Re: [RE-wrenches] Flickering lights on off grid AC coupled radian system

2022-02-04 Thread jay 
I’ve never had LED flicker on the inverter but when battery charging for sure.  

The radian has a setting for that.

jay



> On Feb 4, 2022, at 2:12 PM, Bradley Bassett  wrote:
> 
> I’ve had LED lights, with multiples in one fixture, flicker on grid power. 
> 
> Brad
> 
> Sent from my iPhone
> 
>> On Feb 4, 2022, at 7:18 AM, Dana Orzel  wrote:
>> 
>> Ditto on misc flickering w LEDs on my Off grid Radian system 
>> I have some LEDs that are absolutely stable all the time and some of the 
>> smaller I guess I’d call them decorative type ones in a hanging lamp over a 
>> dining table seem to be unstable all the time and I would attribute that to 
>> Cheaper less reliable electronics in the LEDs & more so when are dimmed down 
>> .
>> 
>> 
>> Dana Orzel
>> C: 208.721.7003
>> E- d...@solarwork.com
>> 
>>> On Feb 4, 2022, at 8:09 AM, drake.chamber...@redwoodalliance.org wrote:
>>> 
>>> Some LEDs will flicker at times with off grid AC coupled systems. I've 
>>> seen this with Outback and Magnum. Some brands of LED seem stable.
>>> 
>>> Drake Chamberlin
>>> Athens Electric LLC
>>> Ohio Electrical Contractor’s License 44810
>>> CO Master Electrician’s License 4526
>>> NABCEP Certified PV Installation Professional
>>> 
>>> 
>>> ---
>>> 
>>> 
 On 2022-02-02 14:59, Lars Ortegren wrote:
 
 Wrenches,
 I'm hoping to solve an issue we've had with a couple of our off grid AC 
 coupled systems. We have had multiple reports of different LED and 
 traditional ballasted fluorescent systems "flickering" during the day when 
 the AC systems are producing power. We havent had issues with other off 
 grid AC coupling using Sunny Islands, or even old VFX inverters, but this 
 does seem to be an issue directly related to the Radians.I'm wondering if 
 any of you have had experience with this, and if you found any hacks to 
 "clean up" the power?
 --
 Lars Örtegren
 General Manager
 Co-Founder
 Worker-Owner
 He/Him
 https://www.cal-solar.coop/
 530 274 3671 | ext 307
 l...@cal-solar.com
 www.Cal-Solar.coop
 149 E. Main St, Grass Valley, CA 95945
 NABCEP: #PVI-091110-89
 CSLB #779624
 https://www.amicussolar.com/ https://www.nabcep.org/
 https://californiasolarco.com/quote/
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Re: [RE-wrenches] Flickering lights on off grid AC coupled radian system

2022-02-04 Thread Bradley Bassett 
I’ve had LED lights, with multiples in one fixture, flicker on grid power. 

Brad

Sent from my iPhone

> On Feb 4, 2022, at 7:18 AM, Dana Orzel  wrote:
> 
> Ditto on misc flickering w LEDs on my Off grid Radian system 
> I have some LEDs that are absolutely stable all the time and some of the 
> smaller I guess I’d call them decorative type ones in a hanging lamp over a 
> dining table seem to be unstable all the time and I would attribute that to 
> Cheaper less reliable electronics in the LEDs & more so when are dimmed down .
> 
> 
> Dana Orzel
> C: 208.721.7003
> E- d...@solarwork.com
> 
>> On Feb 4, 2022, at 8:09 AM, drake.chamber...@redwoodalliance.org wrote:
>> 
>> Some LEDs will flicker at times with off grid AC coupled systems. I've seen 
>> this with Outback and Magnum. Some brands of LED seem stable.
>> 
>> Drake Chamberlin
>> Athens Electric LLC
>> Ohio Electrical Contractor’s License 44810
>> CO Master Electrician’s License 4526
>> NABCEP Certified PV Installation Professional
>> 
>> 
>> ---
>> 
>> 
>>> On 2022-02-02 14:59, Lars Ortegren wrote:
>>> 
>>> Wrenches,
>>> I'm hoping to solve an issue we've had with a couple of our off grid AC 
>>> coupled systems. We have had multiple reports of different LED and 
>>> traditional ballasted fluorescent systems "flickering" during the day when 
>>> the AC systems are producing power. We havent had issues with other off 
>>> grid AC coupling using Sunny Islands, or even old VFX inverters, but this 
>>> does seem to be an issue directly related to the Radians.I'm wondering if 
>>> any of you have had experience with this, and if you found any hacks to 
>>> "clean up" the power?
>>> --
>>> Lars Örtegren
>>> General Manager
>>> Co-Founder
>>> Worker-Owner
>>> He/Him
>>> https://www.cal-solar.coop/
>>> 530 274 3671 | ext 307
>>> l...@cal-solar.com
>>> www.Cal-Solar.coop
>>> 149 E. Main St, Grass Valley, CA 95945
>>> NABCEP: #PVI-091110-89
>>> CSLB #779624
>>> https://www.amicussolar.com/ https://www.nabcep.org/
>>> https://californiasolarco.com/quote/
>>> ___
>>> List sponsored by Redwood Alliance
>>> Pay optional member dues here: http://re-wrenches.org
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> 
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Re: [RE-wrenches] Flickering lights on off grid AC coupled radian system

2022-02-04 Thread Dana Orzel 
Ditto on misc flickering w LEDs on my Off grid Radian system 
I have some LEDs that are absolutely stable all the time and some of the 
smaller I guess I’d call them decorative type ones in a hanging lamp over a 
dining table seem to be unstable all the time and I would attribute that to 
Cheaper less reliable electronics in the LEDs & more so when are dimmed down .


Dana Orzel
C: 208.721.7003
E- d...@solarwork.com

> On Feb 4, 2022, at 8:09 AM, drake.chamber...@redwoodalliance.org wrote:
> 
> Some LEDs will flicker at times with off grid AC coupled systems. I've seen 
> this with Outback and Magnum. Some brands of LED seem stable.
> 
> Drake Chamberlin
> Athens Electric LLC
> Ohio Electrical Contractor’s License 44810
> CO Master Electrician’s License 4526
> NABCEP Certified PV Installation Professional
> 
> 
> ---
> 
> 
>> On 2022-02-02 14:59, Lars Ortegren wrote:
>> 
>> Wrenches,
>> I'm hoping to solve an issue we've had with a couple of our off grid AC 
>> coupled systems. We have had multiple reports of different LED and 
>> traditional ballasted fluorescent systems "flickering" during the day when 
>> the AC systems are producing power. We havent had issues with other off grid 
>> AC coupling using Sunny Islands, or even old VFX inverters, but this does 
>> seem to be an issue directly related to the Radians.I'm wondering if any of 
>> you have had experience with this, and if you found any hacks to "clean up" 
>> the power?
>> --
>> Lars Örtegren
>> General Manager
>> Co-Founder
>> Worker-Owner
>> He/Him
>> https://www.cal-solar.coop/
>> 530 274 3671 | ext 307
>> l...@cal-solar.com
>> www.Cal-Solar.coop
>> 149 E. Main St, Grass Valley, CA 95945
>> NABCEP: #PVI-091110-89
>> CSLB #779624
>> https://www.amicussolar.com/ https://www.nabcep.org/
>> https://californiasolarco.com/quote/
>> ___
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>> Pay optional member dues here: http://re-wrenches.org
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>> Change listserver email address & settings:
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Re: [RE-wrenches] Flickering lights on off grid AC coupled radian system

2022-02-04 Thread drake . chamberlin 
Some LEDs will flicker at times with off grid AC coupled systems. I've 
seen this with Outback and Magnum. Some brands of LED seem stable.


Drake Chamberlin
Athens Electric LLC
Ohio Electrical Contractor’s License 44810
CO Master Electrician’s License 4526
NABCEP Certified PV Installation Professional


---


On 2022-02-02 14:59, Lars Ortegren wrote:


Wrenches,
I'm hoping to solve an issue we've had with a couple of our off grid AC 
coupled systems. We have had multiple reports of different LED and 
traditional ballasted fluorescent systems "flickering" during the day 
when the AC systems are producing power. We havent had issues with 
other off grid AC coupling using Sunny Islands, or even old VFX 
inverters, but this does seem to be an issue directly related to the 
Radians.I'm wondering if any of you have had experience with this, and 
if you found any hacks to "clean up" the power?

--

Lars Örtegren

General Manager

Co-Founder

Worker-Owner

He/Him

https://www.cal-solar.coop/

530 274 3671 | ext 307

l...@cal-solar.com

www.Cal-Solar.coop

149 E. Main St, Grass Valley, CA 95945

NABCEP: #PVI-091110-89
CSLB #779624

https://www.amicussolar.com/ https://www.nabcep.org/
https://californiasolarco.com/quote/
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Re: [RE-wrenches] Flickering lights on off grid AC coupled radian system

2022-02-02 Thread Chris Sparadeo 
Hi Lars,

It sounds like an issue with frequency shifting. I’m guessing that this is
mostly happening when the battery is full. The Radian is shifting its
frequency (to probably around 63-64 Hz)  to turn of the AC coupled PV
inverter. Some lights and electronics don’t like this and can either
flicker, or turn off. This is one of the issues with AC coupling that makes
it a less than ideal fit for off-grid application.

One option would be to look into replacing the lights with something that
has a larger tolerante for change in frequency. Another option might be to
lower the inverter’s grid frequency tolerance so that it trips and turns
off before the flights end up freaking out.

Hope this helps.

-Chris

On Wed, Feb 2, 2022 at 2:59 PM Lars Ortegren  wrote:

> Wrenches,
> I'm hoping to solve an issue we've had with a couple of our off grid AC
> coupled systems. We have had multiple reports of different LED and
> traditional ballasted fluorescent systems "flickering" during the day when
> the AC systems are producing power. We havent had issues with other off
> grid AC coupling using Sunny Islands, or even old VFX inverters, but this
> does seem to be an issue directly related to the Radians.I'm wondering if
> any of you have had experience with this, and if you found any hacks to
> "clean up" the power?
>
> --
> Lars Örtegren
> General Manager
> Co-Founder
> Worker-Owner
> He/Him 
> 
> 530 274 3671 | ext 307 <530+274+3671>
> l...@cal-solar.com
> www.Cal-Solar.coop 
> 149 E. Main St, Grass Valley, CA 95945
> 
>   NABCEP: #PVI-091110-89
> CSLB #779624  
>   
>
> 
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> --
Chris Sparadeo


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