I just watched the Online Training video
9.1 Three-phase and parallel system theory
https://vimeo.com/415780430?embedded=true&source=video_title&owner=104980539
At time 3:14, when discussing "3 Phase" config, the schematic on the right is for "Parallel"
At time 6:49, when discussing "Parallel" config, the schematic on the right is for "3 Phase"
@Margreet Leeftink (Victron Energy Staff)