Hello Charlie,
On my catamaran, I went to 96vdc, not center tapped.
If you are still trying to decide whether to stay 48vdc or go to 96vdc, there is another important consideration to keep in mind: at 48dvc (limit of the "safe to touch" voltage range as discussed earlier in this thread), the availability of electronic equipments is plentiful (MPPT chargers, inverters, AC-DC chargers, etc.). At 96vdc, there are far fewer products. At 144vdc and over, that's crazy hard to find things. I wrote about my electric propulsion system decision process here https://www.catamaran-escargot.com/en/blog/20210126/ and I cover this point in the section "Electric Voltage of the Propulsion System" section.
One small benefit of having a 96vdc power bank is that most electronic equipment working with a switching power supply designed to work from 110 to 240vdc will work fine with your 100vdc. My navigation computer system, the networking equipment, my CCTV, etc. aboard Escargot (systems considered critical to have on) are connected directly to the 96vdc bus, i.e. they continue to work even if the inverter is off. Switching power supplies first create DC from the AC input, then create high frequency AC, to finally lower the voltage and make it DC. Feeding them DC or AC makes no difference as long as they do not have a built in protection against that. But, that is getting quite out of topic regarding your ME1616 initial topic, sorry. ;-)
Jerome
For you guys building the 96vdc setups:Is everyone considering doing a center tapped 96vdc/48vdc battery setup? Any other solution with a large 96v bank aboard seems difficult to charge with solar.Thanks!
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