A battery system for electric vehicles provides three distinct DC output voltage levels using one battery pack and one DC/DC converter connected in series/parallel configurations.

Patentradars sammanfattning

Volvo Penta's invention describes a battery system capable of delivering three separate output voltage levels from a single battery pack combined with a DC/DC converter. The first voltage level is the converter output alone, the second is the battery pack terminal voltage, and the third is the arithmetic sum of both, achieved by stacking the converter output in series with the battery pack. This architecture eliminates the need for multiple independent battery packs to supply different voltage buses, reducing cost, weight, and complexity in marine and other electric-vehicle platforms.

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