CN201125843Y - Lightning protection protective system of wind generating set - Google Patents
Lightning protection protective system of wind generating set Download PDFInfo
- Publication number
- CN201125843Y CN201125843Y CNU200720061832XU CN200720061832U CN201125843Y CN 201125843 Y CN201125843 Y CN 201125843Y CN U200720061832X U CNU200720061832X U CN U200720061832XU CN 200720061832 U CN200720061832 U CN 200720061832U CN 201125843 Y CN201125843 Y CN 201125843Y
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- China
- Prior art keywords
- lightning
- wind power
- generating set
- frame
- power generating
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- 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.)
- Expired - Fee Related
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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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
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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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- 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)
- Wind Motors (AREA)
Abstract
The utility model discloses a lightning preventing system of wind power generator set, and relates to a tower frame which is provided with an engine room of the generator at the upper end. The engine room is provided with a frame which is provided with the generator that is connected with a gear box through a high-speed coupler. The gear box is connected with a wheel spider which is provided with a principal axis. The invention is characterized in that the inner part of the blade and the engine room are provided with a lightening receiver and a conductor device. The wheel spider, the principal axis, the gear box, the frame and the tower frame are provided with electric discharging devices. The lightening receiver and the conductor device are electrically connected with the electric discharging devices which are electrically connected with the earthing device arranged underground. The aim of the utility model is to overcome the damage of the instantaneous huge current and voltage to the wind power generator set in lightning, especially the damage to the 1.5MW variable-velocity constant-frequency double-feedback asynchronous wind power generator set. The utility model provides a lightning preventing system which effectively prevents the damage of the lightening to the wind power generator.
Description
Technical field
The utility model relates to a kind of lightning protection protective system that is applicable to wind power generating set.
Background technique
Wind-power electricity generation is as a kind of energy industry of environmental protection, in modern energy-intensive society, more and more come into one's own, investment to wind-driven generator is also increasing, and well-known, wind power generating set generally is installed in the field spacious ground district, because it is generally high building, so as easy as rolling off a log the thunderbolt, particularly in high lightning region, thunder and lightning is more serious to the harm of wind power generating set.And the existing lightning-protection system that is used for wind-driven generator is difficult to eliminate the influence of its powerful electric current of thunder and lightning to each parts of wind power generating set; tend to cause great loss; particularly for 1.5MW variable speed constant frequency dual-feed asynchronous wind power generator group; because it is provided with many have accurate machinery and electrical equipments; that loss is huge if be struck by lightning, and every profession and trade does not have reasonable manner for the lightning protection of the double-fed asynchronous generator of 1.5MW at present.So existing lightning protection system for wind generator set awaits further improvement.
The model utility content
The purpose of this utility model be for overcome its moment of thunderbolt huge electric current and voltage to wind power generating set; the particularly harm that brings of 1.5MW variable speed constant frequency dual-feed asynchronous wind power generator group provides a kind of lightning protection protective system of the infringement that wind-driven generator is brought of effectively avoiding being struck by lightning.
To achieve the above object, the utility model adopts following scheme:
A kind of wind power generating set lightning-protection system, include a pylon, be provided with the generator cabin in the upper end of pylon, be provided with frame in described cabin, on frame, be provided with generator, described generator is connected with gear-box by the high speed shaft joint, described gear-box is connected with the wheel hub that is provided with blade by main shaft, it is characterized in that: on described blade interior and cabin, be provided with thunder and lightning acceptor and conductor means, at described wheel hub, main shaft, gear-box, frame and pylon are provided with electric discharge device, described thunder and lightning acceptor and conductor means are electrically connected with electric discharge device, described electric discharge device be arranged on underground earthed system and be electrically connected.
Aforesaid wind power generating set lightning-protection system is characterized in that described blade, wheel hub, main shaft, frame and pylon are electrically connected successively.
Aforesaid wind power generating set lightning-protection system is characterized in that thunder and lightning acceptor and the conductor means on the cabin is located on the meteorological mast, and is electrically connected with electric discharge device in frame and the pylon.
Aforesaid wind power generating set lightning-protection system is characterized in that described blade, wheel hub, main shaft, gear-box, frame and pylon are electrically connected successively.
Aforesaid wind power generating set lightning-protection system is characterized in that being provided with mask net on its outer cover of cabin, and described mask net top is provided with a dismountable mask net piece, and described mask net is connected with earthed system by electric discharge device.
Aforesaid wind power generating set lightning-protection system is characterized in that described electric discharge device is the copper braid.
Aforesaid wind power generating set lightning-protection system is characterized in that described electric discharge device is the ground connection copper brush.
Aforesaid wind power generating set lightning-protection system is characterized in that described electric discharge device is an earth cable.
The beneficial effects of the utility model: be provided with thunder and lightning acceptor and electric installation in its blade interior of wind power generating set and nacelle top, on its outer cover of cabin, be provided with mask net, and each parts that is arranged in the cabin all are connected with earthed system by electric discharge device, effectively the powerful conduction of current that thunderbolt is produced arrives the earth, eliminate the influence of thunder and lightning, guaranteed the safety of generator system each parts of wind power generating set.
Description of drawings
Fig. 1 is a schematic representation of the present utility model;
Fig. 2 is the schematic representation of mask net in the utility model.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is further described:
A kind of wind power generating set lightning-protection system as shown in Figure 1, include a pylon 1, be provided with generator cabin 2 in the upper end of pylon 1, be provided with frame 3 in described cabin 2, on frame 3, be provided with generator 4, described generator 4 is connected with gear-box 6 by high speed shaft joint 5, described gear-box 6 is connected with the wheel hub 9 that is provided with blade 8 by main shaft 7, it is characterized in that: on described blade 8 inside and cabin 2, be provided with thunder and lightning acceptor and conductor means, at described wheel hub 9, main shaft 7, gear-box 6, frame 3 and pylon 1 are provided with electric discharge device 10, described thunder and lightning acceptor and conductor means are electrically connected with electric discharge device 10, described electric discharge device 10 be arranged on underground earthed system 11 and be electrically connected.
Wherein thunder and lightning acceptor on the cabin 2 and conductor means are located on the meteorological mast 12, and thunder and lightning acceptor in the meteorological mast 12 and conductor means are electrically connected with electric discharge device 10 in frame 3 and the pylon 1.The lightning current conducting path that directly hits meteorological mast is: meteorological mast 12-frame 3-tower tube 1-earthed system 11.
Wherein the utility model is provided with mask net 13 on 2 its outer covers of cabin, and described mask net 13 tops are provided with a dismountable mask net piece 14, and described mask net 13 is connected with earthed system 11 by electric discharge device 10.Electric discharge device 6 described in the utility model is one or more in copper braid, ground connection copper brush, the earth cable.
In Fig. 1, between its fan blade 8 of 1.5MW dual-feed asynchronous wind power generator group and wheel hub 9, be connected with the copper braid.Ground connection copper brush and copper braid are installed between the spindle lock plate edge of main shaft 8 front ends and frame 3.Driftage Bearing Installation ground connection copper brush and copper braid between driftage brake disc and the tower tube 1.Use 240mm between generator 4 its stator groundings, frame 3, tower tube 1 its foundation ring and the ground networks
2Cable connects.Between meteorological mast 12, generator 4 its rotor ground faults, gear-box 6 and frame 3, use 75mm
2Yellowish green earth cable connects.Use 75mm between each layer tower tube 1 flange junction surface
2Yellowish green earth cable connects.
The lightning current that directly hits blade 8 or meteorological mast 12 can be imported earthed system safely by above-mentioned Placement in the utility model.Can avoid blade bearing, main shaft bearing and driftage bearing by this conducting path lightning current, avoid it is caused damage.
Claims (8)
1, a kind of wind power generating set lightning-protection system, include a pylon (1), be provided with generator cabin (2) in the upper end of pylon (1), be provided with frame (3) in described cabin (2), on frame (3), be provided with generator (4), described generator (4) is connected with gear-box (6) by high speed shaft joint (5), described gear-box (6) is connected with the wheel hub that is provided with blade (8) (9) by main shaft (7), it is characterized in that: on described blade (8) inside and cabin (2), be provided with thunder and lightning acceptor and conductor means, in described wheel hub (9), main shaft (7), gear-box (6), frame (3) and pylon (1) are provided with electric discharge device (10), described thunder and lightning acceptor and conductor means are electrically connected with electric discharge device (10), described electric discharge device (10) be arranged on underground earthed system (11) and be electrically connected.
2, wind power generating set lightning-protection system according to claim 1 is characterized in that described blade (8), wheel hub (9), main shaft (7), frame (3) and pylon (1) are electrically connected successively.
3, wind power generating set lightning-protection system according to claim 1 is characterized in that thunder and lightning acceptor and the conductor means on the cabin (2) is located on the meteorological mast (12), and is electrically connected with electric discharge device (10) in frame (3) and the pylon (1).
4, wind power generating set lightning-protection system according to claim 1 is characterized in that described blade (8), wheel hub (9), main shaft (7), gear-box (6), frame (3) and pylon (1) are electrically connected successively.
5, wind power generating set lightning-protection system according to claim 1, it is characterized in that on its outer cover of cabin (2), being provided with mask net (13), described mask net (13) top is provided with a dismountable mask net piece (14), and described mask net (13) is connected with earthed system (11) by electric discharge device (10).
6,, it is characterized in that described electric discharge device (6) is the copper braid according to claim 1 or 3 or 5 described wind power generating set lightning-protection systems.
7,, it is characterized in that described electric discharge device (6) is the ground connection copper brush according to claim 1 or 3 or 5 described wind power generating set lightning-protection systems.
8,, it is characterized in that described electric discharge device (6) is an earth cable according to claim 1 or 3 or 5 described wind power generating set lightning-protection systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720061832XU CN201125843Y (en) | 2007-12-21 | 2007-12-21 | Lightning protection protective system of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720061832XU CN201125843Y (en) | 2007-12-21 | 2007-12-21 | Lightning protection protective system of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201125843Y true CN201125843Y (en) | 2008-10-01 |
Family
ID=39999312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720061832XU Expired - Fee Related CN201125843Y (en) | 2007-12-21 | 2007-12-21 | Lightning protection protective system of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201125843Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101588059B (en) * | 2009-04-23 | 2011-03-23 | 沈阳瑞祥风能设备有限公司 | Lightning protection-grounding integrated protection system |
| CN101463802B (en) * | 2007-12-21 | 2011-05-18 | 广东明阳风电技术有限公司 | Lightning protection system for wind generator set |
| CN101852186B (en) * | 2009-03-09 | 2012-05-30 | 汉德风电设备(阜宁)有限公司 | Wind power blade lightning-guide cable connecting method and wind power blade using same |
| CN102788095A (en) * | 2012-07-25 | 2012-11-21 | 大连冶金轴承股份有限公司 | Internal gear yaw bearing capable of preventing lightening strikes |
| CN102788094A (en) * | 2012-07-25 | 2012-11-21 | 大连冶金轴承股份有限公司 | External gear yaw bearing capable of preventing lightening strikes |
| CN103161688A (en) * | 2011-12-16 | 2013-06-19 | 远景能源（江苏）有限公司 | A wind turbine nacelle cover and a method for installing a generator on a mainframe in a nacelle |
| CN104405594A (en) * | 2014-11-17 | 2015-03-11 | 中国第一重型机械股份公司 | Direct-driven fan with lightning protection function |
| EP3712429A1 (en) * | 2019-03-22 | 2020-09-23 | Siemens Gamesa Renewable Energy A/S | Lightning protection for a direct drive wind turbine |
| EP3786451A1 (en) * | 2019-08-28 | 2021-03-03 | Siemens Gamesa Renewable Energy A/S | Wind turbine |
-
2007
- 2007-12-21 CN CNU200720061832XU patent/CN201125843Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463802B (en) * | 2007-12-21 | 2011-05-18 | 广东明阳风电技术有限公司 | Lightning protection system for wind generator set |
| CN101852186B (en) * | 2009-03-09 | 2012-05-30 | 汉德风电设备(阜宁)有限公司 | Wind power blade lightning-guide cable connecting method and wind power blade using same |
| CN101588059B (en) * | 2009-04-23 | 2011-03-23 | 沈阳瑞祥风能设备有限公司 | Lightning protection-grounding integrated protection system |
| US9458820B2 (en) | 2011-12-16 | 2016-10-04 | Envision Energy (Denmark) Aps | Wind turbine nacelle cover and a method for installing a generator on a mainframe in a nacelle |
| CN103161688A (en) * | 2011-12-16 | 2013-06-19 | 远景能源（江苏）有限公司 | A wind turbine nacelle cover and a method for installing a generator on a mainframe in a nacelle |
| CN103161688B (en) * | 2011-12-16 | 2016-05-11 | 远景能源（江苏）有限公司 | Wind turbine nacelle cover and the method that generator is installed on the mainframe of cabin |
| CN102788095A (en) * | 2012-07-25 | 2012-11-21 | 大连冶金轴承股份有限公司 | Internal gear yaw bearing capable of preventing lightening strikes |
| CN102788094A (en) * | 2012-07-25 | 2012-11-21 | 大连冶金轴承股份有限公司 | External gear yaw bearing capable of preventing lightening strikes |
| CN104405594A (en) * | 2014-11-17 | 2015-03-11 | 中国第一重型机械股份公司 | Direct-driven fan with lightning protection function |
| EP3712429A1 (en) * | 2019-03-22 | 2020-09-23 | Siemens Gamesa Renewable Energy A/S | Lightning protection for a direct drive wind turbine |
| US11852121B2 (en) | 2019-03-22 | 2023-12-26 | Siemens Gamesa Renewable Energy A/S | Lightning protection for a direct drive wind turbine |
| EP3786451A1 (en) * | 2019-08-28 | 2021-03-03 | Siemens Gamesa Renewable Energy A/S | Wind turbine |
| CN112443463A (en) * | 2019-08-28 | 2021-03-05 | 西门子歌美飒可再生能源公司 | Wind turbine |
| US11578702B2 (en) | 2019-08-28 | 2023-02-14 | Siemens Gamesa Renewable Energy A/S | Lightning protection system for wind turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jilin Mingyang Datong Wind Power Technology Co., Ltd. Assignor: Guangdong Mingyang Wind Electrical Technology Co., Ltd. Contract fulfillment period: 2008.11.9 to 2015.11.9 Contract record no.: 2009220000044 Denomination of utility model: Lightning protection system for wind generator set Granted publication date: 20081001 License type: Exclusive license Record date: 20090623 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.9 TO 2015.11.9; CHANGE OF CONTRACT Name of requester: JILIN MINGYANG DATONG WIND POWER TECHNOLOGY CO., L Effective date: 20090623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20151221 |
|
| EXPY | Termination of patent right or utility model |