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posted to rec.boats.cruising,rec.boats.building
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On Jul 27, 2:40 pm, Skip Gundlach wrote:
.. I'm obviously missing a great deal of intelligence here. I had thought we'd properly sized our bank and input sources to allow for our anticipated usages. stuff snipped Hi Skip, This is what I'd do: "For those who know a bit about electrics and can use a hydrometer I would propose: Do an energy budget/audit. Size the battery bank for 40% DoD (depth of discharge) on a normal days/period of use Use the hydro to verify the above a few times as well as check the batts are getting fully charged. Use the hydro to check a few times that an exceptional days/period of demand doesn't draw the batts below 80% DoD" If you do the above why not write it down as well as charging times etc in a log and post it. I'd keep the solar/wind for now, just treat it as 'gravy' to stretch the time between charging or reduce the charging time. I won't say the above is the full solution, but is a worthwhile learning exercise. There's probably some more advanced stuff to learn but you have to do the basics first. Any comments from other people? cheers, Pete. |