CN109185076A - A kind of wind power generator cabin - Google Patents
A kind of wind power generator cabin Download PDFInfo
- Publication number
- CN109185076A CN109185076A CN201811001106.8A CN201811001106A CN109185076A CN 109185076 A CN109185076 A CN 109185076A CN 201811001106 A CN201811001106 A CN 201811001106A CN 109185076 A CN109185076 A CN 109185076A
- Authority
- CN
- China
- Prior art keywords
- cabin
- wind power
- power generator
- inner casing
- nacelle cover
- 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.)
- Pending
Links
- 239000010410 layer Substances 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 239000011229 interlayer Substances 0.000 claims abstract description 14
- 238000005485 electric heating Methods 0.000 claims abstract description 12
- 229920000742 Cotton Polymers 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 5
- 238000012423 maintenance Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- 239000002274 desiccant Substances 0.000 claims description 4
- 238000010248 power generation Methods 0.000 abstract description 13
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000001034 Frostbite Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
- F03D80/55—Cleaning
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of wind power generator cabins, including nacelle cover and cabin inner casing, the nacelle cover is located on the outside of cabin inner casing, temperature inductor and electric heating block are installed above the cabin inner casing inner wall, and temperature inductor is between electric heating block, cooling fan is installed below the cabin inner housing inner, Air Filter and waterproof and breathable film layer are provided with below the cooling fan, and waterproof and breathable film layer is located on the inside of Air Filter, interlayer is offered between the nacelle cover and cabin inner casing, the interlayer is internally provided with reinforcement steel plate, buffer spring and sound insulation cotton layer, and reinforce steel plate between buffer spring and sound-proof material.The present invention, can be effectively ensured wind power generator cabin low temperature, high temperature adverse circumstances under operate normally, reinforce wind-driven generator cabin structure intensity and hardness, enhance anti-pressure ability, the performance and used life of wind turbine power generation cabin is promoted, is suitble to be widely popularized and used.
Description
Technical field
The present invention relates to a kind of generator bay, in particular to a kind of wind power generator cabin.
Background technique
Wind energy is as a kind of clean renewable energy, the increasingly attention by countries in the world, and reserves are huge, entirely
The wind energy high number of ball, the water energy total amount than that can develop and use on the earth are also 10 times big.Device required for wind-power electricity generation,
Referred to as wind power generating set, wind power generator cabin protect shell as wind power generating set, and reliability determines Wind turbines
The stability and service life of operation, wind power generator cabin by all component covers in cabin wherein, be isolated from the outside to
It can guarantee that internal generator group works.
But the general radiating rate of most of wind power generator cabin in the market is slow, it can not be timely to power generation
Unit radiates, and it is relatively fast and unobstructed that wind power generating set is usually required to be mounted at the wind speed such as plateau cold or coastal waters
Region influences wind power generator cabin so that wind power generator cabin needs to face the severe running environment of low temperature, height and high corrosion
Service life.For this purpose, it is proposed that a kind of wind power generator cabin.
Summary of the invention
The main purpose of the present invention is to provide a kind of wind power generator cabins, and wind power generator cabin can be effectively ensured low
It is operated normally under temperature, the adverse circumstances of high temperature, reinforces the intensity and hardness of wind-driven generator cabin structure, enhanced anti-pressure ability, mention
The performance and used life for rising wind turbine power generation cabin, can effectively solve the problems in background technique.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of wind power generator cabin, including nacelle cover and cabin inner casing, the nacelle cover are located on the outside of cabin inner casing,
Temperature inductor and electric heating block be installed, and temperature inductor is between electric heating block above the cabin inner casing inner wall,
Cooling fan is installed below the cabin inner housing inner, is provided with Air Filter and waterproof ventilated membrane below the cooling fan
Layer, and waterproof and breathable film layer is located on the inside of Air Filter.
Further, interlayer is offered between the nacelle cover and cabin inner casing, the interlayer is internally provided with reinforcement
Steel plate, buffer spring and sound insulation cotton layer, and reinforce steel plate between buffer spring and sound-proof material.
Further, lower section is provided with maintenance door outside the nacelle cover, is equipped with rain-proof above the nacelle exterior
Cover and lightning rod, and lightning rod is located above rain cover.
Further, cabin inner housing inner two sides are provided with drying layer, and drying layer be set as two or two with
It is upper and internal equipped with desiccant material.
Further, the nacelle cover and cabin inner casing inner wall surface are provided with insulation leakproof electrocoat.
Compared with prior art, the invention has the following beneficial effects:
It, when in use can be with by using wind power generator cabin made of double-layer structure 1. a kind of this kind of wind power generator cabin
The structure for enhancing cabin, prevents from causing cabin to be damaged due to powerful external force, by nacelle cover and cabin inner casing it
Between offer interlayer, and be internally provided in interlayer and reinforce steel plate, buffer spring and sound insulation cotton layer, reinforced steel plate and be arranged in machine
The quadrangle in cabin can further strengthen the intensity and hardness of wind-driven generator cabin structure, enhance anti-pressure ability, and buffer spring makes
Hair inside wind power generator cabin can effectively be completely cut off with the buffer capacity that can promote cabin, while by the sound insulation cotton layer of setting
The noise that motor generates.
2. by being equipped with temperature inductor above cabin inner casing inner wall, by can effectively be dared using temperature inductor
With the wind turbine power generation cabin internal temperature generated at work, when temperature inductor induction cabin interior temperatures are excessively high by data
It is sent to the controller of engine room inside, by automatically opening cooling fan using controller, by that can have using cooling fan
The heat of engine room inside is discharged effect, while cooling fan lower section being provided with Air Filter and waterproof and breathable film layer, can be with
It effectively prevent dust and moisture to enter engine room inside, when temperature inductor induction cabin interior temperatures are too low, by utilizing electricity
Heat block can suitably heat engine room inside, prevent the too low frostbite generator bay inner body of internal temperature, effectively mention
Rise the performance and used life of wind turbine power generation cabin.
3. the maintenance of staff can be greatly facilitated by being provided with maintenance door below outside nacelle cover, pass through
Rain cover is installed above nacelle exterior and can further promote the Rainproof moisture-proof performance of wind turbine power generation cabin, by machine
Shell and cabin inner casing inner wall surface are provided with insulation leakproof electrocoat and wind turbine power generation cabin can be effectively prevented and send and leak electricity out of my cabin
The phenomenon that.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of wind power generator cabin of the present invention.
Fig. 2 is a kind of cabin inner casing configuration schematic diagram of wind power generator cabin of the present invention.
In figure: 1, nacelle cover；2, cabin inner casing；3, interlayer；4, reinforce steel plate；5, buffer spring；6, sound insulation cotton layer；7,
Temperature inductor；8, cooling fan；9, electric heating block；10, Air Filter；11, waterproof and breathable film layer；12, maintenance door；13, rain-proof
Cover；14, lightning rod；15, insulate leakproof electrocoat；16, drying layer.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figs. 1-2, a kind of wind power generator cabin, including nacelle cover 1 and cabin inner casing 2, the nacelle cover 1
In 2 outside of cabin inner casing, temperature inductor 7 and electric heating block 9, and temperature sense are installed above 2 inner wall of cabin inner casing
For device 7 between electric heating block 9,2 lower inside of cabin inner casing is equipped with cooling fan 8, sets below the cooling fan 8
It is equipped with Air Filter 10 and waterproof and breathable film layer 11, and waterproof and breathable film layer 11 is located at 10 inside of Air Filter.
In the present embodiment as illustrated in fig. 1 and 2, by the temperature inductor 7 of setting, electric heating block 9, cooling fan 8, dust-proof
Net 10 and waterproof and breathable film layer 11 can be effectively ensured wind power generator cabin low temperature, high temperature adverse circumstances under operate normally,
Promote the performance and used life of wind turbine power generation cabin.
Wherein, interlayer 3 is offered between the nacelle cover 1 and cabin inner casing 2, the interlayer 3 is internally provided with reinforcement
Steel plate 4, buffer spring 5 and sound insulation cotton layer 6, and reinforce steel plate 4 between buffer spring 5 and sound-proof material 6.
In the present embodiment as shown in Fig. 2, steel plate 4 is reinforced by being provided with of being arranged, buffer spring 5 and sound insulation cotton layer 6 can
Effectively to promote the intensity and anti-pressure ability of cabin, while wind power generator cabin can effectively be completely cut off by the sound insulation cotton layer of setting
The noise that internal generator generates.
Wherein, the 1 outside lower section of nacelle cover is provided with maintenance door 12, is equipped with rain-proof above the nacelle exterior 1
Cover 13 and lightning rod 14, and lightning rod 14 is located at 13 top of rain cover.
It in the present embodiment as illustrated in fig. 1 and 2, can be very big by being provided with maintenance door 12 below 1 outside of nacelle cover
The maintenance for facilitating staff, can preventing cabin by the lightning rod 14 of setting, there is a phenomenon where thunders to split damage.
Wherein, the 2 inside two sides of cabin inner casing are provided with drying layer 16, and drying layer 16 be set as two or two with
It is upper and internal equipped with desiccant material.
As shown in Fig. 2, it can be further by the drying layer 16 that the inside of setting is equipped with desiccant material in the present embodiment
Promote the humidity resistance of cabin inner casing.
Wherein, the nacelle cover 1 and 2 inner wall surface of cabin inner casing are provided with insulation leakproof electrocoat 15.
In the present embodiment as shown in Fig. 2, by being provided with insulation leakproof in nacelle cover 1 and 2 inner wall surface of cabin inner casing
The phenomenon that wind turbine power generation cabin sends electric leakage can be effectively prevented in electrocoat 15, promotes the security performance of wind power generator cabin.
It should be noted that the present invention is a kind of wind power generator cabin, nacelle cover 1, interlayer 3, is reinforced cabin inner casing 2
Steel plate 4, buffer spring 5, sound insulation cotton layer 6, temperature inductor 7, cooling fan 8, electric heating block 9, Air Filter 10, waterproof ventilated membrane
Layer 11, maintenance door 12, rain cover 13, lightning rod 14, insulation leakproof electrocoat 15, drying layer 16, component is universal standard part
Or component as known to those skilled in the art, structure and principle are all that this technology personnel can be learnt or be led to by technical manual
It crosses routine experiment method to know, cabin can be enhanced by using wind power generator cabin made of double-layer structure in the present invention when work
Structure, prevent from causing cabin to be damaged due to powerful external force, while by between nacelle cover 1 and cabin inner casing 2
Interlayer 3 is offered, and using reinforcement steel plate 4, the buffer spring 5 inside interlayer 3, base layer structure can be further strengthened
Intensity and hardness, enhance anti-pressure ability, and the use of buffer spring 5 can promote the buffer capacity of cabin, at the same by using every
Sound cotton layer 6 can effectively completely cut off the noise of wind power generator cabin internal generator generation, by using on 2 inner wall of cabin inner casing
Side is equipped with temperature inductor 7, by that can be produced using temperature inductor 7 with actual induction wind turbine power generation cabin is internal at work
Raw temperature sends the data to the controller of engine room inside when the induction cabin interior temperatures of temperature inductor 7 are excessively high, passes through
Cooling fan 8 is automatically opened using controller, by the way that effectively the heat of engine room inside can be discharged using cooling fan 8,
Simultaneously by being provided with Air Filter 10 and waterproof and breathable film layer 11 below cooling fan 8, can be effectively prevented dust and moisture into
Enter to engine room inside, when the induction cabin interior temperatures of temperature inductor 7 are too low, by utilizing electric heating block 9 can be in cabin
Portion is suitably heated, and prevents the too low frostbite generator bay inner body of internal temperature, promoted wind turbine power generation cabin performance and
Service life is led to by that can be greatly facilitated the maintenance of staff using the maintenance door 12 below 1 outside of nacelle cover
The Rainproof moisture-proof performance for being equipped with rain cover 13 He can further promoting wind turbine power generation cabin is crossed above nacelle exterior, is passed through
Nacelle cover 1 and 2 inner wall surface of cabin inner casing, which are provided with insulation leakproof electrocoat 15, can be effectively prevented wind turbine power generation cabin
The phenomenon that sending electric leakage, promotes the security performance of wind power generator cabin.7 model WRM-101 of temperature inductor.
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 (5)
1. a kind of wind power generator cabin, including nacelle cover (1) and cabin inner casing (2), the nacelle cover (1) are located in cabin
On the outside of shell (2), it is characterised in that: temperature inductor (7) and electric heating block (9) are installed above cabin inner casing (2) inner wall,
And temperature inductor (7) is located between electric heating block (9), cabin inner casing (2) lower inside is equipped with cooling fan (8),
It is provided with Air Filter (10) and waterproof and breathable film layer (11) below the cooling fan (8), and waterproof and breathable film layer (11) is located at
On the inside of Air Filter (10).
2. a kind of wind power generator cabin according to claim 1, it is characterised in that: in the nacelle cover (1) and cabin
It is offered between shell (2) interlayer (3), the interlayer (3), which is internally provided with, reinforces steel plate (4), buffer spring (5) and sound insulation cotton layer
(6), and reinforcement steel plate (4) is located between buffer spring (5) and sound-proof material (6).
3. a kind of wind power generator cabin according to claim 1, it is characterised in that: the external lower section of the nacelle cover (1)
It is provided with maintenance door (12), rain cover (13) and lightning rod (14), and lightning rod (14) is installed above the nacelle exterior (1)
Above rain cover (13).
4. a kind of wind power generator cabin according to claim 1, it is characterised in that: the internal two sides of the cabin inner casing (2)
It is provided with drying layer (16), and drying layer (16) is set as two or more and inside is equipped with desiccant material.
5. a kind of wind power generator cabin according to claim 1, it is characterised in that: in the nacelle cover (1) and cabin
Shell (2) inner wall surface is provided with insulation leakproof electrocoat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001106.8A CN109185076A (en) | 2018-08-30 | 2018-08-30 | A kind of wind power generator cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001106.8A CN109185076A (en) | 2018-08-30 | 2018-08-30 | A kind of wind power generator cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109185076A true CN109185076A (en) | 2019-01-11 |
Family
ID=64917381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811001106.8A Pending CN109185076A (en) | 2018-08-30 | 2018-08-30 | A kind of wind power generator cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185076A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664414A (en) * | 2020-12-22 | 2021-04-16 | 台州佳沃科技有限公司 | Wind turbine generator system with protection mechanism |
| CN112682279A (en) * | 2019-10-17 | 2021-04-20 | 北京金风科创风电设备有限公司 | Soft cabin cover, air pressure control method, control device and wind generating set |
| CN118686756A (en) * | 2024-06-13 | 2024-09-24 | 华能国际电力股份有限公司重庆清洁能源分公司 | A noise reduction device for wind turbine |
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| CN104300379A (en) * | 2014-10-15 | 2015-01-21 | 苏州市世纪晶源光电科技有限公司 | Safety power distribution cabinet |
| KR20150094333A (en) * | 2014-02-11 | 2015-08-19 | 전북대학교산학협력단 | Wind power generation cover with joint structure |
| CN204827816U (en) * | 2015-08-18 | 2015-12-02 | 沈阳华创风能有限公司 | Wind generating set cabin heat abstractor |
| CN206054973U (en) * | 2016-08-23 | 2017-03-29 | 盐城嘉诚塑胶有限公司 | Split type polyethylene solid wall pipe |
| CN107087369A (en) * | 2017-06-30 | 2017-08-22 | 潘承燕 | A kind of antidetonation noise reduction electrical control cabinet |
| CN207144286U (en) * | 2017-08-31 | 2018-03-27 | 襄阳建昌盛建材有限公司 | A kind of heat preservation and soundproof brick for building |
| CN207177153U (en) * | 2017-08-11 | 2018-04-03 | 江苏财发铝业股份有限公司 | A kind of sound-absorbing aluminium sheet |
| CN207427699U (en) * | 2017-11-21 | 2018-05-29 | 广州迪凌智能科技有限公司 | A kind of protective device of the liquid crystal-spliced screen power-supply controller of electric of engineering |
| CN108400532A (en) * | 2018-05-10 | 2018-08-14 | 陈书画 | A kind of power information server controls cabinet |
-
2018
- 2018-08-30 CN CN201811001106.8A patent/CN109185076A/en active Pending
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|---|---|---|---|---|
| WO2012027954A1 (en) * | 2010-09-01 | 2012-03-08 | 广东明阳风电产业集团有限公司 | Wind power generation set for environment of high humidity district |
| KR20150094333A (en) * | 2014-02-11 | 2015-08-19 | 전북대학교산학협력단 | Wind power generation cover with joint structure |
| CN104300379A (en) * | 2014-10-15 | 2015-01-21 | 苏州市世纪晶源光电科技有限公司 | Safety power distribution cabinet |
| CN204827816U (en) * | 2015-08-18 | 2015-12-02 | 沈阳华创风能有限公司 | Wind generating set cabin heat abstractor |
| CN206054973U (en) * | 2016-08-23 | 2017-03-29 | 盐城嘉诚塑胶有限公司 | Split type polyethylene solid wall pipe |
| CN107087369A (en) * | 2017-06-30 | 2017-08-22 | 潘承燕 | A kind of antidetonation noise reduction electrical control cabinet |
| CN207177153U (en) * | 2017-08-11 | 2018-04-03 | 江苏财发铝业股份有限公司 | A kind of sound-absorbing aluminium sheet |
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| CN108400532A (en) * | 2018-05-10 | 2018-08-14 | 陈书画 | A kind of power information server controls cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682279A (en) * | 2019-10-17 | 2021-04-20 | 北京金风科创风电设备有限公司 | Soft cabin cover, air pressure control method, control device and wind generating set |
| CN112682279B (en) * | 2019-10-17 | 2022-02-01 | 北京金风科创风电设备有限公司 | Soft cabin cover, air pressure control method, control device and wind generating set |
| CN112664414A (en) * | 2020-12-22 | 2021-04-16 | 台州佳沃科技有限公司 | Wind turbine generator system with protection mechanism |
| CN118686756A (en) * | 2024-06-13 | 2024-09-24 | 华能国际电力股份有限公司重庆清洁能源分公司 | A noise reduction device for wind turbine |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |