Method and device for matching the voltage of the smoothing capacitor of a DC/DC converter before a high-voltage battery is connected

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United States of America Patent

PATENT NO 11496042
APP PUB NO 20210175793A1
SERIAL NO

17265730

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a method and to a device for operating a bidirectional voltage transformer connectable to a primary battery and having a primary-side smoothing capacitor, an inductive transformer, and a secondary-side clamping capacitor, wherein, before the primary battery is connected, a voltage at the primary-side smoothing capacitor is matched to a voltage of the primary battery by a cyclical transfer of charge from the secondary-side clamping capacitor. The voltage of the primary-side smoothing capacitor is matchable in this way to the voltage of the primary battery before the primary battery is connected, and current spikes thus avoided during connection of the primary battery.

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Patent Owner(s)

  • BRUSA HYPOWER AG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bolohan, Nicolae Daniel Buchs, CH 2 1
Krause, Axel Nesslau, CH 57 3216

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