JP4916991B2 - 急速凍結起動のための燃料電池起動方法 - Google Patents
急速凍結起動のための燃料電池起動方法 Download PDFInfo
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Description
以下の詳細な記述及び添付の図面は、本発明の様々な例示的な実施の形態を説明し、図示するものである。この記述及び図面は当業者が本発明を製作し使用できるようにするのに役立つが、本発明の範囲をどのようにも限定するものではない。開示された方法に関し、提示された諸ステップは本質的に例示であり、したがって各ステップの順番は必然的でも決定的なものでもない。
Claims (15)
- 燃料電池システムを起動させる方法であって、
(a)燃料電池スタック、第1の電源及び少なくとも1つの起動構成要素を提供するステップと、
(b)前記第1の電源の充電状態を決定するステップと、
(c)前記第1の電源の充電状態が十分である場合には、前記起動構成要素を起動させるために前記第1の電源を選択し、前記第1の電源の充電状態が不十分である場合には、前記起動構成要素を起動するために、前記第1の電源よりも低い電圧を発生する第2の電源を選択するステップと、
(d)前記燃料電池システムと前記第1の電源との間の電力の流れを制御するステップと、
(e)前記燃料電池スタックにかかる負荷を管理するための負荷スケジュールを使用して、所望の燃料電池スタック電圧を維持するステップと、
を含む方法。 - 前記第1の電源により複数の負荷に電力を供給するステップをさらに含む、請求項1に記載の方法。
- 前記少なくとも1つの起動構成要素がエア・コンプレッサ、弁ヒータ又は高温冷却液ポンプである、請求項1に記載の方法。
- 前記負荷が、燃料電池スタックの端部プレート・ヒータと補助起動冷却液ヒータと車両運転室ヒータとのうちの少なくとも1つを含む、請求項2に記載の方法。
- 燃料電池スタック平均電池電圧を達成するために、前記負荷スケジュールを使用して前記燃料電池スタック出力を制御することによって前記ステップ(e)を実行するステップを含む、請求項1に記載の方法。
- 燃料電池スタックの最小電池電圧を得るために、前記負荷スケジュールを使用して前記燃料電池スタック出力を制御することによって前記ステップ(e)を実行するステップを含む、請求項1に記載の方法。
- 前記負荷スケジュールに従って負荷を追加又は除去するとき、前記燃料電池スタックに対する過激な変化を回避するためにランプ関数を利用するステップをさらに含む、請求項1に記載の方法。
- 前記負荷スケジュールと並行して、ヒータの温度制御ループなどの局所制御ループを動作させるステップをさらに含む、請求項1に記載の方法。
- 前記局所制御ループが前記負荷スケジュールに優先することができる、請求項8に記載の方法。
- 前記燃料電池スタックの温度を監視し、目標燃料電池スタック温度が達成されるまで、前記負荷スケジュールを使用して所望の燃料電池スタック電圧を維持するステップをさらに含む、請求項1に記載の方法。
- 燃料電池スタック、第1の電源、該第1の電源よりも低い電圧を発生する第2の電源及び複数の起動構成要素を有する燃料電池システムを起動させる方法であって、
a.前記第1の電源の充電状態を決定するステップと、
b.前記第1の電源の前記充電状態が十分である場合に、前記第1の電源を使用して前記起動構成要素を起動させるステップと、
c.前記第1の電源の前記充電状態が不十分である場合に、前記第2の電源を使用して前記起動構成要素を起動させるステップと、
d.前記燃料電池スタックが開回路電圧を達成した後に、前記燃料電池スタックを電圧バスに接続するステップと、
e.所望の燃料電池電圧を維持するために、負荷スケジュールを使用して前記燃料電池出力を制御するステップと、
f.前記負荷スケジュールに優先することができる局所制御ループを使用して、前記燃料電池に接続された前記起動構成要素を制御するステップと、
g.前記燃料電池スタックの温度を監視し、目標燃料電池スタック温度が達成されるまで、前記負荷スケジュールを使用して燃料電池スタック出力を制御するステップと、
を含む方法。 - 前記燃料電池スタックが開回路電圧を得た後、前記燃料電池スタックを前記電圧バスに接続する前に、前記起動構成要素への電力を低減させるステップをさらに含む、請求項11に記載の方法。
- 前記前記燃料電池スタックが開回路電圧を達成した後、前記電圧バスに接続する前に、少なくとも1つの燃料インジェクタを開くステップをさらに含む、請求項11に記載の方法。
- 前記所望の燃料電池電圧が、約0.5ボルトの燃料電池スタック平均電池電圧と約0.2ボルトの燃料電池スタック最小電池電圧とのうちの少なくとも一方である、請求項11に記載の方法。
- 少なくとも燃料電池の端部プレート・ヒータ、電気的補助冷却液ヒータ、電気的運転室ヒータ及び前記電圧電源の再充電に対して、動作のために前記起動構成要素に電力を供給する負荷スケジュールを利用することによって且つその順序で非効率的なカソード制御を利用することによって、前記ステップ(e)を実行するステップを含む、請求項11に記載の方法。
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US11/536,759 US8835065B2 (en) | 2006-09-29 | 2006-09-29 | Fuel cell startup method for fast freeze startup |
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KR101628507B1 (ko) | 2014-10-29 | 2016-06-08 | 현대자동차주식회사 | 연료전지 차량의 시동 제어방법 |
US9770998B2 (en) | 2014-10-29 | 2017-09-26 | Hyundai Motor Company | Control method and system for starting of fuel cell vehicle |
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US8835065B2 (en) | 2014-09-16 |
CN101154739B (zh) | 2010-12-15 |
US20140342258A1 (en) | 2014-11-20 |
CN101154739A (zh) | 2008-04-02 |
DE102007046057A1 (de) | 2008-04-24 |
US9728799B2 (en) | 2017-08-08 |
DE102007046057B4 (de) | 2018-12-06 |
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US20080081224A1 (en) | 2008-04-03 |
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