JPS6410671B2 - - Google Patents
Info
- Publication number
- JPS6410671B2 JPS6410671B2 JP59007661A JP766184A JPS6410671B2 JP S6410671 B2 JPS6410671 B2 JP S6410671B2 JP 59007661 A JP59007661 A JP 59007661A JP 766184 A JP766184 A JP 766184A JP S6410671 B2 JPS6410671 B2 JP S6410671B2
- Authority
- JP
- Japan
- Prior art keywords
- wind turbine
- hydraulic
- variable pitch
- prevention device
- relief valve
- 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.)
- Expired
Links
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000002265 prevention Effects 0.000 claims description 10
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 description 9
- 230000005856 abnormality Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- 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
- F03D7/0224—Adjusting blade pitch
-
- 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
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/101—Purpose of the control system to control rotational speed (n)
- F05B2270/1011—Purpose of the control system to control rotational speed (n) to prevent overspeed
-
- 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
- F05B2270/00—Control
- F05B2270/50—Control logic embodiment by
- F05B2270/506—Control logic embodiment by hydraulic means, e.g. hydraulic valves within a hydraulic circuit
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59007661A JPS60150481A (ja) | 1984-01-19 | 1984-01-19 | 可変ピツチ風車の油圧式過回転防止装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59007661A JPS60150481A (ja) | 1984-01-19 | 1984-01-19 | 可変ピツチ風車の油圧式過回転防止装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60150481A JPS60150481A (ja) | 1985-08-08 |
JPS6410671B2 true JPS6410671B2 (enrdf_load_stackoverflow) | 1989-02-22 |
Family
ID=11671992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59007661A Granted JPS60150481A (ja) | 1984-01-19 | 1984-01-19 | 可変ピツチ風車の油圧式過回転防止装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60150481A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2508099B2 (ja) * | 1987-06-22 | 1996-06-19 | 石川島播磨重工業株式会社 | 風力発電装置 |
US7121795B2 (en) * | 2004-06-30 | 2006-10-17 | General Electric Company | Method and apparatus for reducing rotor blade deflections, loads, and/or peak rotational speed |
ATE483910T1 (de) | 2007-04-30 | 2010-10-15 | Vestas Wind Sys As | Verfahren zum betrieb einer windturbine mit anstellwinkelsteuerung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57191474A (en) * | 1981-05-20 | 1982-11-25 | Hitachi Ltd | Speed regulating apparatus for propeller type wind turbine |
BE891429A (nl) * | 1981-12-10 | 1982-03-31 | Hayen Jos | Inrichting voor het orienteren van de wieken van een windmolen. |
-
1984
- 1984-01-19 JP JP59007661A patent/JPS60150481A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60150481A (ja) | 1985-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |