[RE-wrenches] Back-up generator/inverter shut-down relay

[Chris Mason]

Ask the client if he is willing tho try the $120 experiment. If it doesn't
work, I'll give you $60 for the SMM.

On Sep 15, 2016 15:50, "Benn Kilburn" <benn at skyfireenergy.com> wrote:

> A couple of wrenches have suggested the Generac SMM (link in email below)
> but a call to generac resulted in them saying they only test it with their
> own generators and cannot say if it will work properly and will not offer
> support if connected with generators other than Generac.
>
> Have any of you used this SMM with success with gens other than Generac?
>
> And to answer a few other suggestions ...the reason we need something like
> this is the layout of all the electrical equipment.
> At the end of the driveway is the pole with the transformer and
> meter/splitter combo.
> 15' away is the shed housing the generator and ATS. Then there is the
> underground feed to the house which if trenched would be about 350' to the
> house where the main panelboard is located along with the 2 SolarEdge
> inverters and the PV system.
> So we cannot reasonably interconnect btwn the ATS and the meter, hence the
> need for a way to shut down the inverters when the generator is running.
>
> The SMM that was suggested sounds great, but I don't want our client to be
> a guinea pig to see if it will work properly with a non-Generac generator.
>
> Thanks,
>
> Benn Kilburn
> SkyFire Energy Inc.
> 780-906-7807
>
> On Sep 8, 2016, at 6:45 PM, Matthew Sherald <matt at getpimby.com> wrote:
>
> Generac offers a Smart Management Module.
>
> http://gens.lccdn.com/GeneracCorporate/media/Library/content/all-products/
> transfer-switches/residential-transfer-switches/0L1500-B-SMM-Module.pdf
>
> I used one of these at a grid-tie job where the customer was
> simultaneously having a Generac unit installed.  The Generac installer
> turned me on to the device and it seemed to do the trick.  It was a similar
> situation where the PV and GT inverter were at an outbuilding far removed
> from the main panel at the house.
>
>
> On Thu, Sep 8, 2016 at 1:00 PM, Benn Kilburn <benn at skyfireenergy.com>
> wrote:
>
>> Wrenches,
>> We are installing 2 SolarEdge SE7600A-US inverters in a grid-tied system
>> that has a 15kw back-up generator on an auto transfer switch.
>>
>> The generator is located in a shed about 300' or more away and the
>> feeders to the house are underground.
>> Inverters are located in the house basement mechanial room along with the
>> house electrical panelboard.
>>
>> We are looking for relay options to shut down the inverters when there is
>> a power interruption, before the generator kicks in.  This could be a
>> manual reset.
>>
>> What are some options you have seen/used for something like this?
>>
>> Thanks,
>>
>> *Benn Kilburn *
>> CSA Certified Solar Photovoltaic Systems Electrician, SkyFire Energy Inc
>> 14515 – 121A Ave NW | Edmonton, AB | T5L 2T2
>> P: 780-474-8992 | F: 888-405-5843 | www.skyfireenergy.com
>> [image: email] <benn at skyfireenergy.com> [image: facebook]
>> <https://www.facebook.com/SkyFireEnergy> [image: twitter]
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>>
>>
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>>
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>
>
> --
> Matt Sherald
> PIMBY Energy, LLC
> NABCEP Certified Solar PV Installer®
> 304-704-5943
>
> www.getpimby.blogspot.com
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