On module IV curves, 100 w/m2 is the lowest insolation level usually
listed. It would also depend on the charge controller or inverter being
used. I've seen arrays make power at below 100 w/ m2 if there is enough
array to overcome the operating losses of the electronics.
R.Ray Walters
CTO,
Hi Benn,
It's from my own experience. I teach classes and find that is around the
minimum irradiance for full voltage. Of course it is a little different for
different modules, and levels of diffuse versus direct sunlight. But the
difference in time between when a spot will see 100 and 300W
Thank you Kelly.
Not that I don't believe you, but can you provide any data to back this up?
I should have asked for that upfront.
benn
Sent from a 'smart' phone, with touch screen keys. Please excuse shortcuts and
typos.
On 2013-09-05, at 10:24 AM, Kelly Larson wrote:
> Hi Benn,
>
> It's
Hi Benn,
It's around 200W per square meter.
Blessings,
Kelly
Kelly Larson
Electrical Engineer
NABCEP Certified Solar PV Installation Professional
ISPQ Master Trainer
CA Electrical Contractor# 868189
SolarKelly.com
On Sep 5, 2013, at 9:06 AM, Benn At DayStarSolar wrote:
> Wrenches,
> I was aske
Wrenches,
I was asked... What is the minimum Lux level required to make usable
electricity with a commonly installed monocrystaline PV module.
The question is for the purpose of designing a tracker that will not operate
until a particular threshold is reached.
Thanks,
benn
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