EP3500755A1 - Wind turbine - Google Patents
Wind turbineInfo
- Publication number
- EP3500755A1 EP3500755A1 EP17765432.4A EP17765432A EP3500755A1 EP 3500755 A1 EP3500755 A1 EP 3500755A1 EP 17765432 A EP17765432 A EP 17765432A EP 3500755 A1 EP3500755 A1 EP 3500755A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wind turbine
- light source
- turbine according
- light
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/10—Arrangements for warning air traffic
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
-
- 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
Definitions
- the invention relates to a wind turbine with at least one Be ⁇ lighting device having a light source and an Ab- beam means, wherein the light source and the Ab ⁇ are arranged at different positions of the wind turbine radiating device.
- Light source as easy as possible repaired and / or maintained
- a corresponding lighting device does not conflict with other devices or tasks related to the wind turbine, such as landing a helicopter on a platform of the wind turbine.
- the invention is therefore based on the object of specifying a demge ⁇ compared improved wind turbine.
- the invention provides for a wind turbine of the type mentioned that Wenig ⁇ a positioning device is provided tens, which is so coupled to the Abstrahleinrich ⁇ processing by means of a positioning section, that the radiating means by a movement of the positioning between a first Po ⁇ position and a second position is movable.
- the ⁇ the radiating means which radiates the light used for illumination or labeling of the wind turbine in the corresponding direction is movable between a first and a second position.
- the minimum requirement for the distance between the highest point of the wind turbine and the emission device can be maintained.
- maintenance of the emission device or a repair thereof can be carried out without difficulty.
- the Abstrahlein ⁇ direction can be moved into position so that it can be easily reached by a maintenance personnel.
- the movable emission device is connected to the light source by means of an optical waveguide.
- the emitting device which is located at a different position on the wind turbine than the light source, can thus be connected or coupled by means of an optical waveguide with this.
- This offers on the one hand the advantage that even with fluctuations of the positioning device on which the emission device is arranged, the entire light of the light source is always directed into the emission device, since the optical waveguide can be moved with occurring fluctuations with the positioning device.
- the embodiment is advantageous because, in contrast to a
- the optical waveguide is formed for example of glass fiber.
- the light source and the Ab- radiation device are arranged together on the position portion.
- the positioning section as rela ⁇ tively movable to a nacelle of the wind turbine, z. B.
- the emission device is arranged on the mast, for example at the top of the mast, wherein the light source can be arranged below the mast or in the region of its foot.
- the optical waveguide can run, for example, inside the mast.
- the mast is at least partially retractable into the nacelle.
- the first position of the emitting device, the extended position and the second position represent the retracted position, or vice versa.
- the mast can be moved outside the wind turbine. As a result, the mast is not retracted into the nacelle, but moved outside the nacelle.
- the method or moving the mast is approximately parallel to the vertical direction of the wind turbine. For the procedure of the mast outside the nacelle, the Windturbi ⁇ ne to a corresponding holder or positioning device, which allows the process outside the nacelle.
- the mast can be assigned at least one fastening means, in particular a cable, which fixes the mast to the nacelle and / or a vibration of the mast vertically reduced to the direction of movement.
- the attachment means causes so that the mast can be less vibrated, since this is braced to some extent with the nacelle.
- the fastening means is designed such that it does not affect the mobility of the mast in its direction of movement.
- the motion ⁇ direction is the direction in which the mast can be moved in order to move the Abtrahl observed between the first and the second position.
- the positioning device can be assigned a plurality of emission devices and / or a plurality of light sources. This offers the advantage that characters or signals in different colors or wavelengths can be output at the emission device or the plurality of emission devices.
- the individual emitting devices can be located at different positions of the
- a particularly preferred embodiment of the wind turbine according to the invention provides that a plurality of positioning sections, each having at least one emitting device are arranged on the wind turbine, that at the level of the at least one emitting device regardless of the position of a rotor of the wind turbine at least one emission device from each direction is visible. This ensures that a flying object approaching the wind turbine can not be in a blind spot, but always at least one emitting device is visible from every direction. Otherwise could, for example when the rotor is stationary, which we ⁇ iquess be hidden behind the rotor, a radiating means, so that an approaching airborne object can not register the Abstrahlein ⁇ direction or the light emitted from the light radiating means. Due to the design is provided that regardless of the position of the rotor
- Visibility of the at least one emitting device is guaranteed from ⁇ each direction.
- the illumination device assigned to it in particular the emission device, achieves or exceeds an effective operating light intensity of 100 cd in the case of a deviation from the horizontal by ⁇ 5 °.
- the emission device comprises at least one optical system, in particular a prism and / or a lens.
- the radiated light can be modified accordingly, so that the light distribution generated improves the visibility of the wind turbine or the signal generated by the illumination device.
- At least one lightning conductor is assigned to the positioning device.
- the lightning conductor can at least one flash and / or at least one
- the lightning arrester particularly preferably protrudes in the vertical direction over the positioning section and that on the
- Positioning section arranged emitting device addition.
- the lightning arrester in particular the lightning section of the lightning arrester, thus forms the highest point of the positioning device.
- the light source may be continuous or pulsed ⁇ be exaggerated.
- the requirements for securing the air traffic can be fulfilled, so that all prescribed light patterns or lighting patterns can be displayed.
- the light source can be synchronized with at least one light source associated with another wind turbine.
- a plurality of light sources which are assigned to individual wind turbines in a wind farm, can be synchronized with one another so that they simultaneously execute the corresponding illumination patterns with the same frequency.
- an emergency power supply can be at least pre see ⁇ means of which the light source can be operated. This makes it possible to operate the light source also in case of failure of the power grid or at the rotor is stationary, so that the safety of the air transport also remains ensured if the light source can not be provided with the usual Stromver ⁇ supply.
- a detecting means may be vorgese ⁇ hen, which is adapted to detect the time of day and / or to detect whether it is day or night and / or to detect a light intensity of the ambient light, wherein with ⁇ means of a control device, the light intensity of the Light source is controllable in dependence on the ambient light intensity. It is therefore possible according to this embodiment of the invention to detect the time of day or to detect whether it is day or night. Depending on the time of day before lie ⁇ gen changing lighting requirements of the wind turbine. In particular, the detection of a light ⁇ intensity of the ambient light can be effected, so that in dependence of the ambient light, the light intensity of the light source can be controlled.
- the light intensity can be determined, for example, by means of a photosensor.
- the light source is controllable in at least three modes, wherein the light intensity
- the light source of the wind turbine according to the invention can be designed to emit red light and / or white light and / or infrared light.
- the light source may be pulsed ⁇ thereby, in particular with 40 pulses per minute are operated.
- the wind turbine has a detection device which is adapted to detect objects, in particular flying objects, in the vicinity of the wind turbine, the light source is tax ⁇ bar in response to the detection result.
- the wind turbine has a detection device, so that a detection of objects in the environment of the wind turbine is possible. Thereby it can be ensured that the wind turbine approaching objects or can be detected in the environment of the wind turbine befin ⁇ Dende objects, and in particular flying objects such as aircraft or helicopter, so that the lighting ⁇ device, in particular the light source can be correspondingly overall controls.
- the light source can be ⁇ primarily then activated when a flying object in the environment of the wind turbine is located.
- the environment of the wind turbine can be defined by ei ⁇ nen certain distance within which a flying object is classified as safety-relevant. If a flying object undershoots this distance to the wind turbine, the light source can be controlled accordingly so that the wind turbine is illuminated or marked.
- a radar device can be preferably used, which is adapted to detect the position or the distance of the object from the wind turbine and its BEWE ⁇ supply direction and speed. Depending on the detection result, the light source can be controlled accordingly by means of a control device.
- the visibility of the wind turbine for air traffic can be improved and it is further achieved that the light source is primarily put into operation when an object is located at a defined distance from the wind turbine.
- the emission device is integrated in a rotor blade of the wind turbine.
- Particular preference may be provided in this case, which is arranged Wenig ⁇ least one radiating means on the windward side and / or the leeward side of the rotor blade. Accordingly, it is mög ⁇ Lich to arrange both the windward and on the leeward side a radiating means, so that the visibility of the wind turbine or generated by the lighting device of the signal, is further improved.
- the optical fiber, the light of the light source to that according to this embodiment of the invention in the rotor blade or on the rotor blade located emitting device may particularly preferably run along a sheet outside or in a groove or a trench in the rotor blade.
- the laying of the optical waveguide does not increase the risk of lightning strikes, since, as described above, the optical waveguide consists, for example, of glass fiber.
- the optical waveguide can thereby extend advantageously under a vortex generator within the rotor ⁇ sheet.
- the radiating means emerges from the rotor blade, it may be preferred that this is aerodyna ⁇ mixing shaped. This avoids that the emission device adversely affects the aerodynamics of the rotor blades or the rotor blade to which it is assigned.
- the emission device is formed as a vortex generator. This ensures that the emitting device itself as
- Vortex generator acts, so that this function of the
- Vortex generator takes over. Accordingly, the functionality of the emission device can already be integrated into the vortex generator or it can be dispensed with on a separate vortex generator.
- the light source which is associated with the emitting device or connected to it, is preferably arranged in the region of a connection of the rotor blade.
- warranty tet is that the radiating means and the light source are arranged on un ⁇ teretzlichen positions of the wind turbine, the light from the light source, however, for example via a light waveguide can be guided to the radiating means.
- FIG. 1 shows a wind turbine according to the invention in accordance with a ers ⁇ th embodiment
- FIG. 2 shows a detail of the wind turbine of the invention
- FIG. 1 A first figure.
- Figure 3 shows a wind turbine according to a second embodiment ⁇ example
- Figure 4 is a detail of the wind turbine of Figure 3;
- Figure 5 is a detail of the wind turbine of Figure 3.
- Figure 6 shows a detail of a wind turbine according to a fourth
- Figure 1 shows a section of a wind turbine 1 according ei ⁇ nem first embodiment. Visible, the wind turbine 1 ⁇ a nacelle 2 which is arranged on a tower. 3 On the nacelle 2, a rotor 4 is rotatably mounted.
- the wind turbine 1 further comprises a lighting device 5, which comprises a light source 6 and an emitting device 7.
- the emitter 7 can be seen on a
- Positioning section 8 of a positioning device 9 is arranged ⁇ .
- the positioning device 9 according to this embodiment comprises one between two positions
- movable mast which forms the positioning section 8, wherein the emission device 7 is arranged ⁇ at the top of the mast. 1 shows a first position Darge ⁇ represents, in which the positioning device 9 is extended, the emitting device 7 is therefore at its highest point.
- the distance between the rotor blade tip and the emitting device 7 in this position is less than 65 m.
- the light source 6 is connected to the emission device 7 by means of an optical waveguide 10.
- the light emitted from the light source 6 can be guided by THUS of the optical waveguide 10 for radiating means 7 and is radiated there to illuminate the wind turbine 1 and characterized to identify ⁇ .
- the light source 6 is formed according to thisracsbei ⁇ game as a light-emitting diode (LED), but of course as any other arbitrary
- Illuminant for example, as a laser, be formed, which is adapted to couple according to light Lichtwel ⁇ lenleiter 10 in the emission device 7.
- FIG. 1 also shows that the
- Positioning device 9 by means of two fastening elements 11, 12 is arranged on the nacelle 2.
- the Befest onlysele ⁇ elements 11, 12 are designed as cables and clamp the mast with the nacelle 2. This ensures that a fluctuation of the positioning 8 is reduced.
- the fastening elements 11, 12 make it possible for the positioning device 9 or the
- Positioning section 8 is movable relative to the nacelle 2.
- Figure 2 shows a section of the wind turbine 1 of Figure 1, wherein the positioning section 8 has been retracted into the nacelle 2. In this position is the emission device 7 closer to the nacelle 2, so that an employee can perform maintenance on the radiator 7 and this can repair, for example. Further, it is ensured in this position, that the positioning device 9 and the positioning portion 8 and the radiating means 7 not other objects which will be done at the wind turbine ⁇ the, in the way. For example, such a helicopter on a not shown, provided on the nacelle 2
- FIG. 3 shows a section of a wind turbine 13 according ei ⁇ nem second embodiment.
- the wind turbine 13 has ei ⁇ ne illumination device 14, in turn, a light source 6 and comprises a radiating means. 7
- the Ab ⁇ radiating device 7 is coupled by means of an optical waveguide 10 with the light source 6.
- the emitting device 7 is arranged on a rotor blade 15 of the wind turbine 13 according to the second embodiment.
- play of the optical fibers 10 extends within the rotor ⁇ sheet 15 and connects the light source 6 with the radiating ⁇ device 7.
- the radiating means 7 facing the windward side of the rotor blade 15, and it is of course also mög ⁇ Lich, the radiating means 7 in To arrange direction of the leeward side.
- FIG. 3 further shows that two vortex generators 16 are arranged on the rotor blade 15 adjacent to the emission device 7.
- FIG. 4 shows a detail of the wind turbine 13 of Figure 3, WO-half the rotor blade 15 from ⁇ is not formed in the clarity.
- the optical waveguide 10 extends below the vortex generator 16.
- the emission device 7 is aerodynamically shaped in order not to adversely affect the aerodynamics of the rotor blade 15.
- FIG. 5 shows a further detail of the wind turbine 13 of FIG. 3 in a view rotated through approximately 90 °. It can be seen that the optical waveguide 10 below the Vortex generator 16 runs. Furthermore, it can be seen that the light source 7 is arranged between the two vortex generator 16 and has a substantially hemispherical cross section.
- FIG. 6 shows a further exemplary embodiment, in which the light source 7 is arranged on the blade outer side of a rotor blade 17.
- the optical waveguide 10 extends below the surface of the rotor blade 17, for example in a groove or in a trench in the rotor blade 17.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016218594.2A DE102016218594C9 (en) | 2016-09-27 | 2016-09-27 | wind turbine |
PCT/EP2017/072948 WO2018059935A1 (en) | 2016-09-27 | 2017-09-13 | Wind turbine |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3500755A1 true EP3500755A1 (en) | 2019-06-26 |
Family
ID=59858728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17765432.4A Withdrawn EP3500755A1 (en) | 2016-09-27 | 2017-09-13 | Wind turbine |
Country Status (5)
Country | Link |
---|---|
US (1) | US11098699B2 (en) |
EP (1) | EP3500755A1 (en) |
CN (1) | CN109804159A (en) |
DE (1) | DE102016218594C9 (en) |
WO (1) | WO2018059935A1 (en) |
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DE20114306U1 (en) * | 2001-08-31 | 2002-01-10 | Aqua Signal Ag | Lighting system especially as a hazard fire, obstacle fire or day and night markings |
ITBZ20010043A1 (en) * | 2001-09-13 | 2003-03-13 | High Technology Invest Bv | ELECTRIC GENERATOR OPERATED BY WIND ENERGY. |
DE10146379A1 (en) * | 2001-09-20 | 2003-04-24 | Wolfram Henning | Warning light for locations, such as aircraft wing tips or wind power rotors having buildup of atmospheric electrostatic charge |
PL207214B1 (en) | 2001-12-08 | 2010-11-30 | Aloys Wobben | Rotor blade of a wind power installation, comprising a warning light |
US6762695B1 (en) * | 2002-08-13 | 2004-07-13 | At&T Corp. | Radio tower lighting system |
DE10348994A1 (en) | 2003-10-22 | 2005-05-25 | Aqua Signal Aktiengesellschaft Spezialleuchtenfabrik | Wind powered generator with aircraft warning lights which are mounted on the blades especially on the blade tips and which are visible from all angles |
DK178167B1 (en) | 2005-12-02 | 2015-07-13 | Lm Wind Power As | A lightning protection system for a wind turbine blade |
DK200501778A (en) | 2005-12-16 | 2007-06-17 | Lm Glasfiber As | Light in wind power plants |
DE102006007536A1 (en) * | 2006-02-16 | 2007-08-30 | Aloys Wobben | Wind turbine with flight lighting device |
JP4994944B2 (en) * | 2007-05-18 | 2012-08-08 | 三菱重工業株式会社 | Wind power generator |
EP2053239B1 (en) * | 2007-10-23 | 2012-11-28 | Siemens Aktiengesellschaft | Method for controlling of wind turbines in a wind farm |
DE102008034747B3 (en) * | 2008-07-24 | 2009-09-10 | Wobben, Aloys | Nacelle for use on rotor hub in wind turbine, has two lateral lighting devices arranged at two opposite sides of nacelle, where one of middle and lateral lighting devices is accessible from interior of nacelle and/or is foldable in interior |
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KR20110029863A (en) * | 2009-09-16 | 2011-03-23 | 현대중공업 주식회사 | Lightning protector of the adjustable for wind turbine |
ES2392214T3 (en) * | 2009-11-24 | 2012-12-05 | Siemens Aktiengesellschaft | Arrangement of a wind turbine gondola with an instrument |
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-
2016
- 2016-09-27 DE DE102016218594.2A patent/DE102016218594C9/en not_active Expired - Fee Related
-
2017
- 2017-09-13 WO PCT/EP2017/072948 patent/WO2018059935A1/en unknown
- 2017-09-13 CN CN201780059841.1A patent/CN109804159A/en active Pending
- 2017-09-13 EP EP17765432.4A patent/EP3500755A1/en not_active Withdrawn
- 2017-09-13 US US16/334,795 patent/US11098699B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20190234380A1 (en) | 2019-08-01 |
WO2018059935A1 (en) | 2018-04-05 |
CN109804159A (en) | 2019-05-24 |
DE102016218594C5 (en) | 2019-09-19 |
DE102016218594C9 (en) | 2019-11-21 |
US11098699B2 (en) | 2021-08-24 |
DE102016218594B3 (en) | 2017-11-16 |
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