Multi-stage quick charging system
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United States of America Patent
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Jun 6, 2017
Grant Date -
Jun 12, 2014
app pub date -
Jul 12, 2012
filing date -
Jul 15, 2011
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Abstract
A multi-stage quick charging system is proposed. The system uses an intermediate power battery as voltage supporting point so that a converter having a fraction of the output voltage may control the entire power flow towards or from the battery of a vehicle or an electrical power device. The intermediate battery comprises several stages in series, associated with respective small chargers allowing a management of the charge balancing of the stages of the intermediate battery, since the chargers may be controlled in order to separately vary the contribution of each stage.
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