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1. 发明申请

US20130335026A1 BATTERY PARALLEL BALANCING CIRCUIT 有权
标题翻译：电池并联平衡电路
公开(公告)号：US20130335026A1
公开(公告)日：2013-12-19
申请号：US13495902
申请日：2012-06-13
申请人： Michael G. Reynolds , Chandra S. Namuduri , Peter T. Karlson , Daniel G. Foisy
发明人： Michael G. Reynolds , Chandra S. Namuduri , Peter T. Karlson , Daniel G. Foisy
IPC分类号： H02J7/00
CPC分类号： H02J7/0016 , Y02T10/7055
摘要： A method and device for regulating charging and discharging current through a battery pack. Two or more battery packs are connected in parallel to an inverter, such that the inverter can use grid power to charge the battery packs or the battery packs can provide AC power through the inverter. A current balancing circuit device is placed in series with each battery pack and is used to regulate the current through the battery pack so that none of the battery packs is excessively charged or discharged. The current balancing circuit includes two field effect transistors (FETs) arranged in series and in opposite directions, where one FET controls charging current and the other controls discharging current. The balancing circuit also includes a current sensor, and uses proportional-integral control to provide a signal to the FETs such that the actual current flowing through the circuit is regulated to a target current value.
摘要翻译：一种用于调节通过电池组的充电和放电电流的方法和装置。两个或多个电池组并联连接到逆变器，使得逆变器可以使用电力来对电池组充电，或者电池组可以通过逆变器提供AC电力。电流平衡电路装置与每个电池组串联放置，并且用于调节通过电池组的电流，使得电池组不会过度充电或放电。电流平衡电路包括串联和相反方向布置的两个场效应晶体管（FET），其中一个FET控制充电电流，另一个控制放电电流。平衡电路还包括电流传感器，并且使用比例积分控制来向FET提供信号，使得流过电路的实际电流被调节到目标电流值。

2. 发明授权

US09153974B2 Battery parallel balancing circuit 有权
标题翻译：电池并联电路
公开(公告)号：US09153974B2
公开(公告)日：2015-10-06
申请号：US13495902
申请日：2012-06-13
申请人： Michael G. Reynolds , Chandra S. Namuduri , Peter T. Karlson , Daniel G. Foisy
发明人： Michael G. Reynolds , Chandra S. Namuduri , Peter T. Karlson , Daniel G. Foisy
IPC分类号： H02J7/02 , H02J7/00
CPC分类号： H02J7/0016 , Y02T10/7055
摘要： A method and device for regulating charging and discharging current through a battery pack. Two or more battery packs are connected in parallel to an inverter, such that the inverter can use grid power to charge the battery packs or the battery packs can provide AC power through the inverter. A current balancing circuit device is placed in series with each battery pack and is used to regulate the current through the battery pack so that none of the battery packs is excessively charged or discharged. The current balancing circuit includes two field effect transistors (FETs) arranged in series and in opposite directions, where one FET controls charging current and the other controls discharging current. The balancing circuit also includes a current sensor, and uses proportional-integral control to provide a signal to the FETs such that the actual current flowing through the circuit is regulated to a target current value.
摘要翻译：一种用于调节通过电池组的充电和放电电流的方法和装置。两个或多个电池组并联连接到逆变器，使得逆变器可以使用电力来对电池组充电，或者电池组可以通过逆变器提供AC电力。电流平衡电路装置与每个电池组串联放置，并且用于调节通过电池组的电流，使得电池组不会过度充电或放电。电流平衡电路包括串联和相反方向布置的两个场效应晶体管（FET），其中一个FET控制充电电流，另一个控制放电电流。平衡电路还包括电流传感器，并且使用比例积分控制来向FET提供信号，使得流过电路的实际电流被调节到目标电流值。

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