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公开(公告)号：US10355492B2
公开(公告)日：2019-07-16
申请号：US15567771
申请日：2016-02-23
申请人： OMRON Corporation
摘要： A rechargeable battery controller is combined with a rechargeable battery and used in an existing PV system. The controller includes a DC-DC converter, which allows power to be passed between a power line and a rechargeable battery, and a control unit, which determines whether maximum power point tracking (MPPT) control using hill climbing is being performed by a PCS based on an input voltage or current value of the PCS. The control unit regulates charge/discharge power of the rechargeable battery to allow input power of the PCS to be a target value based on the input voltage and current values of the PCS while MPPT control using hill climbing is performed, and maintains, in a period during which MPPT control using hill climbing is not performed, the charge/discharge power to be the power at a beginning of the period.
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2.发明授权公开(公告)号：US10530172B2
公开(公告)日：2020-01-07
申请号：US15468161
申请日：2017-03-24
申请人： OMRON Corporation
发明人： Yoshihiko Yamaguchi , Makoto Ohashi , Osamu Uchida
摘要： A power line interface is electrically connectable to a direct-current power system including a power line. A bidirectional DC-DC converter is electrically connected to the power line interface and a battery. A controller receives a first current value measured by a first current sensor and a current command value and performs constant current control processing that controls the bidirectional DC-DC converter so that the first current value equals the current command value. The controller receives a first voltage value measured by a voltage sensor and a voltage command value and performs constant voltage control processing that controls the bidirectional DC-DC converter so that the first voltage value equals the voltage command value. The controller switches operation from the constant current control processing to the constant voltage control processing.
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