CN105443324B - A kind of engine room cover of wind turbine lightning-protection system design method and lightning-protection system - Google Patents
A kind of engine room cover of wind turbine lightning-protection system design method and lightning-protection system Download PDFInfo
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- CN105443324B CN105443324B CN201610017283.XA CN201610017283A CN105443324B CN 105443324 B CN105443324 B CN 105443324B CN 201610017283 A CN201610017283 A CN 201610017283A CN 105443324 B CN105443324 B CN 105443324B
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000013461 design Methods 0.000 title claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002990 reinforced plastic Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
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- 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
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Abstract
The present invention discloses a kind of engine room cover of wind turbine lightning-protection system design method and lightning-protection system.The technical scheme of use includes engine room cover and the arrester device installed in engine room cover rear end, engine room cover weak spot is found by rolling ball method, and lighting protection arrester is installed in weak spot position, design and arrange by engine room cover lighting protection arrester, and the wire with being located inside engine room cover is connected, engine room cover is set to form faraday cage.The above-mentioned technical proposal of the present invention has advantages below compared with prior art：A kind of engine room cover of wind turbine lightning-protection system design method provided by the invention, using the principle of the wind power generating set rolling ball method, each weak spot of engine room cover of wind turbine is protected, omnibearing protection engine room cover, improves unit safety.
Description
Technical field
The present invention relates to a kind of engine room cover of wind turbine lightning-protection system design method and lightning-protection system.
Background technology
Wind energy is the renewable clear energy sources that current techniques are most ripe, most possess scale development condition.Wind power generation is behaved
Provided the foundation with natural harmony development.Because wind power generating set is worked under natural environment, inevitably by
The influence of natural calamity.Due to the fast development of modern science and technology, the single-machine capacity of wind power generating set is increasing, in order to
More multi-energy is absorbed, with increasing, relative also increases the risk being struck by lightning for tower height and impeller diameter, has been struck by lightning into certainly
A kind of maximum disaster is endangered wind power generating set safe operation in right boundary.The huge energy of thunder and lightning release can cause wind-force to send out
Group of motors blade damage, generator insulating breakdown, control component burn.
China's Coastal Areas is with a varied topography, and thunderstorm day is more, should fully pay attention to thunderbolt to wind-force Wind turbines and operation people
Grave danger that member brings.In order to reduce the loss that natural calamity is brought, it is necessary to be fully understood by it, and make and targetedly preventing
Model measure.The lightning protection of blower fan is a comprehensive lightening protection engineering, lightning Protection Design in place whether, be directly connected to blower fan in thunder
During rainy day gas can normal work, and ensure that the various equipment in blower fan are without prejudice etc..
Also a problem is provided in the ground connection of the wind energy conversion system of hills and ridge.These regional soil conductivity performance phases
To poor.Generally, the engine room cover of modern large scale wind power machine is made of composite, such as with Fibreglass Reinforced Plastics or timber
Laminate.When thunderbolt does not add the blade of protection with this kind of material manufacture, because these materials can not conduct lightning current, always go out
Now damage.Therefore, it is important to this kind of lightning protection requirement.Engine room cover of wind turbine is made of Fibreglass Reinforced Plastics,
They should direct lightning protection wind-driven generator be current wind energy utilization most extensively most important equipment.
And engine room cover of wind turbine lightning-protection system design quality is directly connected to engine room cover internal electric loop, cabin
The containment vessel equivalent to wind power system is covered, therefore the lightning-protection system of engine room cover whether reasonable in design is directly connected to wind-driven generator
Working condition and equipment safety.Because engine room cover is subject to direct lightning strike, can not be verified by testing, it is necessary to design
At the beginning of should consider lightning current size, direction.Therefore the reasonability of engine room cover lightning-protection system design is just particularly important.Pass
The design of the engine room cover lightning-protection system of system is to install lightning rod by engine room cover top, and combines lead under engine room cover and run through cover
Body carries out lightning current and dredged, and it has certain lightning protection limitation, can not comprehensive the problem of carrying out protection engine room cover.
The content of the invention
Invention technical problems to be solved are to provide a kind of engine room cover of wind turbine lightning-protection system design method and prevented
Thunder system, protection engine room cover is carried out with comprehensive.
To solve the above problems, the technical scheme that invention uses includes engine room cover and installed in the lightning-arrest of engine room cover rear end
Needle device, it is characterised in that：Engine room cover weak spot is found by rolling ball method, and lighting protection arrester is installed in weak spot position, is led to
The design of engine room cover lighting protection arrester and arrangement are crossed, and the wire with being located inside engine room cover is connected, and engine room cover is formed faraday
Cover.
Described design method, it is characterised in that：Described rolling ball method comprises the following steps：
1）, in engine room cover afterbody, level ground position is starting point vertically downward；
2）, use radius as hrSpin, any is tangential on pylon, and another point is with being tangential on engine room cover afterbody lower horizontal
Face；
3）, as spin up rolls along pylon below engine room cover afterbody, when spin is below cabin afterbody, there is one
Point is tangent with pylon, and another point is its protection domain in in-between arc extent with tangent below engine room cover afterbody；
4）, below the engine room cover afterbody points of tangency as engine room cover lighting protection arrester wherein one at installation site；
5）, continue on spin engine room cover rolling, when spin is a little tangential on engine room cover upper rear, another phase
Lightning rod at the top of engine room cover is cut in, engine room cover upper rear is pacified with another place of the spin points of tangency as engine room cover lighting protection arrester
Holding position；
6）, as spin is moved at the top of engine room cover along engine room cover, spin is a little tangential on lightning rod at the top of engine room cover,
Another point is then tangential on blade, and engine room cover tip position need not installation arrester device.
Described design method, it is characterised in that：Described rolling ball method also comprises the following steps：
7）, apart from ground hrPlace makees a straight line L1 parallel to ground, perpendicular to pylon；
8）, with hrIt is tangent as ball, its camber line and straight line L1, pylon for radius；
9）, apart from ground hrPlace makees a straight line L2 parallel to ground, perpendicular to pylon；
10）, with hrIt is tangent as ball, its camber line and straight line L2, pylon, engine room cover for radius；
11）, engine room cover points of tangency be engine room cover arrester installation site.
A kind of engine room cover of wind turbine lightning-protection system, according to design method described above realize, including engine room cover with
And the arrester device installed in engine room cover rear end, the arrester device include framework and taking shelter from the thunder on framework
Pin, the base of frame are connected to earth cable, it is characterised in that：Lightning protection is installed by the rolling ball method and connect in the engine room cover rear end
Device is dodged, is connected by wire between the lighting protection arrester and is connected with the earth cable, the wire is arranged on engine room cover
It is internal.
The engine room cover of wind turbine lightning-protection system, it is characterised in that：The lighting protection arrester passes through three round steel
Post is welded to be formed by " T " font structure, and its bottom is provided with installing plate, front end is provided with tip.
The engine room cover of wind turbine lightning-protection system, it is characterised in that：The framework include vertical pole, leger and
With the telescopic lever of leger rotation connection, the leger both ends are respectively mounted lightning rod.
Described engine room cover of wind turbine lightning-protection system, it is characterised in that：The lightning rod upper end is big with being welded on
Handrail on cross bar is fixedly connected.
Described engine room cover of wind turbine lightning-protection system, it is characterised in that：Set above the lightning rod at the both ends
There is small cross bar, anemobiagraph, anemoscope are installed in the small cross bar both ends respectively.
Described engine room cover of wind turbine lightning-protection system, it is characterised in that：The extension at the leger both ends
Aviation obstruction beacon is not installed.
Described engine room cover of wind turbine lightning-protection system, it is characterised in that：The vertical pole bottom connects big hanger spiral shell
Bolt, the big ear stud are connected by bolt with backing plate.
Described engine room cover of wind turbine lightning-protection system, it is characterised in that：The lightning rod is set on sleeve pipe, simultaneously
Fixed by fixing device, described sleeve pipe is fixed on leger and handrail.
The above-mentioned technical proposal of the present invention has advantages below compared with prior art：
（1）A kind of engine room cover of wind turbine lightning-protection system design method provided by the invention, sent out using the wind-force
The principle of group of motors rolling ball method, each weak spot of engine room cover of wind turbine is protected, omnibearing protection engine room cover, carried
High unit safety.
（2）Again engine room cover lighting protection arrester is designed, during lightning protection, engine room cover lighting protection arrester carried out
Rationally arrangement, is vital as engine room cover lightning protection point of release.Increase engine room cover lightning strike protection point, improve engine room cover
Thunderbolt security, avoids the interference of engine room cover internal electric component, while also improve the stability of communication.Rolling ball method principle
Simply, it is skillfully constructed, it is easy to accomplish.
（3）Using the engine room cover of wind turbine lighting protection arrester, its is simple in construction, improves unit safety,
Cost is relatively low, is easy to implement.
Brief description of the drawings
Invention is described further with reference to Figure of description.
Fig. 1 is engine room cover of wind turbine afterbody rolling ball method lightning protection schematic diagram of the present invention；
Fig. 2 is rolling ball method lightning protection schematic diagram on the right side of engine room cover of wind turbine of the present invention；
Fig. 3,4 be arrester device different angle of the present invention structural representation；
Fig. 5,6 be lighting protection arrester different angle of the present invention structural representation；
Fig. 7 is the partial enlarged drawing of arrester device of the present invention.
Embodiment
Embodiment 1:
Referring to figs. 1 to shown in Fig. 2, a kind of engine room cover of wind turbine lightning-protection system design method of the invention, with
2.5MW types, exemplified by its centre-height of wheel hub is 80m wind power generating set, prevented by the engine room cover of finding out respectively of spin model
Thunder weak spot.
When thunder and lightning from engine room cover afterbody rear right to attack when, two angles of engine room cover rear right be both exposed to be struck by lightning scope
It is interior, refer to Fig. 2.The present invention finds engine room cover weak spot by rolling ball method, and installs lighting protection arrester 3 in weak spot position, leads to
Cross engine room cover lighting protection arrester 3 to design and arrange, and be connected with the wire 4 being located inside engine room cover 1, make the formation method of engine room cover 1
Cover is drawn, engine room cover is formed gauze screen, protects engine room cover and engine room cover internal electric component.When being struck by lightning, pass through
Engine room cover lighting protection arrester guides lightning current, reaches mainframe, then conducts to pylon, is ultimately conducted to the earth.Described above
Wire 4 specifically uses copper braid over braid.
Above-mentioned rolling ball method comprises the following steps：
1）, in engine room cover afterbody B, level ground position is starting point vertically downward, make h herer=45m is radius spin.
Described ball radius hr=45m, is pressed《Code for design of lightning protection of buildings》The classification relevant provision of GB50057-2010 buildings,
To ball radius hrValue.Wherein, first kind building is hr=30 meters, the second class building is hr=45 meters, third-class structure
Thing is hr=60 meters.
2）, using hr=45m is that radius is used as spin, and any is tangential on pylon, and another point is tangential on engine room cover afterbody lower section
Level ground.
3）, with hr=45m spin up rolls along pylon below cabin afterbody, when spin is below cabin afterbody
When, have a little tangent with pylon, tangent below another point and engine room cover afterbody, it is its protection domain that in-between arc extent is interior.
4）, below the engine room cover afterbody points of tangency as engine room cover lighting protection arrester one at installation site.
5）, with hrRadius spin continues on engine room cover rolling, when spin is a little tangential on engine room cover upper rear, separately
Any is tangential on lightning rod at the top of engine room cover, with being it in lightning rod points of tangency arc extent at the top of engine room cover afterbody to engine room cover
Protection domain.
6）, engine room cover upper rear and another place installation site of the spin points of tangency as engine room cover lighting protection arrester.
7）, with hrRadius spin is moved at the top of engine room cover along engine room cover, and spin is a little tangential at the top of engine room cover
Lightning rod, another point are then tangential on blade, and engine room cover tip position need not install arrester device, and the spin and pylon are tangent
It is its protection domain that point, which is arrived in the range of the point camber line of level ground, and protection domain is a symmetrical cone.
8）, apart from ground hrPlace makees a straight line L1 parallel to ground, perpendicular to pylon.
9）, with hrIt is tangent as ball, its camber line and straight line L, pylon for radius.
10）, apart from ground hrPlace makees a straight line L2 parallel to ground, perpendicular to pylon.
11）, with hrIt is tangent as ball, its camber line and straight line L2, pylon, engine room cover for radius.
12）, engine room cover points of tangency be engine room cover arrester installation site, when thunder and lightning is attacked from engine room cover rear right
When, thunder point is drawn in arrester conduct herein.
Similarly, when thunder and lightning from engine room cover rear left or right side to attack when, on cabin caudal side vertically downward flatly
Face position is starting point, makees h herer=45m is radius spin.With hr=45m spin is up rolled along pylon below cabin afterbody
It is dynamic.When spin is on the left of cabin or during lower right-hand side, have a little tangent with pylon, another point and engine room cover side lower section are tangent,
It is its protection domain in in-between arc extent.Below engine room cover caudal side points of tangency as engine room cover lighting protection arrester wherein
Installation site at one.With hrRadius spin continues on engine room cover rolling, when spin is a little tangential on above engine room cover side,
Any is tangential on lightning rod, another point at the top of engine room cover and is tangential on blade.On the left of engine room cover or right side exposes close to afterbody side
In the range of thunderbolt.
Embodiment 2:
Reference picture 2 is to shown in Fig. 7, a kind of engine room cover of wind turbine lightning-protection system of the invention, including engine room cover 1 with
And the arrester device 2 installed in the rear end of engine room cover 1, the arrester device 2 include framework 5 and on frameworks 5
Lightning rod 6, the bottom of framework 5 are connected to earth cable 7, and the earth cable 7 is connected on the base in cabin.The engine room cover
Lighting protection arrester 3 is installed in 1 rear end by the design method described in embodiment 1, is connected between the lighting protection arrester 3 by wire 4
Connect and be connected with the earth cable 7, described wire 4 is specifically using copper braid over braid and inside engine room cover 1.
Further optimize such scheme, the lighting protection arrester 3 welds shape by three circular steel columns 8 by " T " font structure
Into its bottom is provided with installing plate 9, front end is provided with tip 10.Using the lighting protection arrester of " T " font structure, its is simple in construction, and
And the lightning for dodging left and right, upper three directions can be connect, unit safety is improved, meanwhile, cost is relatively low, is easy to implement.
Further optimize such scheme, framework 5 described in described arrester device 2 include vertical pole 11, leger 12 with
And the telescopic lever 13 being rotatablely connected with leger 11, the both ends of leger 12 are respectively mounted lightning rod 6.Installation two is kept away simultaneously
Thunder pin 6 is more fully to protect engine room cover.The upper end of lightning rod 6 is fixedly connected with the handrail 14 being welded on leger 12,
By the further firm lightning rod 6 of handrail 14, prevent from being blown down by strong wind.The top of lightning rod 6 at the both ends is provided with small cross bar
15, anemobiagraph 16, anemoscope 17 are installed in the small both ends of cross bar 15 respectively.The extension 18 at the both ends of leger 12 is pacified respectively
Fill aviation obstruction beacon 19.2 anemobiagraphs 16 are installed simultaneously, anemoscope 17 is advantageous in that：Even if one of failure, another
It can be continuing with, not influence to measure.The bottom of vertical pole 11 connects big ear stud 20, and the big ear stud 20 passes through bolt
It is connected with backing plate 21.Installed instead of prior welding mode, make installation, replacing more convenient.The lightning rod 6 is set in sleeve pipe 22
Above and by fixing device fix, described sleeve pipe 22 is fixed on leger 12 and handrail 14.Described fixing device ideal is adopted
With the stainless steel pin being arranged on sleeve pipe and split pin, and it is arranged on the pin of the bottom of lightning rod 6.When lightning rod 6, wind speed
When instrument 16 or anemoscope 17 are out of order, without whole device is pulled down, as long as taking down fixing device, by lightning rod downslide more commutation
Equipment is closed, substantially increases the convenience of maintenance.
It is upper described, any formal limitation not is done to invention, although invention is disclosed as above with preferable case study on implementation,
But be not limited to invent, any person skilled in the art, without departing from the scope of the present invention, when
A little change is made using the structure and technology contents of the disclosure above or is modified to the equivalence enforcement case of equivalent variations, but
It is every content without departing from technical solution of the present invention, the technical spirit according to the present invention is made any to above case study on implementation
Simple modification, equivalent change and modification, still belong in the range of inventive technique scheme.
Claims (9)
1. a kind of engine room cover of wind turbine lightning-protection system design method, including engine room cover（1）And installed in engine room cover（1）
The arrester device of rear end（2）, it is characterised in that：Engine room cover weak spot is found by rolling ball method, and installed in weak spot position
Lighting protection arrester（3）, pass through engine room cover lighting protection arrester（3）Design and arrangement, and with being located at engine room cover（1）Internal wire
（4）Connection, makes engine room cover（1）Form faraday cage；
Described rolling ball method comprises the following steps：
1）, in engine room cover afterbody, level ground position is starting point vertically downward；
2）, use radius as hrSpin, any is tangential on pylon, and another point is tangential on engine room cover afterbody lower horizontal ground；
3）, up roll along pylon below engine room cover afterbody with spin, when spin is below cabin afterbody, have a little with
Pylon is tangent, and another point is its protection domain in in-between arc extent with tangent below engine room cover afterbody；
4）, below the engine room cover afterbody points of tangency as engine room cover lighting protection arrester wherein one at installation site；
5）, continue on spin engine room cover rolling, when spin is a little tangential on engine room cover upper rear, another point is tangential on
Lightning rod at the top of engine room cover, engine room cover upper rear and another place installation position of the spin points of tangency as engine room cover lighting protection arrester
Put；
6）, as spin is moved at the top of engine room cover along engine room cover, spin is a little tangential on lightning rod at the top of engine room cover, another
Point is then tangential on blade, and engine room cover tip position need not installation arrester device.
2. design method according to claim 1, it is characterised in that：Described rolling ball method also comprises the following steps：
7）, apart from ground hrPlace makees a straight line L1 parallel to ground, perpendicular to pylon；
8）, with hrIt is tangent as ball, its camber line and straight line L1, pylon for radius；
9）, apart from ground hrPlace makees a straight line L2 parallel to ground, perpendicular to pylon；
10）, with hrIt is tangent as ball, its camber line and straight line L2, pylon, engine room cover for radius；
11）, engine room cover points of tangency be engine room cover arrester installation site.
3. a kind of engine room cover of wind turbine lightning-protection system, design method is realized according to claim 1, including engine room cover
（1）And installed in engine room cover（1）The arrester device of rear end（2）, the arrester device（2）Including framework（5）And peace
Mounted in framework（5）On lightning rod（6）, the framework（5）Bottom is connected to earth cable（7）, it is characterised in that：The engine room cover
（1）Rear end lighting protection arrester is installed by the rolling ball method（3）, the lighting protection arrester（3）Between pass through wire（4）Connection,
And with the earth cable（7）Connection, the wire（4）Installed in engine room cover（1）It is internal.
4. engine room cover of wind turbine lightning-protection system according to claim 3, it is characterised in that：The lighting protection arrester
（3）Pass through three circular steel columns（8）Weld to be formed by " T " font structure, its bottom is provided with installing plate（9）, front end be provided with tip
（10）.
5. engine room cover of wind turbine lightning-protection system according to claim 3, it is characterised in that：The framework（5）Including
Vertical pole（11）, leger（12）And and leger（11）The telescopic lever of rotation connection（13）, the leger（12）Both ends
It is respectively mounted lightning rod（6）.
6. engine room cover of wind turbine lightning-protection system according to claim 5, it is characterised in that：The lightning rod（6）
Upper end is with being welded on leger（12）On handrail（14）It is fixedly connected.
7. engine room cover of wind turbine lightning-protection system according to claim 5, it is characterised in that：Take shelter from the thunder at the both ends
Pin（6）Top is provided with small cross bar（15）, the small cross bar（15）Both ends are installed by anemobiagraph respectively（16）, anemoscope（17）, institute
State leger（12）The extension at both ends（18）Aviation obstruction beacon is installed respectively（19）.
8. engine room cover of wind turbine lightning-protection system according to claim 5, it is characterised in that：The vertical pole（11）Bottom
Portion connects big ear stud（20）, the big ear stud（20）Pass through bolt and backing plate（21）Connection.
9. engine room cover of wind turbine lightning-protection system according to claim 6, it is characterised in that：The lightning rod（6）
It is set in sleeve pipe（22）Above and by fixing device fix, described sleeve pipe（22）It is fixed on leger（12）And handrail（14）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017283.XA CN105443324B (en) | 2016-01-12 | 2016-01-12 | A kind of engine room cover of wind turbine lightning-protection system design method and lightning-protection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017283.XA CN105443324B (en) | 2016-01-12 | 2016-01-12 | A kind of engine room cover of wind turbine lightning-protection system design method and lightning-protection system |
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| CN105443324A CN105443324A (en) | 2016-03-30 |
| CN105443324B true CN105443324B (en) | 2018-01-30 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640552B (en) * | 2016-12-29 | 2019-07-05 | 北京金风科创风电设备有限公司 | Cabin cover and wind generating set comprising same |
| JP6573923B2 (en) | 2017-02-10 | 2019-09-11 | エムエイチアイ ヴェスタス オフショア ウィンド エー／エス | Wind power generation facility and method of operating wind power generation facility |
| CN111963390A (en) * | 2020-08-16 | 2020-11-20 | 张晓卫 | Lightning arrester for wind generating set |
| CN117734963B (en) * | 2024-02-19 | 2024-04-26 | 成都以太航空保障工程技术有限责任公司 | Helicopter rotor wing common taper detection method and device |
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| CN101490412A (en) * | 2006-07-14 | 2009-07-22 | 维斯塔斯风力系统有限公司 | Wind turbine comprising enclosure structure formed as a faraday cage |
| CN204373640U (en) * | 2015-01-23 | 2015-06-03 | 哈尔滨理工大学 | Based on the anti-lightning zone dip stick of rolling ball method design |
| CN105209753A (en) * | 2013-05-24 | 2015-12-30 | Lmwp专利控股有限公司 | A lightning protection system for a wind turbine blade |
| CN205277718U (en) * | 2016-01-12 | 2016-06-01 | 华仪风能有限公司 | Wind generating set cabin cover lightning protection system |
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- 2016-01-12 CN CN201610017283.XA patent/CN105443324B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101490412A (en) * | 2006-07-14 | 2009-07-22 | 维斯塔斯风力系统有限公司 | Wind turbine comprising enclosure structure formed as a faraday cage |
| CN105209753A (en) * | 2013-05-24 | 2015-12-30 | Lmwp专利控股有限公司 | A lightning protection system for a wind turbine blade |
| CN204373640U (en) * | 2015-01-23 | 2015-06-03 | 哈尔滨理工大学 | Based on the anti-lightning zone dip stick of rolling ball method design |
| CN205277718U (en) * | 2016-01-12 | 2016-06-01 | 华仪风能有限公司 | Wind generating set cabin cover lightning protection system |
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