I have a 32' Bayliner sailboat (now dismasted) that I've gutted and am turning it into an electric hybrid. It has an 8 battery (185 a/h 12 volt each) battery bank of AGM Oddysey batteries to power a (to be purchased) ElectricYacht 2.0, 48 volt motor drive system. I have 8 solar panels, 100watts each to augment the two Fischer Panda 48 volt 10kw diesel gen. sets. I've taken the 13' mainmast spar and am stepping it where the main master was, with a 500watt wind generator mounted on top. To flesh it out a bit more, I've installed a separate 4 battery bank forward as the house batteries, with a 200watt PV on the forward cabin top to keep them topped up.
Having said all that, I'd like to configure the 800 watt set of PVs to meet the 48 (actually need 54-6) volt requirement to charge the 8 battery bank but also maximize amperage. 10-11amps/hrs isn't much to plug into a 370amp bank.
The ElectricYacht will need roughly 60 amp/hr for a 3.5-4knot speed, up to 270 amps/hrs to reach a 7- 7.5 knot hll speed. The gen sets can run the motors by themselves and/or charge the batteries but I would like to get as much quiet time propulsion as possible. The gen. sets only put out 60 decibels of noise but would like to keep their use to a minimum. How would you do the overall PV / wind turbine configuration, and voltage and amperage to the battery bank? Should I utilize one 4 185amp 48 volt bank at a time or use and charge both at the same time? Other insight would be appreciated. Thanks so much.
Dale
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