CN108708827A - A kind of high-efficiency wind driven generator group - Google Patents
A kind of high-efficiency wind driven generator group Download PDFInfo
- Publication number
- CN108708827A CN108708827A CN201810424810.8A CN201810424810A CN108708827A CN 108708827 A CN108708827 A CN 108708827A CN 201810424810 A CN201810424810 A CN 201810424810A CN 108708827 A CN108708827 A CN 108708827A
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- fixedly connected
- cabin
- wind
- driven generator
- yaw
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- 238000013016 damping Methods 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- DOSMHBDKKKMIEF-UHFFFAOYSA-N 2-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]-5-[3-[3-[4-(1-methylindol-3-yl)-2,5-dioxopyrrol-3-yl]indol-1-yl]propylsulfamoyl]benzenesulfonate Chemical compound C1=CC(=[N+](CC)CC)C=C2OC3=CC(N(CC)CC)=CC=C3C(C=3C(=CC(=CC=3)S(=O)(=O)NCCCN3C4=CC=CC=C4C(C=4C(NC(=O)C=4C=4C5=CC=CC=C5N(C)C=4)=O)=C3)S([O-])(=O)=O)=C21 DOSMHBDKKKMIEF-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- 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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
-
- 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
-
- 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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1438—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle in combination with power supplies for loads other than batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
-
- 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
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/321—Wind directions
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/15—Special adaptation of control arrangements for generators for wind-driven turbines
-
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (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)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of high-efficiency wind driven generator groups, including nacelle cover body, the nacelle cover body is internally provided with cabin, the cabin front end is fixedly connected with permanent magnet pole by rotor rim, in the permanent magnet magnetic pole surface, lower end and right side central are fixedly connected with stator core by stator support, one middle side part of the stator support is fixedly connected with engine base one end, and engine base is installed in the middle part of cabin, the engine base other end is fixedly connected with the revolving body gear of lower section in the middle part of cabin, revolving body gear upper end is fixedly connected with yaw motor by yawing speed reducer, and yaw motor upper right side is equipped with wind vane, the cabin rear end is left, right both sides have been respectively fixedly connected with accumulator and inverter.The present invention has the advantages that efficiency power generation, easy to use by the way that C-DC converters, wind vane, yaw motor, revolving body gear, inverter and accumulator structure is arranged.
Description
Technical field
The present invention relates to wind-power electricity generation relevant device technical field, specially a kind of high-efficiency wind driven generator group.
Background technology
Wind-driven generator is the dynamic power machine for converting wind energy into mechanical work, also known as windmill, in a broad sense, it be it is a kind of with
The sun is heat source, and using air as the heat energy utilization engine of working media, what wind-power electricity generation utilized is natural energy resources, opposite diesel oil
Generate electricity much better, if but if answering emergency to use, or be not so good as diesel-driven generator, wind-power electricity generation is not to be regarded as stand-by power supply,
But can utilize for a long time, mainly by blade, generator, mechanical part and electric component composition, according to the difference of rotary shaft,
Wind-driven generator is mainly divided into two class of horizontal axis wind-driven generator and vertical axis aerogenerator, currently on the market horizontal axis wind turbine
Generator accounts for position of mainstream, and the present invention is specially a kind of high-efficiency wind driven generator group.
But there are deficiencies below for the prior art：
1, wind-power electricity generation is less efficient；
2, in the case of calm generated electricity, it can not be customer power supply, cause the inconvenience used.
Invention content
In view of the deficiencies of the prior art, it the present invention provides a kind of high-efficiency wind driven generator group, solves in the prior art
There are problems that generating efficiency it is low, it is calm in the case of can not normal power supply.
To achieve the above object, the present invention provides the following technical solutions：A kind of high-efficiency wind driven generator group, including outside cabin
Shell, the nacelle cover body are internally provided with cabin, and the cabin front end is fixedly connected with permanent magnet magnetic by rotor rim
Pole, the permanent magnet magnetic pole surface upper and lower end and right side central are fixedly connected with stator core, the stator by stator support
One middle side part of holder is fixedly connected with engine base one end, and engine base is installed in the middle part of cabin, the engine base other end and cabin middle part
The revolving body gear of lower section is fixedly connected, and revolving body gear upper end is fixedly connected with yaw motor by yawing speed reducer,
And yaw motor upper right side is equipped with wind vane, cabin rear end arranged on left and right sides has been respectively fixedly connected with accumulator and inversion
Device.
Preferably, the revolving body gear madial wall upper and lower part is corresponding is provided with one group of yaw damping.
Preferably, upper end is electrically connected with DC-DC converter in the middle part of the cabin.
Preferably, the nacelle cover body left-side center position is fixedly connected with shaft, and shaft right end and cabin front end
Rotor rim is rotatablely connected.
The present invention provides a kind of high-efficiency wind driven generator groups, have following advantageous effect：
（1）The present invention has by the way that DC-DC converter, wind vane, revolving body gear and yaw motor is arranged and promotes wind-power electricity generation
The effect of efficiency solves the problems, such as that wind turbine power generation is less efficient, and the DC-DC converter of installation maintains wind-power electricity generation
The stabilization of machine output current so that the rotating speed of wind-driven generator keeps optimum ratio with wind speed, realizes the raising to generating efficiency,
Wind direction is detected by wind vane, the variation of wind direction is passed to yaw electricity by wind vane as sensing element with electric signal
Machine, yaw motor send out yaw command clockwise or counterclockwise, in order to reduce gyroscopic couple when yaw, yaw motor rotating speed
After being slowed down by the yawing speed reducer coaxially coupled, yawing is acted on revolving body gear, after the completion of to wind, wind
Electric signal is lost to mark, yaw motor is stopped, and During yaw terminates, and realization further increases wind power generation efficiency.
（2）The present invention has the effect of being user's normal power supply under no wind condition by setting inverter and accumulator,
Solve the problems, such as that wind-power electricity generation is inconvenient for use, arranged on left and right sides is sequentially installed with accumulator and inverter, wind-force in cabin rear end
Generator is having wind to carry out power generation effect, and the electric current of a wind is transmitted to power grid for users to use, another part storage
Into accumulator, it is customer power supply by accumulator under no wind condition, ensures the normal power demand of user, meanwhile, setting
The electric current of accumulator conveying is carried out the conversion of alternating current, meets the needs of user is to alternating current, greatly facilitate by inverter
The use of user.
Description of the drawings
Fig. 1 is internal structure schematic diagram of the present invention；
Fig. 2 is revolving body gear schematic top plan view of the present invention.
In figure：1 permanent magnet pole, 2 shafts, 3 rotor rims, 4 nacelle cover bodies, 5 stator supports, 6DC-DC converters, 7
Cabin, 8 stator cores, 9 engine bases, 10 revolving body gears, 11 accumulators, 12 inverters, 13 yaw motors, 14 yaw dampings, 15
Yawing speed reducer, 16 wind vanes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, the present invention provides a kind of technical solution：A kind of high-efficiency wind driven generator group, including nacelle cover
Body 4, nacelle cover body 4 are internally provided with cabin 7, and 7 middle part upper end of cabin is electrically connected with DC-DC converter 6, nacelle cover body
4 left-side center positions are fixedly connected with shaft 2, and 2 right end of shaft is rotatablely connected with 7 front end rotor rim 1 of cabin, before cabin 7
End is fixedly connected with permanent magnet pole 1 by rotor rim 3, and 1 surface upper and lower end of permanent magnet pole and right side central pass through stator
Holder 5 is fixedly connected with stator core 8, and 5 one middle side part of stator support is fixedly connected with 9 one end of engine base, and engine base 9 is installed on machine
7 middle part of cabin, 9 other end of engine base are fixedly connected with the revolving body gear 10 of 7 middle part lower section of cabin, 10 madial wall of revolving body gear
Upper and lower part is corresponding to be provided with one group of yaw damping 14, and 10 upper end of revolving body gear is fixedly connected with by yawing speed reducer 15
Yaw motor 13, and 13 upper right side of yaw motor is equipped with wind vane 16, the DC-DC converter 6 of installation maintains wind-power electricity generation
The stabilization of machine output current so that the rotating speed of wind-driven generator keeps optimum ratio with wind speed, realizes the raising to generating efficiency,
Wind direction is detected by wind vane 16, the variation of wind direction is passed to yaw by wind vane 16 as sensing element with electric signal
Motor 13, yaw motor 13 send out yaw command clockwise or counterclockwise, in order to reduce gyroscopic couple when yaw, yaw electricity
After 13 rotating speed of machine will be slowed down by the yawing speed reducer 15 coaxially coupled, yawing is acted on revolving body gear 10, when
After the completion of wind, wind vane 16 loses electric signal, and yaw motor 13 is stopped, and During yaw terminates, and realizes to wind-power electricity generation
Efficiency further increases, and 7 rear end arranged on left and right sides of cabin has been respectively fixedly connected with accumulator 11 and inverter 12, after cabin 7
End arranged on left and right sides is sequentially installed with accumulator 11 and inverter 12, and wind-driven generator is having wind to carry out power generation effect, and one
The electric current of portion's wind is transmitted to power grid for users to use, and another part is stored into accumulator 11, under no wind condition, by accumulator
11 be customer power supply, ensures the normal power demand of user, meanwhile, the inverter 12 of setting, the electric current that accumulator 11 is conveyed
The conversion for carrying out alternating current, meets the needs of user is to alternating current, greatly convenient for users to use.
Operation principle：In use, keeping the stabilization of wind-driven generator output current by the DC-DC converter 6 of installation, make
The rotating speed and wind speed for obtaining wind-driven generator keep optimum ratio, the raising to generating efficiency are realized, by wind vane 16 to wind direction
It is detected, the variation of wind direction is passed to yaw motor 13, yaw motor 13 by wind vane 16 as sensing element with electric signal
Yaw command clockwise or counterclockwise is sent out, in order to reduce gyroscopic couple when yaw, 13 rotating speed of yaw motor will be by same
After the yawing speed reducer 15 of axis connection slows down, yawing is acted on revolving body gear 10, after the completion of to wind, wind vane
16 lose electric signal, and yaw motor 13 is stopped, and During yaw terminates, and further carry out raising effect to generating efficiency, together
When, for wind-driven generator during power generation, the electric current of a wind is transmitted to power grid for users to use, and another part is stored to storage
In battery 11, it is customer power supply by accumulator 11 under no wind condition, ensures the normal power demand of user, meanwhile, setting
Inverter 12, the electric current that accumulator 11 is conveyed carry out the conversion of alternating current, meet the needs of user is to alternating current.
Can to sum up obtain, the present invention by be arranged DC-DC converter 6, wind vane 16, yaw motor 13, revolving body gear 10,
11 structure of inverter 12 and accumulator solves the problems, such as generating efficiency exists in the prior art low, inconvenient for use.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of high-efficiency wind driven generator group, including nacelle cover body（4）, it is characterised in that：The nacelle cover body（4）It is internal
It is provided with cabin（7）, the cabin（7）Front end passes through rotor rim（3）It is fixedly connected with permanent magnet pole（1）, the permanent magnetism
Body magnetic pole（1）Surface upper and lower end and right side central pass through stator support（5）It is fixedly connected with stator core（8）, the stator branch
Frame（5）One middle side part and engine base（9）One end is fixedly connected, and engine base（9）It is installed on cabin（7）Middle part, the engine base（9）It is another
End and cabin（7）Revolving body gear below middle part（10）It is fixedly connected, the revolving body gear（10）Upper end is subtracted by yaw
Fast device（15）It is fixedly connected with yaw motor（13）, and yaw motor（13）Upper right side is equipped with wind vane（16）, the cabin
（7）Rear end arranged on left and right sides has been respectively fixedly connected with accumulator（11）And inverter（12）.
2. a kind of high-efficiency wind driven generator group according to claim 1, it is characterised in that：The revolving body gear（10）It is interior
Side wall upper and lower part is corresponding to be provided with one group of yaw damping（14）.
3. a kind of high-efficiency wind driven generator group according to claim 1, it is characterised in that：The cabin（7）Middle part upper end
It is electrically connected with DC-DC converter（6）.
4. a kind of high-efficiency wind driven generator group according to claim 1, it is characterised in that：The nacelle cover body（4）It is left
Side middle position is fixedly connected with shaft（2）, and shaft（2）Right end and cabin（7）Front end rotor rim（1）Rotation connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424810.8A CN108708827A (en) | 2018-05-07 | 2018-05-07 | A kind of high-efficiency wind driven generator group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424810.8A CN108708827A (en) | 2018-05-07 | 2018-05-07 | A kind of high-efficiency wind driven generator group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108708827A true CN108708827A (en) | 2018-10-26 |
Family
ID=63868807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424810.8A Pending CN108708827A (en) | 2018-05-07 | 2018-05-07 | A kind of high-efficiency wind driven generator group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708827A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004254456A (en) * | 2003-02-21 | 2004-09-09 | Sumitomo Electric Ind Ltd | Wind power generation system |
| CN201041137Y (en) * | 2007-02-09 | 2008-03-26 | 珠海泰能电子科技有限公司 | Maximum power tracking wind and light complementary system |
| CN202768240U (en) * | 2012-10-09 | 2013-03-06 | 阿高龙热 | Double-section blade type wind-driven generator |
| CN102979680A (en) * | 2011-09-06 | 2013-03-20 | 三星电机株式会社 | Wind power generation system and method for controlling the same |
| CN106877483A (en) * | 2017-03-24 | 2017-06-20 | 武汉朗宇智能科技有限公司 | A kind of electrical energy changer of wind generator system |
| CN206707925U (en) * | 2017-03-09 | 2017-12-05 | 长泰朗德机械设备有限公司 | A kind of new energy wind power plant |
-
2018
- 2018-05-07 CN CN201810424810.8A patent/CN108708827A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004254456A (en) * | 2003-02-21 | 2004-09-09 | Sumitomo Electric Ind Ltd | Wind power generation system |
| CN201041137Y (en) * | 2007-02-09 | 2008-03-26 | 珠海泰能电子科技有限公司 | Maximum power tracking wind and light complementary system |
| CN102979680A (en) * | 2011-09-06 | 2013-03-20 | 三星电机株式会社 | Wind power generation system and method for controlling the same |
| CN202768240U (en) * | 2012-10-09 | 2013-03-06 | 阿高龙热 | Double-section blade type wind-driven generator |
| CN206707925U (en) * | 2017-03-09 | 2017-12-05 | 长泰朗德机械设备有限公司 | A kind of new energy wind power plant |
| CN106877483A (en) * | 2017-03-24 | 2017-06-20 | 武汉朗宇智能科技有限公司 | A kind of electrical energy changer of wind generator system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181026 |
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| RJ01 | Rejection of invention patent application after publication |