This thread titled "New PV System performance" is posted in the under the Solar PV Forum | Solar Panels Forum on Electricians Forums.

Kev, you're not far from me and I just checked your system against my WSW 3.9kW system on Pvoutput.org (Southwood solar) and yours has generally been putting out more daily kWh than mine since the begining. I am happy that my system is performing well compared to other local systems so I'd say yours has been performing above expectations and that it was setup ok from the start. The low peaks are probably just caused by high altitude haze or panel temperature the same as affects the rest of us.
 
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UPDATE

Since putting rhe jumpers in my system it is now performing properly

My highest peak today has been 3.55kw far above what i was peaking before

This should have been carried out by the installer, feel sorry for anyone else if the same installer has done the same to them (they probably dont even know)

Thanks to everyone for helping me fix this problem

Regards

Kev
my system here on PVoutput http://pvoutput.org/list.jsp?userid=11847
 
Last edited by a moderator:
UPDATE

Since putting rhe jumpers in my system it is now performing properly

My highest peak today has been 3.55kw far above what i was peaking before

This should have been carried out by the installer, feel sorry for anyone else if the same installer has done the same to them (they probably dont even know)

Thanks to everyone for helping me fix this problem

Regards

Kev
my system here on PVoutput KevHky - SEAHAM July 2012 3.360kW

With the cooler breezier days, my system has returned to peak output during the sunny spells in recent days.

From what I've seen of my panels on hot, calm, sunny days compared to hot breezy days, I reckon around half of the power loss on those calm days is attributable to the temperature coefficient of the panels, and half due to the still air around the panels.
So on a 3.6kW system up to 0.4kW losses due to heat and another 0.4kW losses due to lack of cooling breeze.
 

Reply to the thread, titled "New PV System performance" which is posted in the under the Solar PV Forum | Solar Panels Forum on Electricians Forums.

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