[RE-wrenches] grid tied systems with seperate generator back up

Howie Michaelson howie at suncatchervt.com
Fri Feb 5 12:42:55 PST 2016


Hi Chris,
Can the GSMM be used with non Generac generators?

Howie Michaelson
NABCEP Certified Solar PV Installer™

Sun Catcher
Renewable Energy Systems Sales and Service
VT Solar Electric Incentive Partner
802-272-0004
On Feb 5, 2016 3:17 PM, "Chris Mason" <cometenergysystems at gmail.com> wrote:

> Sorry, autocorrect.  A Generac smart management module.
> On Feb 5, 2016 15:34, "Chris Mason" <cometenergysystems at gmail.com> wrote:
>
>> A general smart management module will sense the generator is running and
>> disconnect the inverter.  No wires required.
>> On Feb 5, 2016 14:33, "Daniel Tittmann" <daniel at greenwired.com> wrote:
>>
>>> Esteemed colleagues-
>>>
>>> We are finding more and more clients with existing utility back up
>>> generators that are wanting grid inter tied solar systems.  Many of these
>>> clients are not willing to go the extra mile to interface the solar system
>>> with the back up gen.  I am wondering if any of you out there have found
>>> simple fail safe solutions for preventing generator back feed when relays
>>> and switch gear are difficult or impossible to implement.
>>>
>>>  I have been thinking perhaps a large enough diode on the gen output
>>> could do it, but then what happens to the grid tied inverter when there is
>>> no where for the power to go?
>>>
>>> I know this is vague, but I am searching the hive to see if there is a
>>> better way to make these customers happy and make the sale.
>>>
>>> Thanks
>>> Daniel
>>>
>>>
>>> Daniel Tittmann
>>> CTO
>>> Greenwired
>>> www.greenwired.com
>>> daniel at greenwired.com
>>> 707-923-2001 (office)
>>> 707-206-5088 (Cell)
>>>
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