To appropriately select a battery to be preferentially used from among a plurality of batteries.SOLUTION: A battery charging/discharging control method is provided for controlling a first battery 7 and a second battery 8 that supply power to an electric motor 2, charge power supplied from the electric motor 2, and are connected in parallel with the electric motor 2. The battery charging/discharging control method includes steps of: acquiring respective internal resistances of the first battery 7 and the second battery 8; and selecting, as a battery to be preferentially used, a battery that has the smaller inner resistance between the first battery 7 and the second battery 8.SELECTED DRAWING: Figure 4
【課題】複数のバッテリのうちから優先的に使用するバッテリを適切に選択する。【解決手段】電動モータ2に電力を供給し、電動モータ2から供給される電力を充電し、電動モータ2に対して並列に接続される第1バッテリ7及び第2バッテリ8を制御するバッテリ充放電制御方法である。このバッテリ充放電制御方法では、第1バッテリ7及び第2バッテリ8のそれぞれの内部抵抗を取得し、第1バッテリ7及び第2バッテリ8のうちから、優先的に使用するバッテリとして、内部抵抗が小さい方のバッテリを選択する。【選択図】図4
BATTERY CHARGING/DISCHARGING CONTROL SYSTEM AND BATTERY CHARGING/DISCHARGING CONTROL METHOD
バッテリ充放電制御システム及びバッテリ充放電制御方法
2022-09-13
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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