JP6084824B2 - 波力発電装置及びその制御方法 - Google Patents
波力発電装置及びその制御方法 Download PDFInfo
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- JP6084824B2 JP6084824B2 JP2012257696A JP2012257696A JP6084824B2 JP 6084824 B2 JP6084824 B2 JP 6084824B2 JP 2012257696 A JP2012257696 A JP 2012257696A JP 2012257696 A JP2012257696 A JP 2012257696A JP 6084824 B2 JP6084824 B2 JP 6084824B2
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- power generation
- buoy
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- gas
- wave power
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- 238000000034 method Methods 0.000 title claims description 23
- 238000010248 power generation Methods 0.000 claims description 167
- 239000013535 sea water Substances 0.000 claims description 28
- 230000008602 contraction Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 20
- 238000004891 communication Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001681 protective effect 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1845—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
-
- 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
- F05B2270/107—Purpose of the control system to cope with emergencies
- F05B2270/1077—Storm protection
-
- 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
- F05B2270/20—Purpose of the control system to optimise the performance of a machine
- F05B2270/202—Tuning to wave conditions
-
- 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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Description
、津波の発生等、検知から波の到来まで時間が短い場合であっても、発電ブイ2を迅速に海水中に沈降させ、波力発電装置の故障を防止することができる。また、復旧作業を容易且つ迅速に行うことができる。
2、2A、2C 発電ブイ
2F ブイ正面
2S ブイ側面
3、3B 胴体
4、4B アンカー
5 ストッパー
6 固縛装置
21、21A ブイ本体
22 膨張体
23 連通口
24 凹部
A 気体(空気)
W 波
Claims (5)
- 胴体と、前記胴体に沿って上下運動する発電ブイと、発電機構を有する波力発電装置において、
前記発電ブイが、ブイ本体と、前記ブイ本体に固定され内部に気体を充填した膨張体を有しており、
前記膨張体が波の上流となる波上側のブイ正面に対して側方となるブイ側面にそれぞれ配置されていて、
前記波力発電装置が、荒天時に前記膨張体内の気体を外部に放出し、前記発電ブイを海面下に沈降させる荒天制御を行う構成を有していることを特徴とする波力発電装置。 - 前記発電ブイが、前記膨張体を設置された境界面に凹部を有しており、
前記凹部が、気体を放出した前記膨張体を格納する構成を有している請求項1に記載の波力発電装置。 - 前記胴体が、前記荒天制御により沈降した前記発電ブイの沈降を停止させるストッパーと、前記発電ブイを前記胴体に固定する固縛装置を有している請求項1または2に記載の波力発電装置。
- 胴体と、前記胴体に沿って上下運動する発電ブイと、発電機構を有する波力発電装置において、
前記発電ブイが、ブイ本体と、前記ブイ本体に固定され内部に気体を充填した膨張体を有しており、
前記波力発電装置が、荒天時に前記膨張体内の気体を外部に放出し、前記発電ブイを海面下に沈降させる荒天制御を行う構成を有していて、
前記胴体が、前記荒天制御により沈降した前記発電ブイの沈降を停止させるストッパーと、前記発電ブイを前記胴体に固定する固縛装置を有していることを特徴とする波力発電装置。 - 胴体と、前記胴体に沿って上下運動する発電ブイと、発電機構を有する波力発電装置であり、
前記発電ブイが、ブイ本体と、前記ブイ本体に固定され内部に気体を充填した膨張体を
有する波力発電装置の制御方法であって、
通常時に、気体を充填された前記膨張体を有する前記発電ブイが、波により上下運動し発電を行う発電制御を行い、
荒天時に、少なくとも前記膨張体内の気体を外部に放出する収縮ステップと、前記発電ブイが海水中に沈降する沈降ステップと、前記胴体に設置される固縛装置が沈降した前記発電ブイを前記胴体に固定する固定ステップとを行う荒天制御を行うことを特徴とする制御方法。
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JP2012257696A JP6084824B2 (ja) | 2012-11-26 | 2012-11-26 | 波力発電装置及びその制御方法 |
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JP2012257696A JP6084824B2 (ja) | 2012-11-26 | 2012-11-26 | 波力発電装置及びその制御方法 |
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JP2014105603A JP2014105603A (ja) | 2014-06-09 |
JP6084824B2 true JP6084824B2 (ja) | 2017-02-22 |
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JP2012257696A Active JP6084824B2 (ja) | 2012-11-26 | 2012-11-26 | 波力発電装置及びその制御方法 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6435551B2 (ja) * | 2014-12-16 | 2018-12-12 | 株式会社三井E&Sマシナリー | 波力発電装置 |
WO2019074141A1 (ko) * | 2017-10-13 | 2019-04-18 | 송승관 | 진동수주형 웨이브 서지 컨버팅 장치 |
JP2021161990A (ja) * | 2020-04-01 | 2021-10-11 | 国立大学法人 東京大学 | 波力発電制御方法、波力発電制御装置、波力発電装置、及びフロート |
GB202017475D0 (en) * | 2020-11-04 | 2020-12-16 | Marine Power Systems Ltd | Wave energy absorber with adjustable hydrodynamic properties |
WO2023034132A1 (en) * | 2021-08-31 | 2023-03-09 | Alliance For Sustainable Energy, Llc | Two-body variable geometry wave energy converter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5467146A (en) * | 1977-11-05 | 1979-05-30 | Ooshiyan Enerugii Kaihatsu Kk | Method of varying natural synchronous period of up and down oscillation floating body |
JP4676443B2 (ja) * | 2004-02-05 | 2011-04-27 | オーシャン パワー テクノロジーズ,インク. | 改良型の波力エネルギー変換器(wec)装置およびシステム |
US7476137B2 (en) * | 2005-08-29 | 2009-01-13 | Ocean Power Technologies, Inc. | Expandable wave energy conversion system |
CN101688512B (zh) * | 2006-11-03 | 2014-08-20 | 刻托知识产权有限公司 | 浮力致动器 |
US7632041B2 (en) * | 2007-04-25 | 2009-12-15 | Single Buoy Moorings, Inc. | Wave power generator systems |
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