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Old 10-06-15, 06:45 PM   #16
ham789
Helper EcoRenovator
 
Join Date: Dec 2011
Location: tigard, oregon
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Looks like a fun project.
I don't have any direct experience, but I do have some concerns.
I'd worry about the generator shaking the life out of both the
solar panels and the battery.
I do about a hundred miles a day of garage sales on a motorcycle.
I put the booty in a box on the back end. When I get home,
it's not unusual to find a bunch of screws in the bottom of the
box that were shaken out of the stuff I bought.
I had an analog voltmeter in the back for a year or so.
When I needed it, I discovered that the insides were about the
consistency of a pile of sand. That's with an OHV twin engine
shaking the stuff.

You don't seem to have any charge control. I'd at least stick
a big SCR with a zener like a typical cheapo battery charger.
You wanna be careful about overcharging the expensive battery.

I'd get the component temperatures WAY down.
Reliability doubles for every 10 C you can get the temp
down. When the diodes fail shorted, there's a lot of
current that's gonna go somewhere you probably won't like.

Fast charging/discharging the battery/inverter setup might not be very
efficient and is hard on everything.

You might be trying to do too much with one system
and compromising everything.

Might be more reliable/efficient to run the big generator
for the big stuff and a 1KW generator for small stuff
on the battery/inverter system.

I have a Coleman PM500 generator. It's a 2-stroke PITA,
but it weighs 12 pounds as I recall.

Compare that to lugging around a big battery.
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