Roland,
First things first:
The batteries would be of many different sizes in your proposal. Many
that use SSB find themselves turning off the inverter onboard because of
noise. The SSB requires much power, as does a radar system not set
right, and that will not be replaced with solar if used much.
Even a small passage, lets say 15 days, will require a month or more of
provisions that take space that you propose be used for storing
batteries. Fact is good marine wire will cause little problems, it is
the connections and for this reason a wire a little longer than needed
at each connection leaves room for repair. (Don't forget spare parts)
More on connections. A system grounded at one point reduces noise in the
whole, and keeps consistent any interactions between systems that might
over effect something else.
It is common to have a house system and a drive system. If you chose a
house system large enough to make up 48 volts when connected in series,
and maintain cables for connecting them that way, then you may have
power enough to make it in, if something goes wrong with the drive bank.
It is likely better to maintain the same battery size for the whole,
house and drive, so that you have a slip in replacement should a drive
battery fail while under way.
Typically long passages are sailed, not powered. Doldrums happen and it
is best to be on a passage the shortest time you can for the safety of
passenger and crew, but one must make choices when at sea. You Should
keep in mind the aux system is best used while in harbour not during
passage.
Kevin Pemberton
On 09/07/2012 02:44 PM, Peter Rasmussen wrote:
> Anything obviously wrong with attempting this design pattern?
> Any recommendations for chargers for multiple small banks?
> Is there a clean way to combine multiple 48v charging sources into a
> module of multiple-bank capable chargers? What might that look like?
> Anybody done something like this who can share their experience?
>
> Thanks for reading and good luck with your own projects!
>
> Roland
> s/v Miss Teak
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