JP2018037346A - 燃料電池発電システム - Google Patents
燃料電池発電システム Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04425—Pressure; Ambient pressure; Flow at auxiliary devices, e.g. reformers, compressors, burners
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- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D18/00—Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-water supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2101/00—Electric generators of small-scale CHP systems
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- H01M2250/40—Combination of fuel cells with other energy production systems
- H01M2250/405—Cogeneration of heat or hot water
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Abstract
【解決手段】本実施形態の燃料電池発電システムは、筐体内の換気風量を可変可能な換気装置と、前記換気風量が予め設定された必要風量以上となるような必要操作量を、前記換気装置に与える制御装置とを備える。
【選択図】図1
Description
筐体内の換気風量を可変可能な換気装置と、
前記換気風量が予め設定された必要風量以上となるような必要操作量を、前記換気装置に与える制御装置とを備える。
[構成]
以下では、図1〜図3を参照して、第1の実施形形態の構成について説明する。本実施形態は、換気装置を備えたFFタイプやFEタイプの燃料電池発電システムに適用されるものである。図1は第1の実施形態のブロック図、図2は第1の実施形態の全体構成を示すイメージ図、図3は第1の実施形態における換気ファンの動作イメージである。
以上の第1の実施形態における作用及び効果は、以下の通りである。
(換気風量の確保)
第1の実施形態では、燃料電池発電システムの出荷試験時または設置後またはメンテナンス後等を含む初起動時に、制御装置8が換気ファン7に与える操作量を徐々に増やしていき、操作量記憶部11が必要操作量を決定してこれを記憶する。すなわち、必要風量以上の換気風量を確保するための換気ファン7の必要操作量は、排気ダクト12の経時的な圧損増加が発生していないシステムの初起動状態を基準として、決められている。
上述したように、換気ファン7の換気風量を増やし過ぎると、動力消費の増大を招くだけではなく、ボイラー14の燃焼や燃料電池4の性能に悪影響を及ぼすおそれがある。そこで、本実施形態の制御装置8では、燃料電池発電システムの運転中に、制御装置8が換気ファン7に与える操作量を、定期的あるいに任意のタイミングで低減させる。つまり、圧力計10により計測される換気風量の圧力を強制的に低下させている。
[構成]
第2の実施形態の構成は基本的に第1の実施形態と同様であり、同一部材に関しては同一符号を付して説明は省略する。第2の実施形態では、図4に示すように、圧力計10の診断部16を備えている。
(風量計測手段の自己診断)
以上の第2の実施形態では、制御装置8が換気ファン7に与える操作量を増減させ、増減させた操作量に対応して圧力計10によって計測される換気風量の圧力が増減するか否かを、診断部16が確認する。このような診断部16を備えた第2の実施形態によれば、圧力計10の異常を自己診断することができ、システムの信頼性をさらに高めることが可能である。
本明細書においては、本発明に係る複数の実施形態を説明したが、これらの実施形態は例として提示したものであって、発明の範囲を限定することを意図していない。以上のような実施形態は、その他の様々な形態で実施されることが可能であり、発明の範囲を逸脱しない範囲で、種々の省略や置き換え、変更を行うことができる。これらの実施形態やその変形は、発明の範囲や要旨に含まれると同様に、特許請求の範囲に記載された発明とその均等の範囲に含まれるものである。
2…貯湯ユニット
3…建物
3a…屋根
4…燃料電池
5…燃料ガス供給器
6…酸化剤ガス供給器
7…換気ファン
8…制御装置
9…流量オリフィス
10…圧力計
11…操作量記憶部
12…排気ダクト
13…貯湯槽
14…ボイラー
15…燃焼ファン
16…診断部
Claims (7)
- 筐体内の換気風量を可変可能な換気装置と、
前記換気風量が予め設定された必要風量以上となるような必要操作量を、前記換気装置に与える制御装置と、
を備えたことを特徴とする燃料電池発電システム。 - 出荷試験時または設置後またはメンテナンス後を含む初起動時に、前記制御装置が前記換気装置に与える操作量を徐々に増やすことで前記必要操作量を記憶する操作量記憶部を備えたことを特徴とする請求項1に記載の燃料電池発電システム。
- 前記換気風量を計測する風量計測手段を備え、
前記制御装置は、燃料電池発電システムの運転中に、前記風量計測手段によって計測される前記換気風量が前記必要風量を下回った場合、前記必要風量以上となる前記換気装置の操作量を前記換気装置に与えることを特徴とする請求項1または2に記載の燃料電池発電システム。 - 前記換気風量を計測する風量計測手段を備え、
前記制御装置は、燃料電池発電システムの運転中に、前記風量計測手段によって計測される前記換気風量が前記必要風量以上である場合、前記換気装置に与える操作量を任意のタイミングで低減させることを特徴とする請求項1〜3のいずれかに記載の燃料電池発電システム。 - 前記換気風量を計測する風量計測手段と、
燃料電池発電システムの起動時もしくは一定時間運転を継続した場合に、前記制御装置が前記換気装置に与える操作量を増減させ、増減させた操作量に対応して前記風量計測手段の計測結果が増減するか否かを確認する前記風量計測手段の診断部と、を備えたことを特徴とする請求項1〜4のいずれかに記載の燃料電池発電システム。 - 前記換気装置の出口には前記筐体の排ガスを外部へと排出する排気ダクトを接続し、
前記排気ダクト内に前記風量計測手段を設置したことを特徴とする請求項3〜5のいずれかに記載の燃料電池発電システム。 - 給湯用のボイラーを備え、
前記換気装置の出口には前記筐体の排ガスを外部へと排出する排気ダクトを接続し、
前記排気ダクトに前記ボイラーの排ガスを合流させることを特徴とする請求項1〜6のいずれかに記載の燃料電池発電システム。
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JP2016171058A JP6767210B2 (ja) | 2016-09-01 | 2016-09-01 | 燃料電池発電システム |
KR1020170081107A KR102017603B1 (ko) | 2016-09-01 | 2017-06-27 | 연료 전지 발전 시스템 |
EP17179169.2A EP3291346B1 (en) | 2016-09-01 | 2017-06-30 | Fuel-cell power generation system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020177801A (ja) * | 2019-04-18 | 2020-10-29 | 株式会社東芝 | 計測装置、燃料電池発電ユニット、及び計測装置の計測方法 |
JP2021139580A (ja) * | 2020-03-06 | 2021-09-16 | 富士電機株式会社 | 給気システム |
US11843135B2 (en) | 2021-03-12 | 2023-12-12 | Prime Planet Energy & Solutions, Inc. | Method for manufacturing secondary battery and secondary battery assembly |
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JP2016012529A (ja) * | 2014-06-30 | 2016-01-21 | アイシン精機株式会社 | 燃料電池システム |
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JP2007220625A (ja) * | 2006-02-20 | 2007-08-30 | Nissan Motor Co Ltd | 燃料電池システム |
US20130236802A1 (en) * | 2010-12-13 | 2013-09-12 | Panasonic Corporation | Power generation system and method of operating the same |
JP5089829B2 (ja) | 2010-12-13 | 2012-12-05 | パナソニック株式会社 | 発電システム及びその運転方法 |
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WO2012081207A1 (ja) * | 2010-12-13 | 2012-06-21 | パナソニック株式会社 | 発電システム及びその運転方法 |
JP2014197532A (ja) * | 2013-03-05 | 2014-10-16 | パナソニック株式会社 | 発電装置 |
JP2016012530A (ja) * | 2014-06-30 | 2016-01-21 | アイシン精機株式会社 | 燃料電池システム |
JP2016012529A (ja) * | 2014-06-30 | 2016-01-21 | アイシン精機株式会社 | 燃料電池システム |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020177801A (ja) * | 2019-04-18 | 2020-10-29 | 株式会社東芝 | 計測装置、燃料電池発電ユニット、及び計測装置の計測方法 |
JP2021139580A (ja) * | 2020-03-06 | 2021-09-16 | 富士電機株式会社 | 給気システム |
US11843135B2 (en) | 2021-03-12 | 2023-12-12 | Prime Planet Energy & Solutions, Inc. | Method for manufacturing secondary battery and secondary battery assembly |
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EP3291346A1 (en) | 2018-03-07 |
JP6767210B2 (ja) | 2020-10-14 |
KR20180025802A (ko) | 2018-03-09 |
EP3291346B1 (en) | 2019-12-11 |
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