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1. 发明申请

US20140117936A1 POWER STORAGE SYSTEM 有权
标题翻译：电力储存系统
公开(公告)号：US20140117936A1
公开(公告)日：2014-05-01
申请号：US14062527
申请日：2013-10-24
申请人： Hitachi Information & Telecommunication Engineering, Ltd.
发明人： KIMIAKI TANIGUCHI , Fumikazu Takahashi , Yusuke Katsuyama , Yoshihide Takahashi , Daisuke Ishida , Akinori Uchida , Susumu Nagafuchi
IPC分类号： H02J7/00
CPC分类号： H02J7/0019 , H02J7/0075
摘要： A power storage system is provided with a battery and a battery charger which charges a battery pack having a battery voltage and current detection circuit. A charge circuit is structured such as to acquire terminal voltage information of the battery from a battery voltage detection circuit of the battery pack in a charging process, carry out a constant current charge control in a state in which the terminal voltage of the battery is equal to or lower than a previously determined reference voltage value of the battery, and switch to a constant voltage charge control maintaining the output voltage of the charge circuit in the case that the terminal voltage of the battery goes beyond the reference voltage value, thereby carrying on the charge until the battery is fully charged. Therefore, the power storage system can accurately charge the battery to a prescribed amount safely.
摘要翻译：电力存储系统设置有对具有电池电压和电流检测电路的电池组进行充电的电池和电池充电器。构成充电电路，以在充电过程中从电池组的电池电压检测电路获取电池的端子电压信息，在电池的端子电压相等的状态下进行恒定电流充电控制达到或低于电池的预先确定的参考电压值，并且在电池的端子电压超过参考电压值的情况下切换到保持充电电路的输出电压的恒定电压充电控制，从而进行充电直到电池充满电为止。因此，蓄电系统可以安全地将电池精确地充电至规定量。

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