[RE-wrenches] Dual Channel Inverters

[Steve Jefferson]

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
Steve Jefferson
Supervisor, Service Line
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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<mailto: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<tel:801-453-9434>
taharvey at heliocentric.org<mailto:taharvey at heliocentric.org>

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--
Chris Mason
President, Comet Systems Ltd
www.cometenergysystems.com<http://www.cometenergysystems.com>
Cell: 264.235.5670
Skype: netconcepts
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