54 volts, which is the highest that most common/decent priced gear is
available. ( Solar is currently ~120v on the arrays, will go to 240v
with new inverter/controller). I will be adding another rack of
batteries to go to 60KWh. If the current plan continues we will up the
solar to 12Kw of panels next year. That will generate enough power to
run at least one of the mini-splits and charge batteries slowly even
with clouds. The new inverter will have a passive load of about
150watts, which is typical for these devices. We will move to a
different inverter/controller that can be ganged to get that all working
next year. All of this will cost 1/10th what running power from the
grid would cost and we can get tax credits.
On 1/18/22 5:46 PM, Bill Prince wrote:
Are your batteries 30KWh at what voltage? The higher voltage, the better.
A higher-end Tesla model S is about 3X that size (90 KWh).
--
bp
part15sbs{at}gmail{dot}com
On Tue, Jan 18, 2022 at 4:08 PM Robert <[email protected]> wrote:
I am working on my first off grid home, and hope to do another in the
future somewhere more northerly.. This one is in the sunbelt of N.
Nevada and currently I have 4K of solar feeding a 30KW LFP battery
bank
through currently a Victron charge controller and a couple midnight
solar inverters to generate a flawed 220 as well as two sides of
110. (
the 220 will not run the well controller even though supposedly
configured for such. ) I am upgrading the inverters and
controller to
a
https://www.signaturesolar.com/products/8kw-48v-240vac-split-phase-120a-250vdc-off-grid-inverter-by-growatt
planning on doing a couple 9K mini-splits for heating/cooling.
I wonder if this group has some gotchas that I might learn from in
advance before I buy myself into a corner... I'm all ears..
thanks!!
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