Dearest off-gridders,
OK, many of you micro-hydro fanatics on the west coast are
stuck inside with all the smoke, time to put on your tin foil thinking
caps....
I brought this up some time back but got little (zero
maybe) feedback. I'm hoping there are some other micro-hydro folks out
there that have figured out how to marry a Harris pelton, to a L-ion
battery for charging. Outputs vary with rainfall/snow-melt from 3 amps
to 28 amps (24V). Over the years with LA batteries, I've simply used a
Trace C40 PWM CC between the battery and mondo load resistors (two
configurations due to varying hydro output). Of course sometimes the
output and resistor load did not match and I'd be sending 2,3, maybe 4
amps to the 1270 Ahr Battery which at times was already floating. This
system is also fed with about 2800 watts of PV, ala FM80 CC.
This must not have hurt the battery too much as they are 17
years old and still pretty happy. However, L-ion is not going to be
happy with this configuration and would require some way to provide a
perfect match of hydro output to dump load when it reaches its full
charge to insure its not over-charged (AKA destroyed). Will a Classic
deal with this? Other ideas? Experience is golden.
Bill
Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net
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