Electric voltage system and method for distributing electrical power in an electric voltage system
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United States of America Patent
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Aug 21, 2018
Grant Date -
Jun 15, 2017
app pub date -
Aug 30, 2016
filing date -
Dec 10, 2015
priority date (Note) -
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Abstract
An electrical power supply network for a motor vehicle, including at least one high-voltage battery and one low-voltage battery, wherein at least one DC/DC converter is arranged between the high-voltage battery and the low-voltage battery, which is designed such that the high-voltage battery charges the low-voltage battery, and at least one solar module, which is connected to the low-voltage battery via a DC/DC converter, wherein at least one control device is associated with the low-voltage battery which is designed such that an SOC value of the low-voltage battery is ascertained, wherein during a vehicle standstill, the high-voltage battery is charged from the low-voltage battery via a DC/DC converter until the SOC value of the low-voltage battery reaches a first threshold value. Also disclosed is a method for distributing electrical energy in such a power supply network.
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