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Old 13-05-2018, 19:30   #1
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Join Date: Apr 2015
Location: Bergen, Norway
Boat: Rainbow 42
Posts: 42
Hybrid solar inverter setup

I am refitting the electrical work on my boat, and I am getting several appliances on 220V(Dishwasher,fridge, humidfier etc), so I need a way to power these.

So my idea is to get one of the hybrid solar inverter:

I think 2 to 3kW should be fine or? I do have 400W of installed solar panel on the boat, a 12V 105A alternator and 4*110A lead batteries.

So my basic idea is to connect the alternator in parallel to all 4 batteries, then connect all batteries in series to the controller above.

I have my boat outfitted with smart home(openhab) so I can select the shore power fuse(6A,10a,16a), so if my measured current exceed the fuse I shut off the land power and supply my appliances from batteries. If the battery charge drops below 50% I can start the engine to recharge the batteries.

Has anyone else gone down this path for their electrical wiring?
skatun is offline   Reply With Quote

inverter, solar

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