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Old 20-02-2009, 22:31   #1
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Join Date: Dec 2008
Location: Long Island
Boat: Beneteau 50
Posts: 215
Best system to do most of wind/solar/alternator/shore to house/starting/dump + more

I've been looking here, elsewhere, and searching the web, and could use some input from the experts/experienced people here.

I'm setting up my fourwinds wind generator and plan to add solar eventually. The boat will be unattended for days at a time, so the wind gen will need a dump load. (No one there to tie the tail off the wind or throw a stop switch.)

Ideally, the system would have these features:

Accept power from
1) wind generator (fourwinds II)
2) Solar panels (maybe 500 watts eventually)
3) 2 x engine alternators (currently a separate one for starting, why not somehow put it to use when running the engine for charging?) I think means something that boosts to overcome internal resistanc eof the batteries.
4) Ideally shore power, although I have a 3-stage shore power charger in place already.

Battery Charging
1) House bank of 2x4D (eventually 4x4D) -- gel batteries
2) Engine starting battery -- wet cell
3) Temperature sensor to keep batteries happy

Inverter for 110v
1) 2500 or 3000 watts
2) remote on/off
3) Automatic switching from battery to shore power.
4) Ideally a way to separate off non-essential 110v things if the shore cable comes unplugged. For instance, so the A/C doesn't drain the house batteries to zero when I'm away. (Not that I have A/C. It's an example.)

More
1) Handle dump load to water heater (2 cascading dump loads if possible)
2) Eventually measure and display amphours in/out/remaining in house bank

Anyone have any ideas if there is a single device that does most of this, or maybe a collection of devices that would do most of this?

Regards
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