[RE-wrenches] Dual Channel Inverters

[Chris Mason]

Could I get the exact same unit as we buy for 415V, but in 208V? I don't
care what the NEC says.


On Tue, May 7, 2013 at 3:23 PM, Steve Jefferson <
Steve.Jefferson at sma-america.com> wrote:

>  The STP (Sunny Tri Power) will be here shortly.****
>
> ** **
>
> The first unit is in the States and being fired up tomm.****
>
> ** **
>
> Unfortunately, due to NEC and UL, the ESS will not be used in the US.
> Which is a mystery, as it is superior to what the NEC requires.****
>
> ** **
>
> It will have a standard type disconnect on the bottom, as well as an A/C
> disco.****
>
> ** **
>
> SMA America, LLC****
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> Steve Jefferson****
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> *From:* re-wrenches-bounces at lists.re-wrenches.org [mailto:
> re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of *Chris Mason
> *Sent:* Tuesday, May 07, 2013 11:55 AM
> *To:* RE-wrenches
> *Subject:* Re: [RE-wrenches] Dual Channel Inverters****
>
> ** **
>
> What you are asking for is the Sunny Tripower 10/12/15/17 3 phase 2 mppt
> input inverters, which we are using in the 415V locations but are not
> available in the US. I don't understand why, they are fantastic units. The
> units have up to 6 string inputs, string monitoring, built in electronic
> safety switches, really neat equipment. We need to pressure SMA to make
> them available States-side.****
>
> ** **
>
> On Tue, May 7, 2013 at 11:03 AM, Troy Harvey <taharvey at heliocentric.org>
> wrote:****
>
> Since we stopped using micro-inverters due to the high failure rate,
> network problems, difficultly in replacement – I've been using the
> power-one inverters a bunch because the dual channels solve most of tricky
> issues like different roof aspects, shading, and uneven strings.****
>
> ** **
>
> However, they are limited to 6kW, which is only mid sized in todays world.
> I'm constantly having to design 7-12k systems in residential applications
> all the time. Any other dual channel inverts of the market for 240VAC? I
> remember back a few years ago that sharp had a 3-channel inverter. Doesn't
> look like it is still around.****
>
> ** **
>
> thanks,
>
> Troy Harvey
> ---------------------
> Principal Engineer
> Heliocentric
> 801-453-9434
> taharvey at heliocentric.org****
>
>
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> --
> Chris Mason****
>
> President, Comet Systems Ltd****
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> www.cometenergysystems.com****
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-- 
Chris Mason
President, Comet Systems Ltd
www.cometenergysystems.com
Cell: 264.235.5670
Skype: netconcepts
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