WO2010097948A1 - 風力発電装置 - Google Patents
風力発電装置 Download PDFInfo
- Publication number
- WO2010097948A1 WO2010097948A1 PCT/JP2009/053744 JP2009053744W WO2010097948A1 WO 2010097948 A1 WO2010097948 A1 WO 2010097948A1 JP 2009053744 W JP2009053744 W JP 2009053744W WO 2010097948 A1 WO2010097948 A1 WO 2010097948A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor head
- opening
- outside air
- nacelle
- wind turbine
- Prior art date
Links
- 238000005266 casting Methods 0.000 claims abstract description 35
- 230000001737 promoting effect Effects 0.000 claims abstract description 4
- 238000010248 power generation Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 24
- 238000001816 cooling Methods 0.000 description 10
- 239000000470 constituent Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0691—Rotors characterised by their construction elements of the hub
-
- 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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- 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
- F03D80/60—Cooling or heating of wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
-
- 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
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
-
- 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
- F05B2260/00—Function
- F05B2260/60—Fluid transfer
-
- 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 present invention relates to a wind power generator that generates power using a windmill that converts wind of natural energy into rotational force.
- Wind power generation equipment that generates wind power by applying wind force to multiple blades and drives the generator through the rotor head using the wind power is not only in plains but also in high places such as on hills and mountains. Alternatively, many are installed in places where high wind speeds can be obtained, such as offshore, and have a high output power generation capacity.
- a conventional wind turbine generator includes a rotor head with wind turbine blades attached to a nacelle installed on a support column, a main shaft connected to rotate integrally with the rotor head, and a main shaft that rotates by receiving wind power from the wind turbine blades. And a generator driven by the shaft output of the speed increaser.
- the rotor head including the wind turbine blades for converting the wind power into the rotational force and the main shaft rotate to generate the shaft output, and rotate through the speed increaser connected to the main shaft.
- the shaft output increased in number is transmitted to the generator. For this reason, the shaft output obtained by converting wind power into rotational force can be used as a drive source of the generator, and power generation using wind power as the power of the generator can be performed.
- FIG. 17 An example of the configuration of a conventional wind power generator 100 is shown in FIG. As shown in FIG. 17, the conventional wind turbine generator 100 includes a nacelle 101, a rotor head 102 that is on the rotation side with respect to the nacelle 101, and a tower 103 that supports the nacelle 101.
- An internal device 105 that generates heat and a hydraulic pitch cylinder 106 are housed and installed in the rotor head casting 104 of the rotor head 102, and the outer side of the rotor head casting 104 is covered with a rotor head cover 107.
- the internal device 105 includes, for example, a control device that quickly and accurately changes the blade pitch of the wind turbine blade 108 in accordance with fluctuations in wind speed, and includes control devices such as a control panel that performs pitch control, and a power source thereof. ing.
- the rotor head 102 it is necessary to cool because the temperature rises due to heat input from the main bearing 109 and heat generated by the internal device 105 and the hydraulic pitch cylinder 106.
- the nacelle 101 and the rotor head 102 are spatially connected via the communication path 110, but since the rotor head 102 is closed, there is almost no air flow, and heat generation in the rotor head. As a result, most of the air whose temperature has increased is retained as it is.
- the interior of the rotor head 102 is sealed except for the communication passage 110 in order to protect precision equipment such as the internal equipment 105 and the hydraulic pitch cylinder 106 from rainwater and the like.
- the conventional wind power generator has a problem that, as described above, since the confidentiality of the rotor head is high, the amount of heat released to the outside air is small, and the rotor head casting cannot be sufficiently cooled.
- the present invention is to provide a wind turbine generator that improves the cooling efficiency in the rotor head.
- a first invention of the present invention for solving the above-mentioned problems is a rotor head to which a wind turbine blade is attached, a nacelle that supports the rotor head, a tower that supports the nacelle, and a tip of the rotor head.
- a wind power generator comprising: an opening provided to take in outside air; and a plurality of air supply promotion guides that are provided in the opening of the rotor head and collect the outside air in the opening.
- the second invention is the wind power generator according to the first invention, wherein the air supply promotion guide is formed by inclining a flat plate or a curved plate.
- a third invention is the wind power generator according to the first or second invention, wherein the rear end of the rotor head has an exhaust port for discharging outside air taken into the rotor head.
- a fourth invention is characterized in that, in any one of the first to third inventions, the nacelle has a nacelle air inlet, and the inside of the nacelle is cooled by outside air introduced from the nacelle air inlet. It is in a wind power generator.
- the fifth invention is the wind power generator according to the third or fourth invention, wherein the exhaust port has an exhaust promotion guide for promoting exhaust of outside air taken into the rotor head.
- a rectifying guide for rectifying outside air is provided on an outer periphery of a casting of the rotor head provided in the rotor head on a downstream side of the opening. It is in the wind power generator characterized by this.
- a seventh invention is the wind power generator according to the sixth invention, wherein a waterproof member is provided between the rectifying guide and the rotor head.
- a rotor head to which a wind turbine blade is attached a nacelle that supports the rotor head, a tower that supports the nacelle, an opening that takes in outside air provided at a tip of the rotor head, and
- a plurality of air supply promotion guides are provided on the outer periphery of the opening of the rotor head and collect the outside air in the opening. Accordingly, outside air can be actively taken into the rotor head, and the amount of heat released from the rotor head casting surface provided in the rotor head can be increased by the outside air taken into the rotor head. Therefore, the inside of the rotor head can be efficiently cooled without requiring new power. Therefore, it is possible to realize a wind power generator with improved reliability and durability by increasing the cooling efficiency inside the rotor head.
- FIG. 1 is a diagram schematically showing the configuration of a wind turbine generator according to a first embodiment of the present invention.
- FIG. 2 is a perspective view schematically showing the configuration of the rotor head and the nacelle.
- FIG. 3 is a diagram schematically showing a cross section of the rotor head.
- FIG. 4 is a diagram simply showing the front of the rotor head.
- FIG. 5 is a diagram simply showing the configuration of the air supply promotion guide.
- FIG. 6 is a diagram simply showing another configuration of the air supply promotion guide.
- FIG. 7 is a diagram simply illustrating another configuration of the air supply promotion guide.
- FIG. 8A is a diagram illustrating a state in which the air supply promotion guide is provided in the rotor head cover.
- FIG. 8A is a diagram illustrating a state in which the air supply promotion guide is provided in the rotor head cover.
- FIG. 8B is a cross-sectional view taken along the line AA in FIG.
- FIG. 9 is a diagram illustrating another support state of the air supply promotion guide to the opening.
- FIG. 10 is a diagram illustrating a state where nozzles are provided on the rotor head.
- FIG. 11 is a diagram simply showing the configuration of the wind turbine generator according to the second embodiment of the present invention.
- FIG. 12 is a diagram simply showing the configuration of the rotor head of the wind turbine generator according to the third embodiment of the present invention.
- FIG. 13 is a diagram simply showing the front of the rotor head.
- FIG. 14 is a diagram simply showing the configuration of the rotor head of the wind turbine generator according to the fourth embodiment of the present invention.
- FIG. 15 is a diagram showing the relationship between the distance from the main bearing and the temperature of the rotor head casting.
- FIG. 16 is a diagram simply showing the configuration of the rotor head of the wind turbine generator according to the fifth embodiment of the present invention.
- FIG. 17 is a diagram illustrating an example of a configuration of a conventional wind power generator.
- FIG. 1 is a diagram schematically illustrating the configuration of a wind turbine generator according to a first embodiment of the present invention
- FIG. 2 is a perspective view schematically illustrating the configuration of a rotor head and a nacelle
- FIG. 4 is a diagram simply showing a cross section of the rotor head
- FIG. 4 is a diagram simply showing the front of the rotor head
- FIG. 5 is a diagram simply showing the configuration of the air supply promotion guide.
- FIGS. 1 is a diagram schematically illustrating the configuration of a wind turbine generator according to a first embodiment of the present invention
- FIG. 2 is a perspective view schematically illustrating the configuration of a rotor head and a nacelle
- FIG. 4 is a diagram simply showing a cross section of the rotor head
- FIG. 4 is a diagram simply showing the front of the rotor head
- FIG. 5 is a diagram simply showing the configuration of the air supply promotion guide.
- a first wind power generator 10A includes a rotor head (hub) 12 to which a wind turbine blade 11 is attached, a nacelle 14 that pivotally supports the rotor head 12, A support column (tower) 15 that supports the nacelle 14, an opening 16 that is provided at the tip of the rotor head 12 and takes in outside air, and a plurality of openings 16 in the rotor head 12 that collect the outside air in the opening 16.
- Qi promotion guide 17A is a base for installing the tower
- reference numeral 19 is a main bearing of the rotor head casting
- reference numeral 20 is a communication path connecting the rotor head and the nacelle.
- the rotor head 12 includes a rotor head casting 22 that is connected to the main shaft 21 and rotates, and a rotor head cover 23 that covers the rotor head casting 22 by forming a predetermined space on the outer periphery of the rotor head casting 22.
- a plurality of wind turbine blades 11 are attached to the rotor head casting 22 radially with respect to the rotation axis direction. The wind turbine blade 11 is lifted by the external wind, and the generated lift becomes power for rotating the rotor head 12 in the circumferential direction with respect to the rotation axis direction.
- hydraulic equipment for controlling the pitch of the wind turbine blades 11 for example, hydraulic equipment for controlling the pitch of the wind turbine blades 11, control equipment such as a control panel (not shown), and a power source thereof are housed and installed.
- a drive / power generation mechanism including a generator 25 connected to the rotor head 12 via a speed increaser 24 coaxial with the rotor head 12 is housed and installed.
- a generator output is obtained from the generator 25 by driving the generator 25 by increasing the rotation of the rotor head 12 by the speed increaser 24.
- an opening 16 is provided at the tip 23a of the rotor head cover 23, which is the tip of the rotor head 12, and outside air is supplied to the opening 16 from the opening 16.
- a plurality of air supply promotion guides 17A to be collected are provided.
- the plurality of air supply promotion guides 17 ⁇ / b> A are fixed by an edge portion of the opening and a guide support member 26 at the center of the opening 16, and are fixed radially to the opening 16 around the guide support member 26.
- the air supply promotion guide 17A does not necessarily need to be supported at both ends, and may be supported by only one of the edge portion of the opening and the guide support member 26.
- the air supply promotion guide 17 ⁇ / b> A tilts a flat plate and fixes it with the edge portion of the opening 16 and the guide support member 26, so that outside air can be smoothly passed from the opening 16 to the rotor head 12. It can be taken in. Therefore, the plurality of air supply promotion guides 17 ⁇ / b> A rotate with the rotation of the rotor head 12, so that outside air can be actively taken into the rotor head 12 from the opening 16.
- a plurality of openings 16 provided at the tip of the rotor head 12 and the openings 16 of the rotor head 12 are provided, and outside air is supplied to the openings 16.
- a plurality of air supply promotion guides 17A are fixed radially to the opening 16 with the guide support member 26 as a center by the edge portion of the opening 16 and the guide support member 26. For this reason, the air supply promotion guide 17 ⁇ / b> A rotates with the rotation of the rotor head 12, so that outside air can be actively taken into the rotor head 12. Since the amount of heat released from the surface of the rotor head casting 22 can be increased by the outside air taken into the rotor head 12, the interior of the rotor head 12 can be efficiently cooled without requiring new power. it can.
- the lengths of both ends of the air supply promotion guide 17A are the same.
- the supply air promotion guide 17B in which the length of one side of the supply air promotion guide 17A to be fixed to the edge portion side of the opening portion 16 is shorter than the length of one side of the air supply promotion guide 17A, is used to introduce outside air into the opening portion 16. You may make it easy to do.
- an air supply promotion guide 17 ⁇ / b> C made of a curved plate-like member that is curved toward the rotation direction of the rotor head 12 is used to connect the edge portion of the opening 16 and the guide support member 26. You may make it incline in between.
- the plurality of air supply promotion guides 17 ⁇ / b> C rotate with the rotation of the rotor head 12, so that outside air can be more actively taken into the rotor head 12 from the openings 16.
- FIG. 8A is a diagram illustrating a state in which the air supply promotion guide is provided on the side surface of the rotor head cover
- FIG. 8B is a cross-sectional view taken along line AA in FIG.
- a plurality of openings 27 are provided at predetermined intervals in the circumferential direction of the side surface of the rotor head cover 23 so that outside air can also be taken into the side surface of the rotor head cover 23.
- An air supply promotion guide 17C that is curved corresponding to the shape of the rotor head cover 23 in the circumferential direction may be provided for each portion 27.
- the side surface of the rotor head cover 23 refers to the surrounding wall surface excluding the front surface of the rotor head cover 23 in which the opening 16 is provided.
- the air supply promotion guide 17C and the rotor head cover 23 may be connected using an opening / closing member such as a hinge 28, for example, so that the air supply promotion guide 17C can be opened and closed.
- an opening / closing member such as a hinge 28, for example, so that the air supply promotion guide 17C can be opened and closed.
- the air supply promotion guide 17C is provided in the opening 27 of the rotor head cover 23, the present invention is not limited to this, and instead of the air supply promotion guide 17C, the same member as the rotor head cover 23 is used. A thing may be provided in the opening 27. Further, instead of the air supply promotion guide 17C, the same member as the rotor head cover 23 may be attached so as to be opened and closed using an opening / closing member such as the hinge 29.
- the plurality of air supply promotion guides 17A are fixed by the edge portion of the opening 16 and the guide support member 26, respectively.
- the present invention is not limited to this, and as shown in FIG. 9, a support bar 29 may be provided in the opening 16, and the air supply promotion guide 17 ⁇ / b> A may be fixed to the support bar 29.
- the guide support member 26 is provided to fix the plurality of guides to the central portion of the opening 16, but the present invention is not limited to this. Instead, the guide support member 26 may be formed in a ring shape so that outside air can pass through the ring-shaped interior of the guide support member 26.
- a nozzle 30 may be provided outside the rotor head 12 and at the edge portion of the opening 16. Thereby, outside air can be efficiently supplied into the opening 16.
- a plurality of air supply promotion guides 17A that collect outside air are provided in the opening 16 provided at the tip of the rotor head 12, and the edge portion of the opening 16 is
- Each of the air supply promotion guides 17 ⁇ / b> A is fixed radially to the opening 16 by the guide support member 26 around the guide support member 26. Since the outside air can be actively taken into the rotor head 12 with the rotation of the rotor head 12 by the air supply promotion guide 17A, the amount of heat released from the surface of the rotor head casting 22 by the outside air taken into the rotor head 12 Can be increased. For this reason, the inside of the rotor head 12 can be efficiently cooled without requiring new power. Thus, by improving the cooling efficiency inside the rotor head 12, it is possible to realize a wind turbine generator with improved reliability and durability.
- first wind power generator 10A can be used according to other installation locations such as offshore, onshore, and onboard.
- FIG. 11 is a diagram simply showing the configuration of the wind turbine generator according to the second embodiment of the present invention.
- the wind power generator 10B according to the second embodiment is the same as that of the first wind power generator 10A according to the first embodiment shown in FIG. Is discharged from the downstream side of the rotor head 12.
- the second wind power generator 10B according to the second embodiment has a rotor head at the rear end portion 12b of the rotor head 12 of the first wind power generator 10A according to the first embodiment shown in FIG. 12 has an exhaust port 31 for discharging outside air taken in.
- the air supply promotion guide 17A is provided in the rotor head 12, and the exhaust port 31 is provided in the rear end portion 12b of the rotor head 12, so that the outside air taken into the rotor head 12 is positively transmitted from the rear end portion 12b of the rotor head 12. Can be discharged. Further, since the outer side and the inner side of the rotor head 12 are in a relationship between positive pressure and negative pressure, outside air is positively introduced into the rotor head 12. Therefore, since the introduction of the outside air into the rotor head 12 and the discharge of the outside air taken into the rotor head 12 can be performed efficiently, the circulation of the outside air within the rotor head 12 can be performed efficiently. The amount of heat released from the surface 22 can be further increased, and the interior of the rotor head 12 can be cooled more efficiently.
- the rotor head casting 22 in the rotor head 12 can be discharged from the exhaust port 31 and fed into the nacelle 14 through the communication path 20, the rotor head casting can be reduced. It is possible to prevent the outside air heated at 22 from affecting the nacelle 14. Furthermore, since the air warmed in the nacelle 14 can be discharged from the exhaust port 31 even if it is fed into the nacelle 14 via the communication path 20, the heat generated in the nacelle 14 is transferred to the rotor in the rotor head 12. The influence on the head casting 22 can be reduced.
- the nacelle 14 has a nacelle air inlet 32 in the vicinity of, for example, the lower side of the communication path 20 connected to the rotor head 12.
- the inside of the nacelle 14 is cooled by outside air introduced from the air vent 32, and the rotor head 12 and the nacelle 14 can be cooled independently.
- the inside of the nacelle 14 can be cooled by the fresh outside air taken in from the nacelle air supply port 32, regardless of the warmed outside air supplied from the opening 16 via the communication passage 20. That is, since the rotor head 12 and the nacelle 14 are cooled by separate paths, the cooling efficiency can be further increased.
- the position of the nacelle air inlet is not limited to the lower side of the nacelle 14, and may be provided on the upper side or the side surface of the nacelle 14, or a combination thereof.
- the air supply promotion guide 17A is provided in the opening 16 so as to actively take in the outside air, but the present invention is limited to this. Instead, the outside air may be taken in from the opening 16 without providing the air supply promotion guide 17 ⁇ / b> A in the opening 16.
- FIG. 12 is a sectional view schematically showing the configuration of the rotor head of the wind turbine generator according to the third embodiment of the present invention
- FIG. 13 is a diagram simply showing the front of the rotor head. As shown in FIGS.
- the third wind power generator 10 ⁇ / b> C according to the third embodiment is connected to the exhaust port 31 of the second wind power generator 10 ⁇ / b> B according to the second embodiment shown in FIG. 11.
- An exhaust promotion guide 33 that promotes the discharge of outside air taken into the rotor head 12 is provided.
- the outside air taken into the rotor head 12 is positively discharged from the rear end portion 12 b of the rotor head 12 to the outside of the rotor head 12. Can do. For this reason, the introduction of the outside air into the rotor head 12 and the discharge of the outside air taken into the rotor head 12 can be performed more efficiently, and the circulation of the outside air within the rotor head 12 can be performed more efficiently. As a result, the amount of heat released from the surface of the rotor head casting 22 can be further increased, so that the rotor head 12 can be cooled more efficiently.
- the air supply promotion guide 17A is provided in the opening 16 so as to actively take in the outside air, but the present invention is limited to this. Instead, the outside air may be taken in from the opening 16 without providing the air supply promotion guide 17 ⁇ / b> A in the opening 16.
- FIG. 14 is a cross-sectional view schematically showing the configuration of the rotor head of the wind turbine generator according to the fourth embodiment of the present invention.
- the fourth wind power generator 10D according to the fourth embodiment is a rotor head 12 of the first wind power generator 10A according to the first embodiment shown in FIGS.
- a rectifying guide 41 for rectifying the outside air taken into the rotor head 12 to the outer periphery of the rotor head casting 22 that covers the internal equipment provided in the rotor head 12 is provided on the downstream side of the opening 16 inside the rotor head 12. .
- the pressure loss coefficient of the outside air taken into the rotor head 12 is reduced and the flow is rectified to the outer periphery of the rotor head casting 22, while the rotor head casting. 22 can be cooled.
- the temperature of the rotor head casting 22 tends to decrease as the distance X from the main bearing 19 increases, so that the outside air introduced from the opening 16 enters the opening 16 of the rotor head casting 22. Heat exchange is not carried out as much as possible in the vicinity, and the rotor head casting 22 is further transferred by supplying as much as possible the outside air that is not heat exchanged with the rotor head casting 22 and does not rise in temperature to the vicinity of the main bearing of the rotor head casting 22. Cooling can be performed more efficiently.
- the outside air introduced from the opening 16 can be as close as possible to the outer periphery of the rotor head casting 22 near the main bearing 19. Therefore, the cooling efficiency of the rotor head casting 22 can be improved, the amount of heat released from the surface of the rotor head casting 22 can be further increased, and the interior of the rotor head 12 can be cooled more efficiently.
- the air supply promotion guide 17A is provided in the opening 16 so as to actively take in the outside air, but the present invention is limited to this. Instead, the outside air may be taken in from the opening 16 without providing the air supply promotion guide 17 ⁇ / b> A in the opening 16.
- FIG. 16 is a diagram simply showing the configuration of the rotor head of the wind turbine generator according to the fifth embodiment of the present invention.
- the fifth wind power generator 10E according to the fifth embodiment includes a rectifying guide 41 and a rotor head of the fourth wind power generator 10D according to the fourth embodiment shown in FIG. 12 is provided with a waterproof garment (waterproof member) 42.
- the waterproof louver 42 is used as the waterproof member, but any member that can maintain the air permeability in the rotor head 12 and prevent the intrusion of rainwater or the like from the opening 16 may be used. It is not limited to this.
- the air supply promotion guide 17A is provided in the opening 16 so as to actively take in the outside air, but the present invention is limited to this. Instead, the outside air may be taken in from the opening 16 without providing the air supply promotion guide 17 ⁇ / b> A in the opening 16.
- the wind turbine generator according to the present invention is suitable for use in a wind turbine generator that actively takes outside air into the rotor head and cools the inside of the rotor head.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
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- Thermal Sciences (AREA)
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Abstract
Description
従って、前記ロータヘッド内部の冷却効率を高めることで、信頼性及び耐久性を向上させた風力発電装置を実現することができる。
11 風車翼
12 ロータヘッド(ハブ)
14 ナセル
15 タワー
16、27 開口部
17A~17C 給気促進ガイド
18 基台
19 主軸受け
20 連通路
21 主軸
22 ロータヘッド鋳物
23 ロータヘッドカバー
24 増速機
25 発電機
26 ガイド支持部材
28 ヒンジ
29 支持棒
30 ノズル
31 排気口
32 ナセル給気口
33 排気促進ガイド
41 整流ガイド
42 防水ガラリ
本発明による第一の実施の形態に係る風力発電装置について、図面を参照して説明する。
図1は、本発明による第一の実施の形態に係る風力発電装置の構成を簡略に示す図であり、図2は、ロータヘッドとナセルの構成を簡略に示す斜視図であり、図3は、ロータヘッドの断面を簡略に示す図であり、図4は、ロータヘッドの正面を簡略に示す図であり、図5は、給気促進ガイドの構成を簡略に示す図である。
図1~図5に示すように、本実施の形態に係る第一の風力発電装置10Aは、風車翼11を取り付けたロータヘッド(ハブ)12と、ロータヘッド12を軸支するナセル14と、ナセル14を支持する支柱(タワー)15と、ロータヘッド12の先端に設けられ、外気を取り込む開口部16と、ロータヘッド12の開口部16に複数設けられ、開口部16に前記外気を集める給気促進ガイド17Aと、を有するものである。
図中、符号18は、タワーを設置するための基台であり、符号19は、ロータヘッド鋳物の主軸受けであり、符号20は、ロータヘッドとナセルとの間を連結する連通路である。
このように、ロータヘッド12の内部の冷却効率を高めることで、信頼性及び耐久性を向上させた風力発電装置を実現することができる。
本発明による第二の実施の形態に係る風力発電装置について、図11を参照して説明する。
本実施の形態に係る風力発電装置は、前記図1に示した第一の実施の形態に係る第一の風力発電装置10Aの構成と略同様であるため、前記図1に示した第一の実施の形態に係る第一の風力発電装置10Aと同一構成には同一符号を付して重複した説明は省略する。
図11は、本発明による第二の実施の形態に係る風力発電装置の構成を簡略に示す図である。
図11に示すように、第二の実施の形態に係る風力発電装置10Bは、図1に示す第一の実施の形態に係る第一の風力発電装置10Aにおいて、ロータヘッド12内に取り込んだ外気をロータヘッド12の後流側から排出するようにしたものである。
即ち、第二の実施の形態に係る第二の風力発電装置10Bは、図1に示す第一の実施の形態に係る第一の風力発電装置10Aのロータヘッド12の後端部12bにロータヘッド12内に取り込んだ外気を排出する排気口31を有するものである。
本発明による第三の実施の形態に係る風力発電装置について、図12、13を参照して説明する。
本実施の形態に係る風力発電装置は、前記図1に示した第一の実施の形態に係る第一の風力発電装置10Aの構成と略同様であるため、前記図1に示した第一の実施の形態に係る第一の風力発電装置10Aと同一構成には同一符号を付して重複した説明は省略する。
図12は、本発明による第三の実施の形態に係る風力発電装置のロータヘッドの構成を簡略に示す断面図であり、図13は、ロータヘッドの正面を簡略に示す図である。
図12、13に示すように、第三の実施の形態に係る第三の風力発電装置10Cは、図11に示す第二の実施の形態に係る第二の風力発電装置10Bの排気口31にロータヘッド12内に取り込んだ外気の排出を促進する排気促進ガイド33を有するものである。
本発明による第四の実施の形態に係る風力発電装置について、図面を参照して説明する。
本実施の形態に係る風力発電装置は、前記図1に示した第一の実施の形態に係る第一の風力発電装置10Aの構成と略同様であるため、前記図1に示した第一の実施の形態に係る第一の風力発電装置10Aと同一構成には同一符号を付して重複した説明は省略する。
図14は、本発明による第四の実施の形態に係る風力発電装置のロータヘッドの構成を簡略に示す断面図である。
図14に示すように、第四の実施の形態に係る第四の風力発電装置10Dは、図1乃至図4に示す第一の実施の形態に係る第一の風力発電装置10Aのロータヘッド12の内部の開口部16の後流側にロータヘッド12内に取り込んだ外気をロータヘッド12内に設けられている内部機器を覆うロータヘッド鋳物22の外周に整流する整流ガイド41を有するものである。
本発明による第五の実施の形態に係る風力発電装置について、図16を参照して説明する。
本実施の形態に係る風力発電装置は、前記図1に示した第一の実施の形態に係る第一の風力発電装置10Aの構成と略同様であるため、前記図1に示した第一の実施の形態に係る第一の風力発電装置10Aと同一構成には同一符号を付して重複した説明は省略する。
図16は、本発明による第五の実施の形態に係る風力発電装置のロータヘッドの構成を簡略に示す図である。
図16に示すように、第五の実施の形態に係る第五の風力発電装置10Eは、図14に示す第四の実施の形態に係る第4の風力発電装置10Dの整流ガイド41とロータヘッド12との間に防水ガラリ(防水部材)42を有するものである。
Claims (7)
- 風車翼を取り付けたロータヘッドと、
前記ロータヘッドを軸支するナセルと、
前記ナセルを支持するタワーと、
前記ロータヘッドの先端に設けられ、外気を取り込む開口部と、
前記ロータヘッドの前記開口部に複数設けられ、前記開口部に前記外気を集める給気促進ガイドと、を有することを特徴とする風力発電装置。 - 請求項1において、
前記給気促進ガイドが、平板又は湾曲形状の板を傾斜させてなるものであることを特徴とする風力発電装置。 - 請求項1又は2において、
前記ロータヘッドの後端部に前記ロータヘッド内に取り込んだ外気を排出する排気口を有することを特徴とする風力発電装置。 - 請求項1乃至3の何れか一つにおいて、
前記ナセルはナセル給気口を有し、該ナセル給気口から導入した外気で前記ナセル内を冷却することを特徴とする風力発電装置。 - 請求項3又は4において、
前記排気口に前記ロータヘッド内に取り込んだ外気の排出を促進する排気促進ガイドを有することを特徴とする風力発電装置。 - 請求項1乃至5の何れか一つにおいて、
前記開口部の後流側に、前記ロータヘッド内に設けられているロータヘッド鋳物の外周に外気を整流する整流ガイドを有することを特徴とする風力発電装置。 - 請求項6において、
前記整流ガイドと前記ロータヘッドとの間に防水部材が設けられてなることを特徴とする風力発電装置。
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KR1020117007321A KR20110050705A (ko) | 2009-02-27 | 2009-02-27 | 풍력 발전 장치 |
JP2011501430A JP5404764B2 (ja) | 2009-02-27 | 2009-02-27 | 風力発電装置 |
CA2735796A CA2735796A1 (en) | 2009-02-27 | 2009-02-27 | Wind driven generator |
EP09840801.6A EP2402593A4 (en) | 2009-02-27 | 2009-02-27 | GENERATOR DRIVEN BY THE WIND |
US13/120,327 US20110175368A1 (en) | 2009-02-27 | 2009-02-27 | Wind driven generator |
PCT/JP2009/053744 WO2010097948A1 (ja) | 2009-02-27 | 2009-02-27 | 風力発電装置 |
AU2009341223A AU2009341223B2 (en) | 2009-02-27 | 2009-02-27 | Wind driven generator |
CN2009801350616A CN102149919A (zh) | 2009-02-27 | 2009-02-27 | 风力发电装置 |
BRPI0919518A BRPI0919518A2 (pt) | 2009-02-27 | 2009-02-27 | gerador acionado por vento |
TW098122297A TWI382125B (zh) | 2009-02-27 | 2009-07-01 | Wind power generation |
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EP (1) | EP2402593A4 (ja) |
JP (1) | JP5404764B2 (ja) |
KR (1) | KR20110050705A (ja) |
CN (1) | CN102149919A (ja) |
AU (1) | AU2009341223B2 (ja) |
BR (1) | BRPI0919518A2 (ja) |
CA (1) | CA2735796A1 (ja) |
TW (1) | TWI382125B (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102753821A (zh) * | 2011-01-28 | 2012-10-24 | 三菱重工业株式会社 | 风力发电装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5463218B2 (ja) * | 2010-06-30 | 2014-04-09 | 三菱重工業株式会社 | 風力発電装置 |
JP5864307B2 (ja) * | 2012-03-02 | 2016-02-17 | 株式会社日立製作所 | ダウンウィンドロータ型風力発電装置 |
JP6357307B2 (ja) * | 2013-09-30 | 2018-07-11 | 株式会社日立製作所 | 風力発電設備 |
KR101465737B1 (ko) * | 2013-10-16 | 2014-11-27 | 삼성중공업 주식회사 | 풍력 발전기의 냉각 장치 |
ITTV20130180A1 (it) * | 2013-11-05 | 2015-05-06 | Ezio Tedoldi | Generatore eolico ad asse orizzontale |
DE102017100134A1 (de) | 2017-01-05 | 2018-07-05 | Wobben Properties Gmbh | Windenergieanlage und Verwendung eines Tropfenabscheiders in einem Windenergieanlagenrotor |
JP6706274B2 (ja) * | 2018-01-12 | 2020-06-03 | 三菱電機エンジニアリング株式会社 | 発電機用プロペラ装置 |
CN109944746B (zh) * | 2019-04-16 | 2020-10-23 | 浙江大学 | 风力发电机组 |
CN114087142B (zh) * | 2021-11-30 | 2024-02-23 | 中国华能集团清洁能源技术研究院有限公司 | 一种机舱除潮系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5865977A (ja) * | 1981-10-14 | 1983-04-19 | Hitachi Ltd | 風力発電装置の冷却機構 |
JPH11508760A (ja) * | 1996-04-30 | 1999-07-27 | ジーメンス カナダ リミテッド | 換気用の軸流空気入口を有するブロワーホイール |
US20070222223A1 (en) * | 2006-03-22 | 2007-09-27 | General Electric Company | Wind turbine generators having wind assisted cooling systems and cooling methods |
US20080025847A1 (en) * | 2006-07-31 | 2008-01-31 | Ewald Teipen | Ventilation assembly for wind turbine rotor hub |
WO2008098574A1 (en) * | 2007-02-12 | 2008-08-21 | Vestas Wind Systems A/S | A wind turbine, a method for establishing at least one aperture in the spinner on the hub of a wind turbine rotor and use of a wind turbine |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6278197B1 (en) * | 2000-02-05 | 2001-08-21 | Kari Appa | Contra-rotating wind turbine system |
ITTO20020908A1 (it) * | 2002-10-17 | 2004-04-18 | Lorenzo Battisti | Sistema antighiaccio per impianti eolici. |
DE102004046700B4 (de) * | 2004-09-24 | 2006-08-17 | Aloys Wobben | Windenergieanlage mit einer Generatorkühlung |
DE102004058776B3 (de) * | 2004-12-07 | 2006-07-13 | Nordex Energy Gmbh | Vorrichtung zur Belüftung einer Rotornabe einer Windenergieanlage |
JP5002309B2 (ja) * | 2007-04-06 | 2012-08-15 | 富士重工業株式会社 | 水平軸風車 |
US8186940B2 (en) * | 2007-09-05 | 2012-05-29 | General Electric Company | Ventilation arrangement |
US20100014974A1 (en) * | 2008-07-17 | 2010-01-21 | Mccorkendale Timothy E | Apparatus and method for cooling a wind turbine hub |
KR101021333B1 (ko) * | 2008-09-01 | 2011-03-14 | 두산중공업 주식회사 | 풍력터빈의 나셀 냉각 시스템 |
CN102245897B (zh) * | 2008-12-17 | 2014-12-03 | 湘电达尔文有限责任公司 | 包括冷却回路的风力涡轮机 |
US9039369B2 (en) * | 2009-01-30 | 2015-05-26 | Vestas Wind Systems A/S | Wind turbine nacelle with cooler top |
CN102301135A (zh) * | 2009-01-30 | 2011-12-28 | 维斯塔斯风力系统集团公司 | 在顶部具有冷却器的风力涡轮机机舱 |
US7843080B2 (en) * | 2009-05-11 | 2010-11-30 | General Electric Company | Cooling system and wind turbine incorporating same |
JP5455508B2 (ja) * | 2009-08-28 | 2014-03-26 | 三菱重工業株式会社 | 風力発電用風車 |
EP2507512B1 (en) * | 2009-12-01 | 2016-06-01 | Vestas Wind Systems A/S | A wind turbine nacelle comprising a heat exchanger assembly |
JP5072994B2 (ja) * | 2010-03-17 | 2012-11-14 | 三菱重工業株式会社 | 風力発電装置 |
JP5511549B2 (ja) * | 2010-06-30 | 2014-06-04 | 三菱重工業株式会社 | 風力発電装置 |
US7963743B1 (en) * | 2010-10-16 | 2011-06-21 | Winter Curt B | Wind turbine with improved cooling |
WO2012101817A1 (ja) * | 2011-01-28 | 2012-08-02 | 三菱重工業株式会社 | 風力発電装置 |
CN102678472A (zh) * | 2011-03-18 | 2012-09-19 | 华锐风电科技(集团)股份有限公司 | 用于冷却风力发电机组的冷却装置及风力发电机组 |
EP4092265B1 (en) * | 2011-05-06 | 2024-07-10 | Siemens Gamesa Renewable Energy A/S | Cooling arrangement of a wind turbine |
US8961130B2 (en) * | 2011-06-03 | 2015-02-24 | Gamesa Innovation & Technology, S.L. | Cooling and climate control system and method for an offshore wind turbine |
US8992171B2 (en) * | 2011-09-01 | 2015-03-31 | Gamesa Innovation & Technology, S.L. | Energy efficient climate control system for an offshore wind turbine |
EP2565445B1 (en) * | 2011-09-02 | 2014-02-26 | Siemens Aktiengesellschaft | Transformer chamber for a wind turbine, wind turbine structure component, wind turbine, and method for assembling a wind turbine |
US8747060B2 (en) * | 2011-09-21 | 2014-06-10 | Gamesa Innovation & Technology, S.L. | Cooling and climate control system and method for a wind turbine |
-
2009
- 2009-02-27 CN CN2009801350616A patent/CN102149919A/zh active Pending
- 2009-02-27 US US13/120,327 patent/US20110175368A1/en not_active Abandoned
- 2009-02-27 BR BRPI0919518A patent/BRPI0919518A2/pt not_active IP Right Cessation
- 2009-02-27 AU AU2009341223A patent/AU2009341223B2/en not_active Ceased
- 2009-02-27 EP EP09840801.6A patent/EP2402593A4/en not_active Withdrawn
- 2009-02-27 CA CA2735796A patent/CA2735796A1/en not_active Abandoned
- 2009-02-27 WO PCT/JP2009/053744 patent/WO2010097948A1/ja active Application Filing
- 2009-02-27 KR KR1020117007321A patent/KR20110050705A/ko active IP Right Grant
- 2009-02-27 JP JP2011501430A patent/JP5404764B2/ja not_active Expired - Fee Related
- 2009-07-01 TW TW098122297A patent/TWI382125B/zh not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5865977A (ja) * | 1981-10-14 | 1983-04-19 | Hitachi Ltd | 風力発電装置の冷却機構 |
JPH11508760A (ja) * | 1996-04-30 | 1999-07-27 | ジーメンス カナダ リミテッド | 換気用の軸流空気入口を有するブロワーホイール |
US20070222223A1 (en) * | 2006-03-22 | 2007-09-27 | General Electric Company | Wind turbine generators having wind assisted cooling systems and cooling methods |
US7427814B2 (en) | 2006-03-22 | 2008-09-23 | General Electric Company | Wind turbine generators having wind assisted cooling systems and cooling methods |
US20080025847A1 (en) * | 2006-07-31 | 2008-01-31 | Ewald Teipen | Ventilation assembly for wind turbine rotor hub |
WO2008098574A1 (en) * | 2007-02-12 | 2008-08-21 | Vestas Wind Systems A/S | A wind turbine, a method for establishing at least one aperture in the spinner on the hub of a wind turbine rotor and use of a wind turbine |
Non-Patent Citations (1)
Title |
---|
See also references of EP2402593A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102753821A (zh) * | 2011-01-28 | 2012-10-24 | 三菱重工业株式会社 | 风力发电装置 |
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JP5404764B2 (ja) | 2014-02-05 |
JPWO2010097948A1 (ja) | 2012-08-30 |
EP2402593A1 (en) | 2012-01-04 |
AU2009341223A1 (en) | 2010-09-02 |
EP2402593A4 (en) | 2013-04-10 |
KR20110050705A (ko) | 2011-05-16 |
US20110175368A1 (en) | 2011-07-21 |
TWI382125B (zh) | 2013-01-11 |
BRPI0919518A2 (pt) | 2015-12-08 |
CN102149919A (zh) | 2011-08-10 |
TW201031819A (en) | 2010-09-01 |
AU2009341223B2 (en) | 2012-06-14 |
CA2735796A1 (en) | 2010-09-02 |
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