[RE-wrenches] Flickering LED lights on and Outback Dual 7248 VFX system

Dan Fink danbob88 at gmail.com
Mon Jan 6 16:33:30 PST 2014


I think it's for sure how fast LEDs react boB. That's why I don't see it
with other lighting technologies like CFL etc.
But I don't understand  a fridge that causes constant flicker when it is
on. Too bad it's not easy to just try another fridge! Trying another light
is much easier ;-)

Dan Fink,
Executive Director;
Otherpower
Buckville Energy Consulting
Buckville Publications LLC
NABCEP / IREC accredited Continuing Education Providers
970.672.4342




On Mon, Jan 6, 2014 at 5:25 PM, boB at midnitesolar.com
<boB at midnitesolar.com>wrote:

>
> Only during Big load surges ?
>
> Could it be current limiting and because LEDs are so fast on and off, you
> notice the drop in momentary voltage ?
>
> Any inverter might do that under the right conditions.
>
> Just a thought.
>
> boB
>
>
>
>
>
> On 1/6/2014 3:45 PM, Dan Fink wrote:
>
> I consider LED flicker as very common when a fridge starts up, but NOT
> while it's running. Both dimmed and not dimmed LEDs. I see flicker more
> often on systems with smaller (or aging) battery systems of course. The
> only particular appliance I have found causing constant flicker here and
> with my clients is a particular brand of laser printer. And also a
> subwoofer on the stereo (light show!)....a different subwoofer brand solved
> that problem. Go figure, I have no idea why. Most of my inverters are by
> Magnum. I have not found much difference with LED brands or dimmer brands.
> I can see how this could be a problem for your client, Kirpal. None of
> mine seem to mind a startup flicker, but if its constant that's a big
> problem. I wish I had an answer for you, but I hope that providing this
> information helps others. CFLs do not give me the same problem, but of
> course have their own other problems.
>
> Dan Fink,
> Executive Director;
> Otherpower
> Buckville Energy Consulting
> Buckville Publications LLC
> NABCEP / IREC accredited Continuing Education Providers
> 970.672.4342
>
>
>
>
> On Mon, Jan 6, 2014 at 2:48 PM, Jay Peltz <jay at asis.com> wrote:
>
>> Dimmers are super specific to light brand/type.  You'll have to do the
>> research
>>
>> For now swapping to regular switches should work
>>
>> Jay
>>
>>
>> >
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