To perform control of charging/discharging of a secondary battery while suppressing high rate deterioration.SOLUTION: A power demand adjustment device 50 is configured to perform an acquisition process of acquiring an evaluation value ΣD of high rate deterioration of a secondary battery 10 connected to a power system 90, which is caused by the bias of a salt concentration in an electrolyte, and a discharging participation prohibition process of prohibiting the secondary battery 10 from participating adjustment of demands for discharge from the power system 90 when the evaluation value ΣD of the secondary battery 10 is equal to or greater than a prescribed discharge threshold K1.SELECTED DRAWING: Figure 3
【課題】ハイレート劣化を抑えつつ、二次電池に対する充放電の制御を行う。【解決手段】電力需要調整装置50は、電力系統90に接続された二次電池10における、電解液中の塩濃度の偏りに起因するハイレート劣化に対する評価値ΣDを取得する取得処理と、二次電池10の評価値ΣDが予め定められた放電閾値K1以上であるときに、二次電池10を電力系統90の放電需要の調整に参加させない放電非参加処理と、が実行されるように構成されている。【選択図】図3
POWER DEMAND ADJUSTMENT DEVICE
電力需要調整装置
2023-06-26
Patent
Electronic Resource
Japanese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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