Small GT inverter question [RE-wrenches]

[Jeff Clearwater]

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Hi Allan,

Solectria's PVI 1800 watt has a low end MPPT voltage of 125 VDC. 
It's a really nice unit as is there whole line.    We've installed a 
few of them and like them.

http://www.solren.com

Solectria Renewables's PV inverters grew out of Solectria electric 
vehicles - famous for their high reliability 3-phase AC electric car 
inverters -  if you can make them for that environment (variable 
frequency 3-phase wild AC) - then the PV ones are easy.

They've done a nice job with them.  Really light - nice all aluminum 
package - (kind of like a smaller version of the Xantrex GT look) all 
ethernet ready, display shows daily, weekly, monthly, yearly and 
total KWHrs.  Pre-installed AC and DC leads so no need to even open 
the case during an install.

Hope that helps.

Jeff Clearwater
Village Power Design


>
>Wrenches,
>Here's (another) interesting one...We have an unusual request from a local
>architect whose neighbor to the south wants to put up a multistory building
>that would severely shade his business building.
>
>New Mexico has a solar rights law from 1977 that establishes that "the right
>to use the natural resource of the sun's energy is a property right. A solar
>right is the right to unobstructed light from the sun to a solar collector.
>A solar collector means any type of solar device which collects not less
>than 25,000 btu's on a clear winter solstice day for the purpose
>of: -heating or cooling a building; -heating or pumping water; industrial,
>commercial, or agricultural processes; -generation of electricity." Turns
>out that the law is still in force, and 25,000 btus is about a 3' by 3'
>surface--it's collection, not generation.
>
>This person wants a small grid-tied PV system mounted on his roof in order
>to register a solar right and restrict multistory development to the south.
>He has a small roof area (I haven't seen it yet), and so the fewest number
>of modules possible is desireable.
>
>This is especially relevant in that we recently removed 32 KC120s and Y2K
>BOS from an upscale home for one of his professional clients who had bought
>the place. These modules will be donated to a local school, but some of them
>may be available to the architect to use for this purpose. The KC120s are
>12V modules, so minimum voltage is important if these modules are to be
>usable here. The Sunny Boy 700 won't work with any module combination, and
>the SB1100 needs at least 11 modules, which is too many.
>
>Who makes the batteryless GT inverter with the lowest threshold array
>voltage? Which inverters are the best choice for a very small system? Do we
>have to use 24V modules anyway?
>
>Any advice appreciated.
>
>Allan at Positive Energy
>
>Your free subscription is supported by today's sponsor:
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-- 
~~~~~~~~~~~~~
Jeff Clearwater
Village Power Design Associates
Sustainable Energy & Water Solutions for Home & Village
http://www.villagepower.com
gosolar at villagepower.com

530-470-9166
877-SOLARVillage
877-765-2784
425 Nimrod St.
Nevada City, CA 95959
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