WO2003084031A1 - Mecanisme de production d'energie pour production d'energie eolienne - Google Patents

Mecanisme de production d'energie pour production d'energie eolienne Download PDF

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Publication number
WO2003084031A1
WO2003084031A1 PCT/JP2003/003570 JP0303570W WO03084031A1 WO 2003084031 A1 WO2003084031 A1 WO 2003084031A1 JP 0303570 W JP0303570 W JP 0303570W WO 03084031 A1 WO03084031 A1 WO 03084031A1
Authority
WO
WIPO (PCT)
Prior art keywords
power generation
torque
power
low
unit
Prior art date
Application number
PCT/JP2003/003570
Other languages
English (en)
Japanese (ja)
Inventor
Jiro Tsukahara
Takumi Katayama
Toshio Ikeda
Original Assignee
Daiwa House Industry Co.,Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daiwa House Industry Co.,Ltd. filed Critical Daiwa House Industry Co.,Ltd.
Priority to AU2003221054A priority Critical patent/AU2003221054A1/en
Publication of WO2003084031A1 publication Critical patent/WO2003084031A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • 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
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • F05B2220/7068—Application in combination with an electrical generator equipped with permanent magnets
    • 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 power generation mechanism for wind power generation.
  • switching between power generation when the wind is strong and when the wind is weak is performed by changing the number of poles.
  • Switching of the number of poles is mainly performed by switching between 4 and 6 poles in induction generators, and in some synchronous generators, switching can be performed with more poles.
  • the main purpose of all generators is to generate power at medium and high wind speeds.In the latter case, as described above, it is necessary to switch the number of poles so that power can be generated at theoretically low torque. However, there is a practical limit to the number of pole switching patterns, and it is practically difficult or impossible to design power generation at low wind speeds, or if possible, the control circuit is very complicated. Was a problem. In the latter type of induction generator, switching between 4 and 6 poles is the mainstream as described above, and it is difficult to respond.
  • the present invention is directed to a wind power generation system capable of generating power at low wind speed and low torque while generating power at medium and high wind speeds in the above-described background.
  • An object of the present invention is to provide a power generation mechanism. Disclosure of the invention
  • the above problem is characterized in that, in combination with the induction-type power generation main unit or the synchronous-type power generation main unit, a low-torque power generation unit that generates power with lower torque than the power generation by these power generation main units is provided.
  • the problem is solved by a power generation mechanism for wind power generation.
  • This power generation mechanism is provided with a low-torque power generation unit that generates power at a lower torque than the power generation by these power generation main units, separately from the induction-type power generation unit or the synchronous power generation main unit. Therefore, not only power generation by the induction-type power generation unit or synchronous power generation unit, but also power generation with lower torque is performed by the low-torque power generation unit, and therefore, power generation at medium and high wind speeds can be performed. However, power can be generated at low wind speed and low torque.
  • power generation at low torque can be realized by adding a low-torque power generation unit without switching the number of poles of the induction-type power generation unit or the synchronous-type power generation main unit itself. It is possible to easily realize a power generation structure over a wide range of middle and high ranges.
  • the low-torque power generation unit when configured such that a permanent magnet is mounted on a rotating shaft so as to rotate integrally therewith, and a power generation coil as a stator is provided on an outer peripheral side of the permanent magnet.
  • a power generation coil as a stator is provided on an outer peripheral side of the permanent magnet.
  • FIG. 1 is a side view of a wind turbine provided with a power generation mechanism according to an embodiment.
  • 2 is a blade
  • 3 is a synchronous power generation main body
  • 4 is a low torque power generation unit.
  • the blade 2 and the synchronous power generation main body 3 are connected by a rotating shaft 5.
  • the rotating shaft 5 is used to include both the blade shaft from the blade 2 and the generator shaft of the synchronous power generation main body 3.
  • reference numeral 3a denotes an exciting current coil, but it may be an exciting winding type or a permanent magnet type.
  • the low-torque power generation unit 4 generates power at a lower torque than the power generation by the synchronous power generation main unit 3.
  • the low torque power generation unit 4 is provided between the blade 2 and the synchronous power generation main unit 3, and rotates.
  • the permanent magnet 4a is attached to the shaft 5 so as to rotate integrally therewith, and a power generating coil 4b provided as a stator on the outer peripheral side of the permanent magnet 4a.
  • the location of the low-torque power generation unit 4 is not limited to the position between the blade 2 and the synchronous power generation main unit 3.
  • the rotary shaft 5 may be provided on the shaft portion, and is not necessarily limited to the rotating shaft 5 as described above.
  • the above-mentioned power generating mechanism is provided with a low-torque power generating unit 4 that generates power at a lower torque than the power generated by the power generating main unit 3, separately from the synchronous power generating main unit 3.
  • the low-torque power generation unit 4 generates power at low torque as well as power generation at low wind speeds and low torque while generating power at medium and high wind speeds. .
  • a low-torque power generation unit 4 can be retrofitted to a power generation wind turbine equipped with a synchronous power generation main unit 3 for medium and high wind speeds. Can be.
  • the low-torque power generating section 4 is composed of a simple power generating section composed of the rotating shaft permanent magnet 4a and the power generating coil on the outer periphery thereof.
  • the power generation unit 4 can be incorporated.
  • the synchronous power generation main unit 3 in the above embodiment may be configured by an induction generator.
  • the low-torque power generation unit 4 may use a magnet 4a and a coil 4b, but generate power by various methods.
  • power generation in an ultra-high-speed range that exceeds power generation in the medium-to-high-speed range by the power generation main unit 3 is combined with the power generation main unit 3 to generate power at a higher torque than power generation by the power generation main unit 3. It may be realized by providing a torque power generation unit, so that power can be generated at medium and high wind speeds, but also at higher wind speeds and high torque. And it can be easily achieved.
  • the high-torque power generation unit in this case is composed of the permanent magnet on the rotating shaft and the power generation coil on the outer periphery thereof, the effect can be realized with a simple high-torque power generation unit.
  • This high torque power generation unit is synchronous with the low torque power generation unit 4 May be provided in combination with the power generation main body 3 such as the above, or the low torque power generation section 4 may be omitted and provided in combination with the power generation main body 3 such as a synchronous type.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

La présente invention concerne un mécanisme de production d'énergie destiné à la production d'énergie éolienne, qui est capable de produire de l'énergie à des vitesses de vent moyennes à élevées et à de faibles vitesses de vent avec un couple faible sans difficulté. Selon l'invention, une combinaison d'une section corps principal de production d'énergie de type induit ou d'une section corps principal de production d'énergie de type synchrone (3) comprend une section de production d'énergie à couple faible (4) permettant de produire de l'énergie avec un couple inférieur à celui qui est nécessaire pour produire de l'énergie à la section corps principal de production d'énergie (3). La section de production d'énergie à couple faible (4) comprend, par exemple, un aimant permanent (4a) monté sur un arbre rotatif (5) de telle façon qu'il tourne intrégralement, et une bobine de production d'énergie (4b) comme stator, placée à la périphérie extérieure de l'aimant permanent (4a).
PCT/JP2003/003570 2002-03-29 2003-03-25 Mecanisme de production d'energie pour production d'energie eolienne WO2003084031A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003221054A AU2003221054A1 (en) 2002-03-29 2003-03-25 Power generation mechanism for wind power generation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-94947 2002-03-29
JP2002094947A JP2003299325A (ja) 2002-03-29 2002-03-29 風力発電用の発電機構

Publications (1)

Publication Number Publication Date
WO2003084031A1 true WO2003084031A1 (fr) 2003-10-09

Family

ID=28671798

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/003570 WO2003084031A1 (fr) 2002-03-29 2003-03-25 Mecanisme de production d'energie pour production d'energie eolienne

Country Status (3)

Country Link
JP (1) JP2003299325A (fr)
AU (1) AU2003221054A1 (fr)
WO (1) WO2003084031A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101187308B1 (ko) * 2009-10-28 2012-10-02 김종찬 풍력발전기 및 풍력발전기의 작동방법
CN104153945A (zh) * 2014-08-21 2014-11-19 哈尔滨奥展新能源科技发展有限公司 风力发电机
KR101546822B1 (ko) 2015-07-06 2015-08-24 (주)누리일렉콤 풍력 발전기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62165762U (fr) * 1986-04-10 1987-10-21
JPH04172936A (ja) * 1990-11-02 1992-06-19 Fuji Electric Co Ltd 永久磁石付き回転子
JPH05260706A (ja) * 1992-03-10 1993-10-08 Shinko Electric Co Ltd 回転電機における永久磁石内蔵型回転子の製造方法
RU2105405C1 (ru) * 1995-05-15 1998-02-20 Акционерное общество "Литком" Одноименнополюсный индукторный генератор с встроенным силовым выпрямителем
JP2000249052A (ja) * 1999-02-26 2000-09-12 Matsushita Electric Ind Co Ltd 圧縮機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62165762U (fr) * 1986-04-10 1987-10-21
JPH04172936A (ja) * 1990-11-02 1992-06-19 Fuji Electric Co Ltd 永久磁石付き回転子
JPH05260706A (ja) * 1992-03-10 1993-10-08 Shinko Electric Co Ltd 回転電機における永久磁石内蔵型回転子の製造方法
RU2105405C1 (ru) * 1995-05-15 1998-02-20 Акционерное общество "Литком" Одноименнополюсный индукторный генератор с встроенным силовым выпрямителем
JP2000249052A (ja) * 1999-02-26 2000-09-12 Matsushita Electric Ind Co Ltd 圧縮機

Also Published As

Publication number Publication date
AU2003221054A1 (en) 2003-10-13
JP2003299325A (ja) 2003-10-17

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