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1. 发明授权

US09979212B2 Device and method for charge equalization of an energy accumulator arrangement 有权
公开(公告)号：US09979212B2
公开(公告)日：2018-05-22
申请号：US14902451
申请日：2014-07-01
申请人： H-Tech AG
发明人： Canadi Samuel
IPC分类号： H02J7/00
CPC分类号： H02J7/0016 , H02J7/0014 , H02J7/0021 , H02J2007/0096 , Y02T10/7055
摘要： The invention relates to a device for the charge equalization of an energy accumulator arrangement, and to a method for the charge equalization of accumulator modules of an energy accumulator arrangement. In order to provide a device or a method for charge equalization of accumulator modules in an energy accumulator arrangement, in which the accumulation capacity of the accumulator modules used is efficiently utilized with low circuit complexity, a device and a method for the charge equalization of an energy accumulator arrangement (11) is proposed, wherein the energy accumulator arrangement (11) comprises at least two accumulator modules (11a-11d) electrically connected in series and the device for charge equalization comprises: a switching device (12), which is coupled to the accumulator modules (11a-11d) of the energy accumulator arrangement; a DC-to-DC converter (14), which can be coupled to the accumulator modules (11a-11d) by means of the switching device (12); a control device (13) for monitoring parameters of the accumulator modules (11a-11d) and for controlling the switching device (12) and the DC-to-DC converter (14), wherein the entirety of the series-connected accumulator modules of the energy accumulator arrangement is provided for an intermediate accumulation of charge for the charge equalization between the accumulator modules.

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