Volvo Penta power system uses a DC/DC or DC/AC converter to pre-charge and actively discharge a DC link capacitor in an EV/marine battery architecture.

Patentradars sammanfattning

This Volvo Penta patent application discloses a power system comprising at least one battery pack, a DC link capacitor, a DC/AC inverter, and a DC/DC converter. The system is configured to pre-charge the DC link capacitor to a desired voltage level using either the DC/DC converter or the DC/AC converter, avoiding large inrush currents at startup. The dual-path pre-charge and active discharge capability improves system safety, reliability, and component longevity in electric propulsion applications.

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