I was going to order a lot of solar panel mounting brackets for pitched tile roof and when I discovered the price I was thinking maybe it's cheaper to build the brackets from angle brackets in the hardware store?
Has anyone done this before?
Do I need isolator/solar disconnect when I have breakers? Can I just turn off the breakers when doing maintenance on the solar panels? Like on this picture?
I have an old panel, don't know how many watts.
The 2 first minute is normal but then the solar panels output is strange. The ampere/watt behaviour is jumping constantly after the 2 first minutes.
If I reconnect the panel it takes just seconds before the strange behaviour appear. If I wait...
Is there any issues with using wood/plank/barge as mounting rails for solar panels on the roof? It's much cheaper but it's almost no one using it. Is there a reason not to use it?
I found just one guy on YouTube using it:
Is there a inverter that supplements/ties with the grid, but does not ever backfeed the grid? When I search it seems this is called zero-export inverter, is that right? Or is it called limiter? I see it's something called zero export to ct, but I don't know what ct means?
I just wanna use solar...
Let's assume I have 40 panels 250w Isc 8.9a Voc 37.8
What is the best panel configuration for the MPP MAX 11KW? It has max 18a pv input current...
sunshine_eggo wrote on diysolarforum: Current limit is more flexible. Going a little bit over the current limit is typically fine as the unit just...
I'm in the process of choosing an Axpert Max offgrid inverter at https://www.solarpower24.it/category-product/inverter-en/off-grid-inverters/primo-max-en/?lang=en
What is best of SP24 and Voltronic?
What is best of Max1 and Max2?
My impression from threads is Max1 is more tried and solid, is...
If you look at the picture there is not enough space for a nut on the top of the Bus bars on this Lifepo4 battery. How can I solve this?
(3p4s configuration)
I have some DC circuit breakers and when connecting an apropiate wire it feels loose even when tightening the screw.
Is the solution to use ferrules on the wire?
Where can I buy used / second hand solar panels in Europe? I live in Norway and shipping/delivery costs from USA is too much I think. I've searching on ebay but hasn't seen much.
Any name on solar installers in Denmark, Sweeden, Germany? I'll ask if they have any left over panels from an...