An isolated and bidirectional 28kW DC/DC was developed for a yacht with several aims.
Charge the battery with the energy generated from the boat propeller through the DC-link
Supply the drive directly from the battery in order to move in full electric mode
When yacht is in sailing mode and all generators are out of service (no 3x400Vac available and no DC-link voltage), because the generator is an asynchronous squirrel induction machine an external power to magnetizing is needed.
epic power DC/DC converter supply 600Vdc to the DC-link with a soft start with current limit. So, it means it is possible to start running the generator under any circumstance.
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