[RE-wrenches] Old and new Radian

[frenergy]

Michael,

             That's rather dis-heartening if boards are no longer 
available for a 10 year old product.  Got a long day out of town today 
but will ruminate on responses.

Bill

Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.(shipping)
5575 Genesee Rd. (USPS, UPS)
Taylorsville, CA 95983
530.284.1925 Office/ 530.258.1641 Cell
CA Lic 874049
Solar powered since 1982

On 5/10/2023 6:48 PM, Michael Morningstar via RE-wrenches wrote:
> I just pulled out an 8048 and replaced it with a 8048A due to the lack 
> of AC boards for 8048s. I didn't know any better and put in a new 
> 8048A board and learned the hard way that they aren't cross 
> compatible. Smoked it. If you think you can find a board for it, it's 
> yours.
>
> On Wed, May 10, 2023 at 11:06 AM Darryl Thayer via RE-wrenches 
> <re-wrenches at lists.re-wrenches.org> wrote:
>
>     Sorry if this is nonsense,  but your existing Radian is your "AC
>     grid source," It can act as the paralleling.
>     AC coupling source.  I did this about 20 to 30 years ago, using FX
>     inverters, not Radians, to power a large motor.
>     Can your Radian Mate 3 run in grid zero? Or if not, one inverter
>     runs all the time as a grid source ( grid forming)
>     the second inverter (grid following) runs in Grid-Zero mode, with
>     "off-set" set at 30 Amps.  If the load is less than 30 amps,
>     the grid-following inverter carries the load.  (The grid-forming
>     inverter supplies the grid signal, and the following inverter
>     carries the load.) When your load exceeds 30 amps, the extra
>     current comes from the grid-forming inverter.  The Radian can
>     pass up to 50 or 60 amps from the forming inverter.  You can get
>     50 to 60 amps
>     to the load when you add the forming and following inverters. 
>     Errors: this will double your parasitic load, I have not done this
>     so beware.  This is not the answer for V2H; other inverters can
>     work in this combination but
>
>     On Wed, May 10, 2023 at 10:04 AM frenergy via RE-wrenches
>     <re-wrenches at lists.re-wrenches.org> wrote:
>
>                  The wrench list has some very creative thinkers that
>         may have a
>         go around to be able to master/slave an old Radian's output
>         with a new
>         one.   Outback says this is not do-able.   We're completely
>         off-grid out
>         here and have been charging EVs (one at a time) with an eleven
>         year old
>         Radian (GS8048) for years but the Ford Lightning is on its
>         way.  Outback
>         says I can't add the newer GS8048A to exiting version (no "A").
>
>         Ideas??
>
>         Bill
>
>         Feather River Solar Electric
>         Bill Battagin, Owner
>         4291 Nelson St.(shipping)
>         5575 Genesee Rd. (USPS, UPS)
>         Taylorsville, CA 95983
>         530.284.1925 Office/ 530.258.1641 Cell
>         CA Lic 874049
>         Solar powered since 1982
>
>         -- 
>
> Michael Morningstar
>
>
> Morningstar Electric
>
> PO Box 1494
>
> Mount Shasta, CA 96067
>
> 530-921-0560
>
> mjmorningstar at gmail.com
>
>
>
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