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I should just sneak it at full sun. But I might just use 6 and narrow it down with that.

Thanks for all the replies. I took the Monday before Nightshift to observe and check on a sunny day. I would say that one of my panels is dragging the overall system down somehow. The system was topping out at 1900watts with a far lower voltage than what the past year has indicated. So I will probab...

nowty wrote: ↑Sun Mar 16, 2025 1:18 pm Just looks like normal MPPT algorithm to me, some of the extreme data points might not even be real.

You think so? I've just never noticed the massive drops before while being a paranoid observer. But you guys would probably know more than me.

Any chance you could plot the current on the same graph ?, either PV current or output current ? EDIT - And when did this start happening ?, and how often does it happen ? I noticed it last week. We've only really had sun for the last few weeks so it's been a while since I've needed to really check...

Lurker coming back to ask a question on trouble shooting an intermittent issue. I've had my system in place for a year now, zero issues till now. But I've noticed I have a voltage drop in the system. My panels are 10x Longi LR5-54HIB-405M in series. Hooked up to a Victron 450/200. It used to sit aro...

AE-NMidlands wrote: ↑Sat Nov 30, 2024 6:45 pm 46.8 kWh... dismal: 74% of predicted, 10.4kWh/kWp.

I actually have you beaten with gloomy miserable Highland weather. 28kwh generated. Which really makes me appreciate how little sun that we get in our little corner. I don't think we need a breakdown following such a low amount.

Thanks for the replies though guys. I agree with both of you on the merit of a cheaper Chinese inverter Vs going full send with the victron. If I had a slightly different use case I would be Chinese inverter all the way. I will for now separate the shed earth with a TT island as I have the space. Gr...

That’s a mighty expensive charge controller, but it is what it is if you have bought all the kit. What’s the panel types ?, because you might be pretty close to that charge controllers limit. You need to use the Open Circuit voltage and add a little more say 5% or 10% for really cold startups, espe...

Hey! I've been lurking this forum and others of the like for sometime. Gleaning information and taking ideas, hopefully this DIY solar installation can lead me onto the Air to Air units that you guys have installed. But first ill hopefully get this running and send for my successful G99 or G99 fast ...