JP2012522186A - 再生可能なエネルギ源による変動エネルギ流れからエネルギを抽出する方法および装置 - Google Patents
再生可能なエネルギ源による変動エネルギ流れからエネルギを抽出する方法および装置 Download PDFInfo
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Abstract
Description
WTGが突風を受ける場合の図1のWTGの制御における本発明の動作例が以下に説明される。
Claims (14)
- 再生可能なエネルギ源による変動エネルギ流れからエネルギを抽出するエネルギ抽出装置を動作させる方法であり、前記装置は、回転シャフトによって駆動される油圧ポンプと、再生可能なエネルギ源によって駆動される前記回転シャフトと、負荷を駆動する油圧モータと、前記油圧ポンプの出口および前記油圧モータの入口と流体連通する少なくとも1つの低圧マニホルドおよび高圧マニホルドとを含み、前記油圧ポンプおよび油圧モータはそれぞれ、容積が周期的に変わる複数の作動チャンバと、各作動チャンバと各マニホルドとの間で作動流体の正味吐出量を調整する複数の弁とを含み、各作動チャンバに対応する少なくとも1つの弁は電子制御式弁であり、前記電子制御式弁は、作動チャンバ容積の各サイクル時に、各前記作動チャンバによって吐出される作動流体の量を選択し、それにより、各前記油圧ポンプおよび前記油圧モータによる前記作動流体の正味吐出量を調整するように動作する方法であって、
前記高圧マニホルド内の圧力を測定することと、前記回転シャフトにかかるトルクを調整するように、前記測定した圧力に応じて、前記油圧ポンプによる前記作動流体の正味吐出量を選択することと、前記高圧マニホルド内の圧力が、可変である最適条件の方に向かうように、少なくとも前記油圧モータによる前記作動流体の正味吐出量を選択することとを特徴とする、方法。 - 前記最適条件は、最適圧力または最適圧力範囲である、請求項1に記載のエネルギ抽出装置を動作させる方法。
- 前記最適条件は、前記変動エネルギ流れの、測定した1つまたは複数の特性に応じて変えられる、請求項1または請求項2に記載のエネルギ抽出装置を動作させる方法。
- 前記最適条件は、前記再生可能なエネルギ源の、測定した1つまたは複数の特性に応じて変えられる、請求項1〜3のいずれか一項に記載のエネルギ抽出装置を動作させる方法。
- 前記最適条件は、前記油圧ポンプ、前記油圧モータ、または前記負荷の1つまたは複数の特性を考慮して変えられる、請求項1〜4のいずれか一項に記載の方法。
- 前記変動エネルギ流れまたは前記再生可能なエネルギ源の未来の特性を予測し、前記予測した未来の特性に応じて、前記最適条件を変えることを含む、請求項1〜5のいずれか一項に記載の方法。
- 前記最適条件は、前記回転シャフトから前記負荷への動力伝達効率を最適化するように選択される、請求項1〜6のいずれか一項に記載の方法。
- 少なくとも所定の範囲の圧力に対して、前記最適条件は、前記ポンプによって前記回転シャフトにかけられるトルクとは無関係である、請求項1〜7のいずれか一項に記載の方法。
- 前記エネルギ抽出装置は、前記高圧マニホルドと流体連通する弾性変形可能な流体保持体をさらに含み、前記最適条件は、前記弾性変形可能な流体保持体の1つまたは複数の特性を考慮して変えられる、請求項1〜8のいずれか一項に記載の方法。
- 少なくとも所定の範囲の圧力に対して、前記最適条件は、前記エネルギ抽出装置の寿命を最適化するように選択される、請求項1〜9のいずれか一項に記載の方法。
- 前記選択された最適圧力は、前記変動エネルギ流れからのエネルギ抽出率が低い最小量から、前記変動エネルギ流れからのエネルギ抽出率が高い最大量まで増大する、請求項1〜10のいずれか一項に記載の方法。
- 前記作動流体の温度は、前記選択された最適条件に応じて制御される、請求項1〜11のいずれか一項に記載の方法。
- 再生可能なエネルギ源による変動エネルギ流れからエネルギを抽出するエネルギ抽出装置であって、コントローラと、回転シャフトによって駆動される油圧ポンプと、再生可能なエネルギ源によって駆動される前記回転シャフトと、負荷を駆動する油圧モータと、前記油圧ポンプの出口および前記油圧モータの入口と流体連通する少なくとも1つの低圧マニホルドおよび高圧マニホルドと、前記高圧マニホルド内の圧力を測定する圧力センサとを有し、前記油圧ポンプおよび油圧モータはそれぞれ、周期的に容積が変化する複数の作動チャンバと、各作動チャンバと各マニホルドとの間で作動流体の正味吐出量を調整する複数の弁とを有し、各作動チャンバに対応するすくなくとも1つの弁は電子制御式の弁であり、前記電子制御式弁は、作動チャンバ容積の各サイクル時に、各前記作動チャンバによって吐出される作動流体の量を選択し、それによって、各前記油圧ポンプおよび前記油圧モータによる前記作動流体の正味吐出量を調整するようにコントローラで制御可能であり、前記コントローラは、請求項1〜12のいずれか一項の方法に従って前記エネルギ抽出装置を動作させるように機能する
エネルギ抽出装置。 - エネルギ抽出機械の前記コントローラによって実行される場合に、前記エネルギ抽出機械に請求項1〜12のいずれか一項に記載の方法を実行させるプログラムコード命令を含むコンピュータ可読記憶媒体。
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PCT/EP2011/058866 WO2011147997A2 (en) | 2010-05-28 | 2011-05-30 | Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy source |
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CN102741549B (zh) | 2016-02-10 |
GB2480683A (en) | 2011-11-30 |
GB2480683B (en) | 2014-09-10 |
AU2011226997A1 (en) | 2011-12-15 |
WO2011147997A3 (en) | 2012-04-19 |
GB201009012D0 (en) | 2010-07-14 |
WO2011147997A2 (en) | 2011-12-01 |
CN102741549A (zh) | 2012-10-17 |
KR101331627B1 (ko) | 2013-11-20 |
KR20120018288A (ko) | 2012-03-02 |
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US20120117958A1 (en) | 2012-05-17 |
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