
5. generating set yaw drive system according to claim 3, which is characterized in that the rotor uses monolith magnetic conduction
Property metal is as iron core, and the iron core is externally wrapped with excitation winding, and the excitation winding is electrically connected with the servo-actuating device
It connects.
6. generating set yaw drive system according to claim 1, which is characterized in that the servo-actuating device includes
Driving motor and frequency converter connected to it, the frequency converter with generating set master control system for connecting.
7. a kind of generating set yaw system, which is characterized in that inclined including generating set as claimed in any one of claims 1 to 6
Boat drive system, wherein the stator is arranged along the inner sidewall lower part of the generating set pivoting support fixation member, and described turn
Son is arranged along the lateral wall lower part of the pivoting support rotary part.
8. generating set yaw system according to claim 7, which is characterized in that further include setting in the stator and turn
The sealing plate in the axially external face of son, the sealing plate are in circular ring structure, the inner ring side of the circular ring structure and the pivoting support
The lateral wall bottom of rotary part is fixedly connected, the inside of the outer annular edge of the circular ring structure and the pivoting support fixation member
Wall sealed bottom contacts, and offers cable punching hole on the sealing plate.
9. generating set yaw system according to claim 8, which is characterized in that the sealing plate is used using rubber oil sea
Material.
10. a kind of generating set yaws driving method, which is characterized in that the yaw driving method is using magneto-electric yaw driving
Method, the magneto-electric yaw driving method are as follows: in generating set pivoting support fixation member and pivoting support rotary part
Opposite respectively to be arranged radially the stator with magnet steel and the rotor with excitation winding, the rotor with excitation winding drives in servo
Under the exciting current effect that motivation structure provides, drive the pivoting support rotary part solid relative to the stator and pivoting support
Determine component rotation, realizes yaw maneuver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721697.4A CN110285021A (en) | 2019-08-06 | 2019-08-06 | A kind of generating set yaw drive system and method and generating set yaw system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721697.4A CN110285021A (en) | 2019-08-06 | 2019-08-06 | A kind of generating set yaw drive system and method and generating set yaw system |
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| Publication Number | Publication Date |
|---|---|
| CN110285021A true CN110285021A (en) | 2019-09-27 |
Family
ID=68024896
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910721697.4A Pending CN110285021A (en) | 2019-08-06 | 2019-08-06 | A kind of generating set yaw drive system and method and generating set yaw system |
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| Country | Link |
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| CN (1) | CN110285021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392657A (en) * | 2020-11-17 | 2021-02-23 | 中国船舶重工集团海装风电股份有限公司 | Pre-excitation control method for yaw motor of wind generating set |
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| JP2013227866A (en) * | 2012-04-24 | 2013-11-07 | Hitachi Ltd | Wind power generation system |
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2019
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| JP2013227866A (en) * | 2012-04-24 | 2013-11-07 | Hitachi Ltd | Wind power generation system |
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| CN112392657A (en) * | 2020-11-17 | 2021-02-23 | 中国船舶重工集团海装风电股份有限公司 | Pre-excitation control method for yaw motor of wind generating set |
| CN112392657B (en) * | 2020-11-17 | 2021-11-23 | 中国船舶重工集团海装风电股份有限公司 | Pre-excitation control method for yaw motor of wind generating set |
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