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Showing results 1 to 13 of 13
Search took 0.01 seconds. Search: Posts Made By: groar
Forum: Solar Power 07-09-09, 02:27 PM
Replies: 132
Views: 88,002
Posted By groar
Yes, I always forget that some people have 2x12...

Yes, I always forget that some people have 2x12 hours per day ;)



All solar panels are sensible to heat. Generally the lower the efficiency and the higher the loss of production because the...
Forum: Solar Power 07-04-09, 06:40 PM
Replies: 132
Views: 88,002
Posted By groar
About your low numbers for June, which is the max...

About your low numbers for June, which is the max instantaneous you could notice between 11 and 15 ?

Your output from the panels may be greater than the maximal input of your inverter. The...
Forum: Solar Power 06-25-09, 03:41 PM
Replies: 132
Views: 88,002
Posted By groar
"Albedo" may be a part of the solution : find...

"Albedo" may be a part of the solution : find something clear that reflect the sun and cover the ground around the panels. Not only the panels will receive more indirect light, but the surrounding...
Forum: Solar Power 06-07-09, 02:08 AM
Replies: 132
Views: 88,002
Posted By groar
Hi b4u2, and welcome on-board. Tell us more...

Hi b4u2, and welcome on-board.

Tell us more about your project. Don't hesitate to create your own thread and flood us with details ;)

Denis.
Forum: Solar Power 02-26-09, 01:33 PM
Replies: 132
Views: 88,002
Posted By groar
If Wednesday looks bad, look at the first...

If Wednesday looks bad, look at the first thursday :(. They were cruddy dark days.[/QUOTE]

Panels need some amount of power to produce, the inverter needs some amount of power to produce (mine...
Forum: Solar Power 02-01-09, 04:13 PM
Replies: 132
Views: 88,002
Posted By groar
One thing I confirmed during the blackout : the...

One thing I confirmed during the blackout : the inverter stops when the grid doesn't provide power. This is a requirement by European norms : the time between grid's power loss and inverter switch...
Forum: Solar Power 01-23-09, 03:22 AM
Replies: 132
Views: 88,002
Posted By groar
From Watt-peak - Wikipedia, the free encyclopedia...

From Watt-peak - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Watt-peak) :

But other parameters are also important :


Denis.
Forum: Solar Power 01-22-09, 03:32 PM
Replies: 132
Views: 88,002
Posted By groar
Oops, Wc may be the French term ("Watt Crête"),...

Oops, Wc may be the French term ("Watt Crête"), which can be translated by "Peak Watt" but I don't know if this is the English term. This is the output of the panel at normalized conditions: iirc...
Forum: Solar Power 01-22-09, 03:04 PM
Replies: 132
Views: 88,002
Posted By groar
Here is a comparaison between an unoptimized...

Here is a comparaison between an unoptimized installation (mine toward to West with a fixed horizontal angle of 20° - roof integration) and an optimized one (jwxr7's toward to South with a horizontal...
Forum: Solar Power 01-22-09, 02:27 PM
Replies: 132
Views: 88,002
Posted By groar
Here is my daily consumption (including hot water...

Here is my daily consumption (including hot water and heating) vs my weekly production in kWh for the last 8 weeks : http://ecorenovator.org/forum/attachment.php?attachmentid=68&d=1232653165
OPH =...
Forum: Solar Power 01-14-09, 02:49 PM
Replies: 132
Views: 88,002
Posted By groar
:thumbup: 26kWh/day is very little with such a...

:thumbup: 26kWh/day is very little with such a low external temperature.
How much square feet do you heat ?

For 900 sq ft we are using 17kWh/day (12.5 peak hours, 4.5 off peak) in addition to...
Forum: Solar Power 01-08-09, 02:40 PM
Replies: 132
Views: 88,002
Posted By groar
My panels were under the snow mostly all day....

My panels were under the snow mostly all day. They made the worst production since 21st Nov. : 322Wh. For 3000Wc installed, this is 0.1Wh/Wc... Of course the inverter switched on lately and it took a...
Forum: Solar Power 01-07-09, 10:20 AM
Replies: 132
Views: 88,002
Posted By groar
Cool :cool: Good news about the wattmeter...

Cool :cool:

Good news about the wattmeter being usable as monitor :thumbup: I was wondering if this could be done as such a project is always in my head (to lower as much as possible my constant...
Showing results 1 to 13 of 13

 
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