JP2006286320A - 燃料電池の電気システム、燃料電池車両及び電力供給方法 - Google Patents
燃料電池の電気システム、燃料電池車両及び電力供給方法 Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
【解決手段】電気システム10は、反応ガスが供給されることにより発電する燃料電池14と、燃料電池14の出力する電圧V1より低電圧の蓄電装置70と、燃料電池14に接続された第1電源ライン72と、蓄電装置70に接続された第2電源ライン73と、第1電源ライン72と第2電源ライン73との間で双方向に電圧変換を行う第1DC−DCコンバータ74とを有する。インバータ16、走行モータ17及び第1電気補機76(エアーコンプレッサ42)は、第1電源ライン72から電力供給を受け、第2電気補機78としての電動エアコンモータ80、ワイパモータ82及びパワーウィンドモータ84等は第2電源ライン73から電力供給を受ける。
【選択図】図1
Description
14…燃料電池 16、81、86…インバータ
17…走行モータ 35…水素供給ポンプ
35a、42a、54a…モータ 42…エアーコンプレッサ
54…冷却水循環ポンプ 70…蓄電装置
72…第1電源ライン 73…第2電源ライン
74…第1DC−DCコンバータ 76…第1電気補機
78…第2電気補機 79…第2DC−DCコンバータ
80…電動エアコンモータ 82…ワイパモータ
84…パワーウィンドモータ 88…コンプレッサ
90…第3DC−DCコンバータ 92…鉛バッテリ
100…サブ電気システム L…負荷
Ls…規定閾値 V1〜V4…電圧
Claims (11)
- 反応ガスが供給されることにより発電する燃料電池と、
前記燃料電池に接続された第1電源ラインと、
前記燃料電池を稼動するための燃料電池用補機の少なくとも一部である第1電気補機と、
前記燃料電池の出力電圧より低電圧で動作し、双方向に電圧変換を行う第1DC−DCコンバータを介して前記第1電源ラインに接続されるサブ電気システムと、
を有し、
前記サブ電気システムは、第1蓄電装置と、
前記第1蓄電装置と前記第1DC−DCコンバータとを接続する第2電源ラインと、
前記燃料電池用補機以外の電気補機である第2電気補機と、
を含み、
前記第1電気補機は前記第1電源ラインから電力供給を受けるように接続され、前記第2電気補機は前記第2電源ラインから電力供給を受けるように接続されていることを特徴とする燃料電池の電気システム。 - 請求項1記載の電気システムにおいて、
前記第1電気補機は、前記燃料電池に加圧空気を供給するエアーコンプレッサ、前記燃料電池に水素を供給する水素供給ポンプ、又は前記燃料電池を冷却する冷却水循環用ポンプの少なくとも1つであることを特徴とする燃料電池の電気システム。 - 請求項1記載の電気システムにおいて、
前記第1電気補機の少なくとも一部は、電圧を降圧する第2DC−DCコンバータを介して前記第1電源ラインに接続されていることを特徴とする燃料電池の電気システム。 - 請求項3記載の電気システムにおいて、
前記第2DC−DCコンバータは、前記第1電源ラインから電力供給を受ける主機の負荷が規定閾値未満であるときに入力電圧を降圧して前記第1電気補機に供給し、前記主機の負荷が規定閾値以上であるときに入出力を直結して前記第1電気補機に電力供給することを特徴とする燃料電池の電気システム。 - 請求項1記載の電気システムにおいて、
前記第2電気補機は、少なくとも電動エアコンモータを含むことを特徴とする燃料電池の電気システム。 - 請求項5記載の電気システムにおいて、
前記第2電気補機における前記電動エアコンモータを除く少なくとも一部は、電圧を降圧する第3DC−DCコンバータを介して前記第2電源ラインに接続されるとともに、第2蓄電装置に接続されていることを特徴とする燃料電池の電気システム。 - 請求項1〜6のいずれか1項に記載の電気システムを搭載し、前記燃料電池により発生した電力を用いて走行することを特徴とする燃料電池車両。
- 反応ガスが供給されることにより発電する燃料電池と、
前記燃料電池の出力電圧より低電圧の第1蓄電装置と、
前記燃料電池に接続された第1電源ラインと、
前記第1蓄電装置に接続された第2電源ラインと、
前記第1電源ラインと前記第2電源ラインとの間で双方向に電圧変換を行う、第1DC−DCコンバータと、
前記第1電源ラインから電力供給を受ける主機及び第1電気補機と、
前記第2電源ラインから電力供給を受ける第2電気補機と、
を有することを特徴とする燃料電池の電気システム。 - 反応ガスが供給されることにより発電する燃料電池から第1電源ラインを介して主機及び第1電気補機に電力を供給する工程と、
前記燃料電池の出力電圧より低電圧の蓄電装置から第2電源ラインを介して第2電気補機に電力を供給する工程と、
双方向に電圧変換可能なDC−DCコンバータにより、前記第1電源ラインの電圧を降圧した電力を前記第2電源ラインを介して前記第2電気補機に供給し、又は前記蓄電装置を充電する工程と、
前記DC−DCコンバータにより、前記第2電源ラインの電圧を昇圧した電力を前記第1電源ラインを介して前記主機又は前記第1電気補機に供給する工程と、
を有することを特徴とする電力供給方法。 - 請求項9記載の電力供給方法において、
前記第2DC−DCコンバータは、前記主機の負荷が規定閾値未満であるときに入力電圧を降圧して前記第1電気補機に供給し、前記主機の負荷が規定閾値以上であるときに入出力を直結して前記第1電気補機に電力供給する工程を有することを特徴とする電力供給方法。 - 請求項9記載の電力供給方法において、
前記DC−DCコンバータの故障を検出する故障検出工程と、
前記故障検出工程により前記DC−DCコンバータの故障が検出された場合、前記燃料電池から出力される電力の応答性を制限する応答制限工程と、
を有することを特徴とする電力供給方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2005102849A JP4555136B2 (ja) | 2005-03-31 | 2005-03-31 | 燃料電池の電気システム、燃料電池車両及び電力供給方法 |
US11/395,675 US7438984B2 (en) | 2005-03-31 | 2006-03-31 | Electric system for fuel cell, fuel cell vehicle, and method of supplying electric power |
US12/203,616 US8293414B2 (en) | 2005-03-31 | 2008-09-03 | Electric system for fuel cell, fuel cell vehicle, and method of supplying electric power |
US12/203,688 US8343676B2 (en) | 2005-03-31 | 2008-09-03 | Fuel cell vehicle, and method of supplying electric power |
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JP2005102849A JP4555136B2 (ja) | 2005-03-31 | 2005-03-31 | 燃料電池の電気システム、燃料電池車両及び電力供給方法 |
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Cited By (18)
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JP2019145220A (ja) * | 2018-02-16 | 2019-08-29 | トヨタ自動車株式会社 | 燃料電池システム |
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KR102472923B1 (ko) * | 2020-07-24 | 2022-12-01 | (주)두산 모빌리티 이노베이션 | 연료전지의 전력 제어 시스템 및 방법 |
Also Published As
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US8343676B2 (en) | 2013-01-01 |
US7438984B2 (en) | 2008-10-21 |
US8293414B2 (en) | 2012-10-23 |
US20060222910A1 (en) | 2006-10-05 |
US20090008166A1 (en) | 2009-01-08 |
JP4555136B2 (ja) | 2010-09-29 |
US20090008167A1 (en) | 2009-01-08 |
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