CN106762467B - A kind of lightning protection system for wind power generation plant - Google Patents
A kind of lightning protection system for wind power generation plant Download PDFInfo
- Publication number
- CN106762467B CN106762467B CN201611147730.XA CN201611147730A CN106762467B CN 106762467 B CN106762467 B CN 106762467B CN 201611147730 A CN201611147730 A CN 201611147730A CN 106762467 B CN106762467 B CN 106762467B
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- Prior art keywords
- electric field
- shielding case
- field shielding
- wind
- flashing pin
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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 invention discloses a kind of lightning protection systems for wind power generation plant, including the electric field shielding case being mounted on the outside of wind-driven generator unit, after flashing pin wherein is installed at the top of electric field shielding case, wherein the tip height of after flashing pin is greater than the height of wind generator set blade；It is also equipped in after flashing pin and connects sudden strain of a muscle ball；The bottom of the after flashing pin is connected with earth lead, and the earth lead is mounted in electric field shielding case, the electric field shielding case uses composite construction, the present invention effectively draws thunder with sudden strain of a muscle ball realization is connect by after flashing pin, the phenomenon that electric field shielding case is being set at the wind-driven generator unit simultaneously, wind-driven generator unit internal circuit element will not caused to burn the high current of earth lead is when leaking in this way.
Description
Technical field
The present invention relates to wind power plant, specifically a kind of lightning protection system for wind power generation plant.
Background technique
Due to the fast development of modern science and technology, the single-machine capacity of wind power generating set is increasing, in order to absorb more
With increasing, opposite also increases the risk being struck by lightning for multipotency amount, hub height and impeller diameter, is struck by lightning in nature
A kind of maximum disaster is endangered to wind power generating set safe operation.The huge energy of thunder and lightning release will cause wind power generating set
Blade damage, generator insulating breakdown, control component are burnt.China's Coastal Areas is with a varied topography, and thunderstorm day is more, Ying Chong
Divide and payes attention to lightning stroke to wind-force Wind turbines and operations staff's bring grave danger.For example, Honghai Bay, Guangdong wind power plant be constructed and put into operation to
Multiple lightning stroke incident has occurred in the present, and according to statistics, blade is hit rate up to 4%, other communication electric elements are more up to by the rate of hitting
20%.In order to reduce the loss of natural calamity bring, it is necessary to fully understand it, and make the targeted precautionary measures.Blower
Lightning protection be a comprehensive lightening protection engineering, lightning Protection Design in place whether, be directly related to blower energy in thunderstorm weather
No normal work, and ensure that the various equipment in blower are without damage etc..
Summary of the invention
The purpose of the present invention is to provide a kind of lightning protection systems for wind power generation plant, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of lightning protection system for wind power generation plant, including the electric field shielding being mounted on the outside of wind-driven generator unit
Case is wherein equipped with after flashing pin at the top of electric field shielding case, and wherein the tip height of after flashing pin is greater than wind generator set blade
Height；It is also equipped in after flashing pin and connects sudden strain of a muscle ball；The bottom of the after flashing pin is connected with earth lead, and the earth lead is installed
In electric field shielding case, the electric field shielding case use composite construction, outside be made of insulating ceramics, inside using gold
Belong to conductor to constitute, and internal structure made of metallic conductor is in chondritic, and earth lead is arranged inside the sphere structure；
The outboard end of earth lead is also connected with ground line, effectively draws thunder with sudden strain of a muscle ball realization is connect by after flashing pin, while close to wind
Electric field shielding case is set at power generator unit, wind will not be caused the high current of earth lead is when leaking in this way
The phenomenon that power generator unit internal circuit element is burnt.
As a further solution of the present invention: the after flashing pin is fixedly mounted on the outer fix of electric field shielding case, and connects
It dodges between needle and electric field shielding case and is connected in the form of riveted.
As further scheme of the invention: the interior metal conductor of the electric field shielding case is made of copper oxide.
Compared with prior art, the beneficial effects of the present invention are: the present invention is by after flashing pin and connects the realization of sudden strain of a muscle ball effectively
Draw thunder, while electric field shielding case is being set at wind-driven generator unit, even if occurring in this way in the high current of earth lead
The phenomenon that wind-driven generator unit internal circuit element will not be caused to burn when leakage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the lightning protection system for wind power generation plant of the present invention.
Specific embodiment
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 description, 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.
Referring to Fig. 1, in the embodiment of the present invention, a kind of lightning protection system for wind power generation plant, including it is mounted on wind
The electric field shielding case 5 in 2 outside of power generator unit, wherein the top of electric field shielding case 5 is equipped with after flashing pin 3, wherein after flashing pin 3
Tip height be greater than wind generator set blade 1 height；It is also equipped with to connect in after flashing pin 3 and dodges ball 4；The after flashing pin 3
Bottom is connected with earth lead 5, and the earth lead 5 is mounted in electric field shielding case 5, and the electric field shielding case 5 is using multiple
Close structure, outside be made of insulating ceramics, inside is constituted using metallic conductor, and internal structure made of metallic conductor is in
Chondritic, and earth lead 5 is arranged inside the sphere structure；The outboard end of earth lead 5 is also connected with ground line 7, leads to
It crosses after flashing pin 3 and connects to dodge ball 4 and realize and effectively draw thunder, while electric field shielding case 5 is being set at wind-driven generator unit 2,
2 internal circuit element of wind-driven generator unit will not be caused to go out the high current of earth lead 5 is when leaking in this way
The phenomenon that now burning.
The after flashing pin 3 is fixedly mounted on the outer fix of electric field shielding case 5, and between after flashing pin 3 and electric field shielding case 5
It is connected in the form of riveted.
The interior metal conductor of the electric field shielding case 5 is made of copper oxide.
The working principle of the invention is: by after flashing pin 3 and connecing to dodge ball 4 and realize and effectively draws thunder, while close to wind-force
Electric field shielding case 5 is set at generator unit 2, will not be caused the high current of earth lead 5 is when leaking in this way
The phenomenon that 2 internal circuit element of wind-driven generator unit is burnt.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (1)
1. a kind of lightning protection system for wind power generation plant, which is characterized in that including being mounted on the outside of wind-driven generator unit
Electric field shielding case, after flashing pin wherein is installed at the top of electric field shielding case, wherein the tip height of after flashing pin greater than wind-force send out
The height of electric turbines vane；It is also equipped in after flashing pin and connects sudden strain of a muscle ball；The bottom of the after flashing pin is connected with earth lead, and this connects
Ground wire is mounted in electric field shielding case, the electric field shielding case use composite construction, outside be made of insulating ceramics,
Inside is constituted using metallic conductor, and internal structure made of metallic conductor is in chondritic, and earth lead is along the spherical knot
Arrangement inside structure；The outboard end of earth lead is also connected with ground line；The after flashing pin is fixedly mounted on the outer of electric field shielding case
Side position, and be connected in the form of riveted between after flashing pin and electric field shielding case；The interior metal of the electric field shielding case
Conductor is made of copper oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611147730.XA CN106762467B (en) | 2016-12-13 | 2016-12-13 | A kind of lightning protection system for wind power generation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611147730.XA CN106762467B (en) | 2016-12-13 | 2016-12-13 | A kind of lightning protection system for wind power generation plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762467A CN106762467A (en) | 2017-05-31 |
| CN106762467B true CN106762467B (en) | 2019-11-15 |
Family
ID=58880875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611147730.XA Expired - Fee Related CN106762467B (en) | 2016-12-13 | 2016-12-13 | A kind of lightning protection system for wind power generation plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762467B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113939B (en) * | 2018-07-16 | 2021-02-09 | 北京乾源风电科技有限公司 | Laser lightning-triggering discharge system for wind power generation device |
| CN109209788A (en) * | 2018-09-28 | 2019-01-15 | 方占萍 | It is a kind of can lightning protection wind power generating set and its monitoring device |
| CN111963390A (en) * | 2020-08-16 | 2020-11-20 | 张晓卫 | Lightning arrester for wind generating set |
| CN115149403A (en) * | 2022-07-06 | 2022-10-04 | 中广核(东至)新能源有限公司 | Lightning current transfer system and wind turbine using the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463802A (en) * | 2007-12-21 | 2009-06-24 | 广东明阳风电技术有限公司 | Lightning protection system for wind generator set |
| KR20120002280A (en) * | 2010-06-30 | 2012-01-05 | 한국전력공사 | Lightning protection system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199546C (en) * | 2001-11-07 | 2005-04-27 | 华为技术有限公司 | Method and device of suppressing electromagnetic induction of lighthing current |
| CN201250764Y (en) * | 2008-09-25 | 2009-06-03 | 戴达华 | Generator integrated with wind power generation, solar generation and lighting rod |
| DE202010009461U1 (en) * | 2010-06-23 | 2010-09-16 | Nordex Energy Gmbh | Device for heating weather masts |
-
2016
- 2016-12-13 CN CN201611147730.XA patent/CN106762467B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463802A (en) * | 2007-12-21 | 2009-06-24 | 广东明阳风电技术有限公司 | Lightning protection system for wind generator set |
| KR20120002280A (en) * | 2010-06-30 | 2012-01-05 | 한국전력공사 | Lightning protection system |
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| Publication number | Publication date |
|---|---|
| CN106762467A (en) | 2017-05-31 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 Termination date: 20211213 |