Hi Wrenches:
A few years ago our company set up an A/C coupled micro grid using a
quad stack of Outback 3648, with 2 SB6000 inverters tied to the output side
of the Outbacks. It worked marvelously, using the grid tied inverters to
push the current through the output terminals until the bulk battery voltage
is reached, then they are disconnected with relays to prevent overcharging.
Both this system and the design I'm working n are supplying power to
commercial woodshops that require generators, therefore taking care of the
absorb and float stages.
My question is, has anyone out there done this type of system with a
Trace(or Xantrex, Schnieder)4024? The design I'm working on now has a 1500'
conduit run(yikes) and already needs A/C to be run. My plan is to have a
SB4000 inverter, wired to a high efficiency 5k 240/480 transformer on the
array side, and another 5k 480/120 transformer on the Trace side. I know the
design would work with an Outback, but I haven't tried it with a Trace to
know.
Any experience out there?
Lars Ortegren
NABCEP Certified Solar Installer
Director of Operations
California Solar Electric Company
10141 Evening Star Drive, Suite 6
Grass Valley, CA 95945
Phone : (530)274-3671
Fax: (530)274-7518
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