JP4627420B2 - 燃料電池発電システムとその制御方法 - Google Patents
燃料電池発電システムとその制御方法 Download PDFInfo
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Description
Claims (6)
- 水素系燃料を改質して又は水素系原料から水素を含む反応ガスを発生させる水素供給部と、酸素供給部と、これらの水素及び酸素供給部からそれぞれ水素及び酸素の供給を受けて発電する燃料電池と、前記水素供給部の温度を検出する温度センサと、この温度センサの検出温度に基いて、前記燃料電池の発電電力を調整して前記水素供給部の温度を制御する温度制御手段を備えた燃料電池発電システムにおいて、
前記温度制御手段は、前記燃料電池の発電電力の目標値として、第1の目標電力と、この第1の目標電力よりも低い第2の目標電力を設定する目標電力設定手段と、
前記検出温度が第1の予定温度を上回ったとき、その温度の時間変化率に応じた応答速度で、前記燃料電池の発電電力の目標を前記第1の目標電力に切換えるとともに、前記検出温度が、前記第1の予定温度よりも低い第2の予定温度を下回ったとき、その温度の時間変化率に応じた応答速度で、前記燃料電池の発電電力の目標を前記第2の目標電力に切換える発電電力制御手段を備えたことを特徴とする燃料電池発電システム。 - 請求項1において、前記検出温度に対する上限温度及び下限温度を設定する手段を備え、前記発電電力制御手段は、前記第1の予定温度として前記上限温度を採用し、前記第2の予定温度として前記下限温度を採用することを特徴とする燃料電池発電システム。
- 水素系燃料を改質して又は水素系原料から水素を含む反応ガスを発生させる水素供給部と、酸素供給部と、これらの水素及び酸素供給部からそれぞれ水素及び酸素の供給を受けて発電する燃料電池と、前記水素供給部に対して燃焼用酸化剤を供給する酸化剤供給部と、前記水素供給部の温度を検出する温度センサと、この温度センサの検出温度を所定範囲内に保持するように前記燃料電池の発電電力を制御する温度制御手段を備えた燃料電池発電システムにおいて、
前記温度制御手段は、前記検出温度が第1の所定範囲を上回ったことに応じて、前記水素供給部への前記燃焼用酸化剤の供給を増加させ、前記検出温度が第1の所定範囲を下回ったことに応じて、前記水素供給部への前記燃焼用酸化剤の供給を減少させる第1の温度制御手段と、
前記検出温度が第2の所定範囲を外れたことに応じて、前記燃料電池の発電電力を増減させる第2の温度制御手段を備え、
前記第2の温度制御手段は、第1の目標電力と、この第1の目標電力よりも低い第2の目標電力を設定する目標電力設定手段と、前記検出温度が予定の上限温度を上回ったとき、その温度の時間変化率に応じた応答速度で、前記燃料電池の発電電力の目標を前記第1の目標電力に切換えるとともに、前記検出温度が予定の下限温度を下回ったとき、その温度の時間変化率に応じた応答速度で、前記燃料電池の発電電力の目標を前記第2の目標電力に切換える発電電力制御手段を備えたことを特徴とする燃料電池発電システム。 - 水素系燃料を改質して又は水素系原料から水素を含む反応ガスを発生させる水素供給部と、酸素供給部と、これらの水素及び酸素供給部からそれぞれ水素及び酸素の供給を受けて発電する燃料電池と、前記水素供給部の温度を検出する温度センサと、この温度センサの検出温度を所定範囲内に保持するように前記燃料電池の発電電力を制御する燃料電池発電システムの制御方法において、
第1の目標電力と、この第1の目標電力よりも低い第2の目標電力を設定するステップと、前記検出温度が、第1の予定温度を上回ったとき、その温度の時間変化率に応じた応答速度で、前記燃料電池の発電電力の目標を前記第1の目標電力に切換えるステップと、前記検出温度が、前記第1の予定温度よりも低い第2の予定温度を下回ったとき、その温度の時間変化率に応じた応答速度で、前記燃料電池の発電電力の目標を前記第2の目標電力に切換えるステップを備えたことを特徴とする燃料電池発電システムの制御方法。 - 請求項4において、前記検出温度に対する上限温度及び下限温度を設定するステップを備え、前記第1の予定温度として前記上限温度を採用し、前記第2の予定温度として前記下限温度を採用することを特徴とする燃料電池発電システムの制御方法。
- 水素系燃料を改質して又は水素系原料から水素を含む反応ガスを発生させる水素供給部と、酸素供給部と、これらの水素及び酸素供給部からそれぞれ水素及び酸素の供給を受けて発電する燃料電池と、前記水素供給部に対して燃焼用酸化剤を供給する酸化剤供給部と、前記水素供給部の温度を検出する温度センサとを備え、この温度センサの検出温度を所定範囲内に保持するように前記燃料電池の発電電力を制御する燃料電池発電システムの制御方法において、
前記検出温度が第1の所定範囲を上回ったことに応じて、前記水素供給部への前記燃焼用酸化剤の供給を増加させ、前記検出温度が第1の所定範囲を下回ったことに応じて、前記水素供給部への前記燃焼用酸化剤の供給を減少させる第1の温度制御ステップと、
前記検出温度が第2の所定範囲を外れたことに応じて、前記燃料電池の発電電力を増減させる第2の温度制御ステップを備え、
前記第2の温度制御ステップは、第1の目標電力と、この第1の目標電力よりも低い第2の目標電力を設定するステップと、前記検出温度が、第1の予定温度を上回ったとき、その温度の時間変化率に応じた応答速度で、前記燃料電池の発電電力の目標を前記第1の目標電力に切換えるステップと、前記検出温度が、前記第1の予定温度よりも低い第2の予定温度を下回ったとき、その温度の時間変化率に応じた応答速度で、前記燃料電池の発電電力の目標を前記第2の目標電力に切換えるステップを備えることを特徴とする燃料電池発電システムの制御方法。
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JP2007212006A (ja) * | 2006-02-07 | 2007-08-23 | Nissan Motor Co Ltd | 触媒燃焼器の燃焼状態検知装置 |
US8980489B2 (en) | 2006-03-27 | 2015-03-17 | Casio Computer Co., Ltd. | Fuel cell type power generation device, electronic apparatus and treatment method of fuel |
JP4872406B2 (ja) * | 2006-03-29 | 2012-02-08 | カシオ計算機株式会社 | 燃料電池型発電装置及び燃料の処理方法 |
JP5078696B2 (ja) * | 2008-03-27 | 2012-11-21 | Jx日鉱日石エネルギー株式会社 | 燃料電池システムの負荷追従運転方法 |
JP2009266541A (ja) * | 2008-04-24 | 2009-11-12 | Nippon Oil Corp | 間接内部改質型固体酸化物形燃料電池システムの運転方法 |
JP5433323B2 (ja) * | 2009-07-02 | 2014-03-05 | Jx日鉱日石エネルギー株式会社 | 燃料電池システムの負荷追従運転方法 |
CN102549825B (zh) * | 2009-08-27 | 2014-07-30 | 吉坤日矿日石能源株式会社 | 燃料电池系统的负载跟踪运转方法 |
JP5551954B2 (ja) * | 2010-03-30 | 2014-07-16 | 大阪瓦斯株式会社 | 燃料電池発電装置 |
JP6504466B2 (ja) * | 2016-04-07 | 2019-04-24 | トヨタ自動車株式会社 | 水素欠乏判断方法及び水素欠乏判断装置 |
CN109994760B (zh) | 2018-01-03 | 2022-06-28 | 通用电气公司 | 用于燃料电池系统的温度控制系统和方法及燃料电池系统 |
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JP3452051B2 (ja) * | 2001-05-25 | 2003-09-29 | 日産自動車株式会社 | 燃料電池システム |
JP4140253B2 (ja) * | 2002-03-15 | 2008-08-27 | 日産自動車株式会社 | 燃料改質システム |
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JPH08250142A (ja) * | 1995-03-14 | 1996-09-27 | Fuji Electric Co Ltd | 燃料電池発電装置の水蒸気分離器圧力制御装置 |
JPH08255621A (ja) * | 1995-03-17 | 1996-10-01 | Fuji Electric Co Ltd | 燃料電池発電装置 |
JP2001201204A (ja) * | 2000-01-20 | 2001-07-27 | Fujitsu General Ltd | 熱電冷却加熱温度制御装置 |
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JP2004178965A (ja) * | 2002-11-27 | 2004-06-24 | Nissan Motor Co Ltd | 車両の制御装置 |
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US8349505B2 (en) | 2013-01-08 |
US20060046109A1 (en) | 2006-03-02 |
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