REDOX FLOW BATTERY SYSTEM, INITIAL CHARGING METHOD FOR REDOX FLOW BATTERY, AND CHARGING SYSTEM FOR REDOX FLOW BATTERY

To provide a redox flow battery system capable of suppressing power failure during initial charge of a redox flow battery.SOLUTION: A redox flow battery system includes: a plurality of redox flow batteries connected in parallel; an electric power converter placed between the redox flow batteries and...

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Hauptverfasser: FUJIKAWA KAZUHIRO, YAMANISHI KATSUYA, MONAI TOSHIHARU, YANO KEIJI, INOE HIROKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a redox flow battery system capable of suppressing power failure during initial charge of a redox flow battery.SOLUTION: A redox flow battery system includes: a plurality of redox flow batteries connected in parallel; an electric power converter placed between the redox flow batteries and an electric power system; a charge/discharge control unit to control charge/discharge for each of the plurality of redox flow batteries by controlling the operation of the electric power converter; and a split charging mechanism that charges output from the electric power converter to some batteries among the plurality of redox flow batteries on the basis of a command of the charge/discharge control unit during initial charge to the plurality of redox flow batteries.SELECTED DRAWING: Figure 4 【課題】レドックスフロー電池の初期充電時における電源の故障を抑制できるレドックスフロー電池システムを提供する。【解決手段】並列接続された複数のレドックスフロー電池と、前記複数のレドックスフロー電池と電力系統との間に配置される電力変換器と、前記電力変換器の動作を制御することで前記複数のレドックスフロー電池の各電池への充放電を制御する充放電制御部と、前記複数のレドックスフロー電池への初期充電時に、前記充放電制御部の指令に基づいて、前記電力変換器からの出力を前記複数のレドックスフロー電池の一部の電池に充電する分割充電機構と、を備えるレドックスフロー電池システム。【選択図】図4