JP5081574B2 - 燃料電池システムの負荷増加時の運転方法 - Google Patents
燃料電池システムの負荷増加時の運転方法 Download PDFInfo
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Description
16…原燃料供給装置 18…酸化剤ガス供給装置
20…水供給装置 22…電力変換装置
24…制御装置 28…電解質・電極接合体
30…セパレータ 32…燃料電池
34…燃料電池スタック 36…熱交換器
38…蒸発器 40…改質器
52…空気供給管 56…原燃料通路
58…水通路 72a〜72c…温度センサ
74a〜74c…流量センサ
Claims (13)
- 燃料ガスと酸化剤ガスとの電気化学反応により発電する燃料電池モジュールと、
前記燃料電池モジュールに前記燃料ガスを供給する燃料ガス供給装置と、
前記燃料電池モジュールに前記酸化剤ガスを供給する酸化剤ガス供給装置と、
前記燃料電池モジュールに水を供給する水供給装置と、
前記燃料電池モジュールで発生した直流電力を要求仕様電力に変換する電力変換装置と、
前記燃料電池モジュールの発電量を制御する制御装置と、
を備える燃料電池システムの負荷増加時の運転方法であって、
前記燃料電池モジュールの目標発電量を設定する第1の工程と、
前記燃料電池モジュールに供給する前記酸化剤ガスを増加させる第2の工程と、
前記第2の工程が開始された後、前記燃料電池モジュールに供給する前記水を増加させる第3の工程と、
前記第3の工程が開始された後、前記燃料電池モジュールに供給する前記燃料ガスを増加させる第4の工程と、
前記第4の工程が開始された後、前記燃料電池モジュールの燃料利用率が設定範囲内であると判断された際、及び、前記燃料電池モジュールが空気枯渇にならないと判断された際、前記燃料電池モジュールの発電量を増加させる第5の工程と、
前記第5の工程が開始された後、前記燃料電池モジュールの発電量が前記目標発電量以上に至ったか否かを検出する第6の工程と、
を有することを特徴とする燃料電池システムの負荷増加時の運転方法。 - 請求項1記載の運転方法において、前記燃料電池モジュールは、電解質をアノード電極とカソード電極とで挟んで構成される電解質・電極接合体とセパレータとが積層される燃料電池を設け、複数の前記燃料電池が積層される燃料電池スタックと、
前記酸化剤ガスを前記燃料電池スタックに供給する前に加熱する熱交換器と、
炭化水素を主体とする前記燃料ガスである原燃料と前記水を蒸発させた水蒸気との混合燃料を生成する蒸発器と、
前記混合燃料を改質して改質ガスを生成する改質器と、
を有することを特徴とする燃料電池システムの負荷増加時の運転方法。 - 請求項1又は2記載の運転方法において、前記第2の工程では、前記燃料電池モジュールに供給する前記酸化剤ガスを連続的又は段階的に増加させることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項1〜3のいずれか1項に記載の運転方法において、前記第3の工程では、前記燃料電池モジュールに供給する前記水を連続的又は段階的に増加させることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項2記載の運転方法において、前記第4の工程では、前記燃料電池スタックの温度が設定温度内であると判断された際、前記燃料電池モジュールに供給する前記燃料ガスを増加させることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項1〜5のいずれか1項に記載の運転方法において、前記第4の工程では、少なくとも前記燃料電池モジュールに供給される前記酸化剤ガスの流量、前記燃料ガスの流量又は前記燃料電池モジュールの電流に基づいて前記燃料電池モジュールが空気枯渇にならないと判断された際、前記燃料電池モジュールに供給する前記燃料ガスを増加させることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項2又は5記載の運転方法において、前記第4の工程では、少なくとも前記燃料電池モジュールに供給される前記燃料ガスの流量、前記水の流量、前記蒸発器の温度又は前記改質器の温度に基づいて前記燃料電池モジュールが炭素析出にならないと判断された際、前記燃料電池モジュールに供給する前記燃料ガスを増加させることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項1〜7のいずれか1項に記載の運転方法において、前記第4の工程では、前記燃料電池モジュールに供給する前記燃料ガスを連続的又は段階的に増加させることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項1〜8のいずれか1項に記載の運転方法において、前記第5の工程では、少なくとも前記燃料電池モジュールに供給される前記燃料ガスの流量、又は前記燃料電池モジュールの電流に基づいて前記燃料電池モジュールの燃料利用率が設定範囲内であると判断された際、前記燃料電池モジュールの発電量を増加させることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項1〜9のいずれか1項に記載の運転方法において、前記第5の工程では、少なくとも前記燃料電池モジュールに供給される前記酸化剤ガスの流量、前記燃料ガスの流量又は前記燃料電池モジュールの電流に基づいて前記燃料電池モジュールが空気枯渇にならないと判断された際、前記燃料電池モジュールの発電量を増加させることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項1〜10のいずれか1項に記載の運転方法において、前記第5の工程では、前記燃料電池モジュールの発電量を連続的又は段階的に増加させることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項1〜11のいずれか1項に記載の運転方法において、前記第6の工程では、前記発電量が前記目標発電量未満であると判断された際、前記第2の工程に戻ることを特徴とする燃料電池システムの負荷増加時の運転方法。
- 請求項1〜12のいずれか1項に記載の運転方法において、前記燃料電池は、固体酸化物形燃料電池であることを特徴とする燃料電池システムの負荷増加時の運転方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2007275212A JP5081574B2 (ja) | 2007-10-23 | 2007-10-23 | 燃料電池システムの負荷増加時の運転方法 |
PCT/JP2008/069171 WO2009054426A1 (en) | 2007-10-23 | 2008-10-16 | Operation method at the time of load increase of fuel cell system |
US12/738,513 US8435691B2 (en) | 2007-10-23 | 2008-10-16 | Operation method at the time of load increase of fuel cell system |
EP08842200A EP2206186B1 (en) | 2007-10-23 | 2008-10-16 | Operation method at the time of load increase of fuel cell system |
AT08842200T ATE505823T1 (de) | 2007-10-23 | 2008-10-16 | Betriebsverfahren zum zeitpunkt der lastzunahme eines brennstoffzellensystems |
DE602008006247T DE602008006247D1 (de) | 2007-10-23 | 2008-10-16 | Betriebsverfahren zum zeitpunkt der lastzunahme eines brennstoffzellensystems |
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JP2007275212A JP5081574B2 (ja) | 2007-10-23 | 2007-10-23 | 燃料電池システムの負荷増加時の運転方法 |
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JP2009104886A JP2009104886A (ja) | 2009-05-14 |
JP5081574B2 true JP5081574B2 (ja) | 2012-11-28 |
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EP (1) | EP2206186B1 (ja) |
JP (1) | JP5081574B2 (ja) |
AT (1) | ATE505823T1 (ja) |
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JP5391976B2 (ja) * | 2009-09-30 | 2014-01-15 | Toto株式会社 | 固体電解質型燃料電池 |
JP5783358B2 (ja) * | 2011-03-31 | 2015-09-24 | Toto株式会社 | 固体酸化物型燃料電池 |
WO2012043697A1 (ja) | 2010-09-29 | 2012-04-05 | Toto株式会社 | 固体酸化物型燃料電池 |
DE102011006531B4 (de) * | 2011-03-31 | 2022-12-29 | Eberspächer Climate Control Systems GmbH & Co. KG | Brennstoffzellensystem und zugehöriges Betriebsverfahren |
JP5800281B2 (ja) * | 2011-09-21 | 2015-10-28 | Toto株式会社 | 固体酸化物型燃料電池 |
JP5855955B2 (ja) * | 2012-01-30 | 2016-02-09 | 京セラ株式会社 | エネルギー管理装置 |
JP6382623B2 (ja) * | 2013-08-05 | 2018-08-29 | 日本特殊陶業株式会社 | 燃料電池システム、燃料電池システムの制御装置、及び燃料電池システムの制御方法 |
JP6278339B2 (ja) * | 2014-03-27 | 2018-02-14 | Toto株式会社 | 固体酸化物型燃料電池装置 |
CN107464944B (zh) | 2016-05-27 | 2021-02-02 | 通用电气公司 | 燃料电池系统及其操作方法 |
JP6857846B2 (ja) * | 2016-06-29 | 2021-04-14 | パナソニックIpマネジメント株式会社 | 燃料電池システムおよびその運転方法 |
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JPS6345764A (ja) | 1986-08-12 | 1988-02-26 | Fuji Electric Co Ltd | 燃料電池発電プラントの運転制御装置 |
JP2846205B2 (ja) | 1993-02-04 | 1999-01-13 | 溶融炭酸塩型燃料電池発電システム技術研究組合 | 溶融炭酸塩型燃料電池用燃料供給方法 |
JPH0722045A (ja) | 1993-07-05 | 1995-01-24 | Ishikawajima Harima Heavy Ind Co Ltd | 燃料電池発電装置の制御方法 |
JP2924673B2 (ja) * | 1994-11-29 | 1999-07-26 | 三菱電機株式会社 | 燃料電池発電システムの運転制御方法 |
JP3692955B2 (ja) * | 2001-03-19 | 2005-09-07 | 日産自動車株式会社 | 燃料電池の冷却制御装置 |
DE10140603A1 (de) * | 2001-08-18 | 2003-03-20 | Ballard Power Systems | Verfahren zur elektrischen Leistungsregelung eines Brennstoffzellensystems |
JP2003086225A (ja) | 2001-09-12 | 2003-03-20 | Nippon Telegr & Teleph Corp <Ntt> | 固体酸化物形燃料電池およびその運転方法 |
US7410713B2 (en) * | 2002-12-23 | 2008-08-12 | General Electric Company | Integrated fuel cell hybrid power plant with re-circulated air and fuel flow |
JP4682527B2 (ja) * | 2004-04-13 | 2011-05-11 | トヨタ自動車株式会社 | 燃料電池の制御装置 |
JP2006040607A (ja) | 2004-07-23 | 2006-02-09 | Babcock Hitachi Kk | 燃料電池システム |
US7386375B2 (en) * | 2004-09-07 | 2008-06-10 | General Motors Corporation | Gasoline fuel cell power system transient control |
JP4761182B2 (ja) | 2004-09-22 | 2011-08-31 | トヨタ自動車株式会社 | 燃料電池システム |
US8202661B2 (en) * | 2006-06-27 | 2012-06-19 | Fuelcell Energy, Inc. | Method and system for recovering high power output operation of high temperature fuel cells using a rapid load recovery procedure |
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JP2009104886A (ja) | 2009-05-14 |
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