[RE-wrenches] Looking for remote controlled contactors
jason at floridasolardesigngroup.com
Tue Oct 11 13:22:13 PDT 2022
I'm not a fan of this strategy because it is not failsafe. Contactors fail.
When the coil fails to open the contactor, you will have the PV AC coupled
with the generator If he normally closed contactor is used in this manner.
I think the question needs to be the converse: How do you turn the PV on
remotely only when the generator is not running.
Florida Solar Design Group
On Tue, Oct 11, 2022, 2:45 PM Maverick Brown via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:
> I’ll usually use a 60 amp contactor with 240Vac coil.
> The generator powers the coil and opens the Normally Closed contacts
> disconnecting the grid tie inverter.
> Maverick Brown
> Off-Grid Solar Commander since 2006
> *Maverick Solar Enterprises, Inc.*
> * • Solar Commander Remote Power*
> * • SunFlow Systems Cathodic Protection *maverick at mavericksolar.com
> On Oct 11, 2022, at 11:26 AM, Kirk Herander via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
> I’m looking for suggestions on a remote control 60 amp contactor. It can
> either be true wireless or send a signal down an AC power line to open /
> close contact at the other end.
> I’m trying to figure out a non-wired way to turn an AC coupled inverter
> off when the generator is running, as advised by outback and others.
> All suggestions welcome thank you.
> *Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*
> *Owner|Principal, VT Solar, LLC*
> *Celebrating our 31st Anniversary 1991-2022!!*
> dba Vermont Solar Engineering
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