KR20110045376A - 블레이드의 국부 공력면 변화를 이용하는 풍력발전용 블레이드의 하중 저감장치 - Google Patents
블레이드의 국부 공력면 변화를 이용하는 풍력발전용 블레이드의 하중 저감장치 Download PDFInfo
- Publication number
- KR20110045376A KR20110045376A KR1020090101927A KR20090101927A KR20110045376A KR 20110045376 A KR20110045376 A KR 20110045376A KR 1020090101927 A KR1020090101927 A KR 1020090101927A KR 20090101927 A KR20090101927 A KR 20090101927A KR 20110045376 A KR20110045376 A KR 20110045376A
- Authority
- KR
- South Korea
- Prior art keywords
- blade
- rudder
- wind power
- load reduction
- reduction device
- 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.)
- Granted
Links
- 238000010248 power generation Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Images
Classifications
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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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0232—Adjusting aerodynamic properties of the blades with flaps or slats
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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
- 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
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
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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
- 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
- F03D1/0675—Rotors characterised by their construction elements of the blades
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- 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
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/21—Rotors for wind turbines
- F05B2240/221—Rotors for wind turbines with horizontal axis
- F05B2240/2211—Rotors for wind turbines with horizontal axis of the multibladed, low speed, e.g. "American farm" type
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- 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
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/301—Cross-section characteristics
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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
Landscapes
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
Description
Claims (4)
- 풍력발전용 블레이드의 하중을 저감하기 위한 장치에 있어서,블레이드(1)의 끝부분에 위치되어 블레이드(1)의 공력면 중 한 부분이 되면서 블레이드(1)의 상부나 하부로 회전되어 블레이드(1)의 일부 공력면이 변화되는 형태를 발생시키는 러더(10);상기 블레이드(1)의 내부에 위치되어 러더(10)를 움직여 주는 액추에이터(20); 및상기 러더(10)에 의한 블레이드(1)의 공력면을 변화시키기 위해 액추에이터(20)의 구동을 제어하는 제어기(30);를 포함하여 구성된, 블레이드의 국부 공력면 변화를 이용하는 풍력발전용 블레이드의 하중 저감장치.
- 제 1항에 있어서,상기 블레이드(1)에는 블레이드(1)의 여러 지점에서 발생되는 응력을 감지하는 센서(40)가 위치되어 있고,상기 제어기(30)는 상기 센서(40)에 의해 감지된 데이터에 근거하여 액추에이터(20)의 움직임을 제어하는 것을 특징으로 하는, 블레이드의 국부 공력면 변화를 이용하는 풍력발전용 블레이드의 하중 저감장치.
- 제 2항에 있어서,상기 센서(40)는 블레이드 내에 위치된 광섬유센서인 것을 특징으로 하는, 블레이드의 국부 공력면 변화를 이용하는 풍력발전용 블레이드의 하중 저감장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 러더(10)가 복수 개 구비되어 있고, 제어기(30)는 각 러더(10)의 움직임을 각각 제어할 수 있는 것을 특징으로 하는, 블레이드의 국부 공력면 변화를 이용하는 풍력발전용 블레이드의 하중 저감장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090101927A KR101092878B1 (ko) | 2009-10-26 | 2009-10-26 | 블레이드의 국부 공력면 변화를 이용하는 풍력발전용 블레이드의 하중 저감장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090101927A KR101092878B1 (ko) | 2009-10-26 | 2009-10-26 | 블레이드의 국부 공력면 변화를 이용하는 풍력발전용 블레이드의 하중 저감장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110045376A true KR20110045376A (ko) | 2011-05-04 |
KR101092878B1 KR101092878B1 (ko) | 2011-12-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090101927A Active KR101092878B1 (ko) | 2009-10-26 | 2009-10-26 | 블레이드의 국부 공력면 변화를 이용하는 풍력발전용 블레이드의 하중 저감장치 |
Country Status (1)
Country | Link |
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KR (1) | KR101092878B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101354588B1 (ko) * | 2012-07-06 | 2014-01-23 | 부산대학교 산학협력단 | 피치제어 효과를 가지는 공기 분사 장치가 구비된 풍력 발전기용 블레이드 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109519341A (zh) * | 2018-10-16 | 2019-03-26 | 安徽科技学院 | 一种风力机叶片及其风力机 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7632068B2 (en) | 2003-03-31 | 2009-12-15 | Technical University Of Denmark | Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control |
-
2009
- 2009-10-26 KR KR1020090101927A patent/KR101092878B1/ko active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101354588B1 (ko) * | 2012-07-06 | 2014-01-23 | 부산대학교 산학협력단 | 피치제어 효과를 가지는 공기 분사 장치가 구비된 풍력 발전기용 블레이드 |
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KR101092878B1 (ko) | 2011-12-12 |
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