Re: [RE-wrenches] Old and new Radian

[frenergy via RE-wrenches]

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 
 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
 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

mjmornings...@gmail.com



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Re: [RE-wrenches] Old and new Radian

[Dave Angelini Offgrid Solar via RE-wrenches]

Component parts become unavailable, the engineering to make backward 
compatibles, the liability, and time spent in support can make a company 
unprofitable. Often the secondary market will step up if there is enough 
demand.


This is nothing new BTW. You have to be in business to do business. 
Shareholders insist on it!


. 02

Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-05-11 5:10 am, frenergy via RE-wrenches wrote:


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 
 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 
 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

mjmornings...@gmail.com

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[RE-wrenches] Metering

[Larry Brown via RE-wrenches]

Does anyone have a recommendation for a high quality meter that can be 
installed near the Main 200 Amp Electric Service Panel at the Point Of 
Interconnection in the Main Service Panel for a Grid Tied System

The client wants to be able to track the electricity the household is actually 
using
And how much the solar electric system is producing

In the net metering arrangement with Central Hudson in NY, all the client gets 
to see on their bill is the net result of the solar credits subtracted from the 
actual usage. In this case, the solar generated credits is consistently zero 
because the usage exceeds the production

Thanks

Larry Brown
Sun Mountain

 

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Re: [RE-wrenches] Metering

[Sam Haraldson via RE-wrenches]

The following are brands I have used and trust.

eGauge - https://www.egauge.net/
Emporia Vue - https://www.emporiaenergy.com/how-the-vue-energy-monitor-works

Verify there is available space within the main service to install the
current transformers for the mains.  Also verify there is space and a
raceway provision (if necessary) for wiring the CT(s) measuring the solar
backfeed.  Lastly, verify there is an available space for powering the
device.

Cheers,
Sam

On Thu, May 11, 2023 at 2:21 PM Larry Brown via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

>
> Does anyone have a recommendation for a high quality meter that can be
> installed near the Main 200 Amp Electric Service Panel at the Point Of
> Interconnection in the Main Service Panel for a Grid Tied System
>
> The client wants to be able to track the electricity the household is
> actually using
> And how much the solar electric system is producing
>
> In the net metering arrangement with Central Hudson in NY, all the client
> gets to see on their bill is the net result of the solar credits subtracted
> from the actual usage. In this case, the solar generated credits is
> consistently zero because the usage exceeds the production
>
> Thanks
>
> Larry Brown
> Sun Mountain
>
>
>
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Re: [RE-wrenches] Metering

[Ray Walters via RE-wrenches]

If you have a built in monitoring system for the PV (inverter's onboard 
metering?) that should tell you PV production, and then subtract that 
from the monthly utility readings to get the household loads.  I don't 
see the need for a separate inline meter, but I guess it depends how 
sophisticated the data needs to be.  Is your client just curious, or are 
they building some monster spread sheet that updates on a 15 minute 
interval?  Its all about the time interval they want.  Usually monthly 
intervals are plenty for most home owners, and that doesn't take 
metering magic, just some arithmetic.


Check out the E Guage, it can do what you want.  Personally I don't like 
being on the hook to support stuff like that years later.  I've already 
had trouble with Blue Planet dropping support of their phone app, which 
pissed some customers off, so I'm not into too many bells and whistles 
that I have to keep supporting down the road.  I've got clients that 
have systems over 20 years old, so support becomes a bigger issue, the 
longer you're in business.   Fancy monitoring = double the call backs.


Here's all they need to do: Get the monthly electric bill, check the 
cumulative production on the PV system, and then do some subtraction.  
Pretty simple for them, and you only get a call, if the inverter 
production is low or off.


Ray Walters
Remote Solar

On 5/11/2023 2:20 PM, Larry Brown via RE-wrenches wrote:

Does anyone have a recommendation for a high quality meter that can be 
installed near the Main 200 Amp Electric Service Panel at the Point Of 
Interconnection in the Main Service Panel for a Grid Tied System

The client wants to be able to track the electricity the household is actually 
using
And how much the solar electric system is producing

In the net metering arrangement with Central Hudson in NY, all the client gets 
to see on their bill is the net result of the solar credits subtracted from the 
actual usage. In this case, the solar generated credits is consistently zero 
because the usage exceeds the production

Thanks

Larry Brown
Sun Mountain

  


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Re: [RE-wrenches] Metering

[Glenn Burt via RE-wrenches]

If they dont need revenue grade measurements, I recommend the Sense monitoring 
unit.I have had one in my house for years and it is inexpensive and gives me at 
a glance status on their website amd their mobile app.Clip on a couple of CT's, 
install a breaker for power and connect it to their WiFi.-GlennSent from my 
'smart'phone, so please excuse typos and spelling errors.-- Original 
message--From: Larry Brown via RE-wrenchesDate: Thu, May 11, 2023 4:21 
PMTo: re-wrenches@lists.re-wrenches.org;Cc: Larry Brown;Subject:[RE-wrenches] 
MeteringDoes anyone have a recommendation for a high quality meter that can be 
installed near the Main 200 Amp Electric Service Panel at the Point Of 
Interconnection in the Main Service Panel for a Grid Tied System

The client wants to be able to track the electricity the household is actually 
using
And how much the solar electric system is producing

In the net metering arrangement with Central Hudson in NY, all the client gets 
to see on their bill is
 the net result of the solar credits subtracted from the actual usage. In this 
case, the solar generated credits is consistently zero because the usage 
exceeds the production

Thanks

Larry Brown
Sun Mountain

 

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Re: [RE-wrenches] Metering

[Jerry Shafer via RE-wrenches]

Lary do you want analog or digital, egauge is great for remote monitoring
or just your basis utility meter and socket is a inexpensive solution a
simple results.
Jerry

On Thu, May 11, 2023, 1:21 PM Larry Brown via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

>
> Does anyone have a recommendation for a high quality meter that can be
> installed near the Main 200 Amp Electric Service Panel at the Point Of
> Interconnection in the Main Service Panel for a Grid Tied System
>
> The client wants to be able to track the electricity the household is
> actually using
> And how much the solar electric system is producing
>
> In the net metering arrangement with Central Hudson in NY, all the client
> gets to see on their bill is the net result of the solar credits subtracted
> from the actual usage. In this case, the solar generated credits is
> consistently zero because the usage exceeds the production
>
> Thanks
>
> Larry Brown
> Sun Mountain
>
>
>
> ___
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Re: [RE-wrenches] Old and new Radian

[Jeremy Coxon via RE-wrenches]

I have at least (3) 8048’s with mates and hubs along with a slew of OB cc’s and 
OB 3 shelf battery “boxes” that are all functional.  Contact off list.

Jeremy Coxon NABCEP 
Certified MWBE

Sent from my iPhone
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Re: [RE-wrenches] Metering

[Kent via RE-wrenches]

If the inverter(s) provided energy production data, you would already 
have all the information you really need. Sounds like it must not. So, 
if you are looking for something that is relative inexpensive and 
reasonably accurate, but not revenue grade, you could use an Efergy True 
Power meter  to measure the solar energy 
produced. It provides daily energy produced or used on the circuit being 
measured for seven days. Then the data roll up into weekly and monthly 
totals. This device doesn't communicate via the internet so there is no 
data storage on a cloud server. I have been using one on my personal 
system for many years. Transmits about 200 feet from the PV array to the 
portable monitor that I keep at the house.


Kent Osterberg
Blue Mountain Solar


On 5/11/2023 1:20 PM, Larry Brown via RE-wrenches wrote:

Does anyone have a recommendation for a high quality meter that can be 
installed near the Main 200 Amp Electric Service Panel at the Point Of 
Interconnection in the Main Service Panel for a Grid Tied System

The client wants to be able to track the electricity the household is actually 
using
And how much the solar electric system is producing

In the net metering arrangement with Central Hudson in NY, all the client gets 
to see on their bill is the net result of the solar credits subtracted from the 
actual usage. In this case, the solar generated credits is consistently zero 
because the usage exceeds the production

Thanks

Larry Brown
Sun Mountain

  


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