Corey,
What make of panel please. Forgive if I missed it...
Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail offgridso...@sti.net
text 209 813 0060
> Corey,
>
> I have been studying IR diagnostics quite a lot, but I haven't had a whole
> lot
I've checked several PV modules under load in past years and they all
seem to do this.
Just cell mis-match I was guessing.
boB
On 5/17/2018 3:19 PM, Corey Shalanski wrote:
On a recent utility-scale PV installation we noticed a strange
phenomenon on a single string on a single inverter. An
Corey,
I have been studying IR diagnostics quite a lot, but I haven't had a whole lot
of opportunity to "get my hands dirty" with it, so I'm not sure how much help
I'll be. I would like to know how many modules are in each string.
I'm going to share some random thoughts on this, but nothing her
A dampening of the knee of the IV curve would be indicative of higher series
resistance. The higher series resistance would also increase cell temperatures
as shown in the thermo image. The cooling off of the cells under open circuit
conditions would also correlate to the higher series resista
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