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vas's latest activity
vas
reacted to
Irish Rover's post
in the thread
Solar Panel Efficiency?
with
Like
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Yeah. Our plan was to be up and running for that time today but there was a delay getting MC4 connectors. We'll see tomorrow. We opted...
1 Oct 2024
vas
replied to the thread
Old dogs on boats
.
Bouba, how old is the real Bouba - not you!
1 Oct 2024
vas
replied to the thread
Solar Panel Efficiency?
.
just note what the victron app reports at between 1pm -2pm that's the peak right now.
1 Oct 2024
vas
reacted to
Irish Rover's post
in the thread
Solar Panel Efficiency?
with
Like
.
We got the panels back working just before 15.30 this afternoon. They were producing 490/495W There was far less fluctuation in the...
1 Oct 2024
vas
replied to the thread
Old dogs on boats
.
yep pics are fine... we find daughter's dog a 5.5kg little thing is starting occasionally struggling coming up the 6steps from the...
1 Oct 2024
vas
replied to the thread
Solar Panel Efficiency?
.
my mistake! Open circuit voltage is the right term I've got 70mm2 cables from lifepo4 bank to bus bar @24V, dont even get warm when 2kW...
1 Oct 2024
vas
reacted to
PaulRainbow's post
in the thread
Solar Panel Efficiency?
with
Like
.
The 60mm cable is the original cable from the batteries to the main positive busbar. It's not big for a motorboat, especially at 12v...
1 Oct 2024
vas
replied to the thread
Solar Panel Efficiency?
.
2.5mm2 is thin, 6mm2 is good, I'd stick to series tbh (but I guess it's going to be reasonably easy to try and swap over) What's the...
1 Oct 2024
vas
reacted to
PaulRainbow's post
in the thread
Solar Panel Efficiency?
with
Like
.
He has 2x625w panels, in series to a single controller. At max that would be circa 100v at 15a, with a 7m cable run of 1.5mm cable, you...
1 Oct 2024
vas
replied to the thread
Solar Panel Efficiency?
.
but Paul, wont be 100V if in parallel will be 50V. I'm assuming these panels are 48-50V OC like mine are but maybe wrong. OP has to...
1 Oct 2024
vas
reacted to
PaulRainbow's post
in the thread
Solar Panel Efficiency?
with
Like
.
If you change to parallel you double the current, so you have, at max, 100v 50v @ 30a = just over 5v drop !
1 Oct 2024
vas
replied to the thread
Solar Panel Efficiency?
.
hm, when calculating voltage drop on DC, don't we double the distance as in AC or I got that wrong? no matter what if cable is that...
1 Oct 2024
vas
replied to the thread
Solar Panel Efficiency?
.
what do the experts think? isn't 1.5mm2 (AWG15?) a bit thin for a 14m trip of 90VDC @12-15A (at summer peak)? If I got my numbers...
1 Oct 2024
vas
reacted to
PaulRainbow's post
in the thread
Solar Panel Efficiency?
with
Like
.
Easy to test if the batteries are taking all of the solar yield when in bulk, or at any other time. Watch the output from the controller...
1 Oct 2024
vas
reacted to
Irish Rover's post
in the thread
Solar Panel Efficiency?
with
Like
.
Yes, on the flybridge hardtop 2.3 x 1.15 6/7 m and 1.5mm² cable No obstructions worth mentioning, all done in the marina, nothing...
1 Oct 2024
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