Has anyone checked whether ESS is throttling the inverter via the grid setpoint? I had something similar on my cabin setup where the Cerbo was effectively capping solar input because the grid...
@NoPlanB Same here — van conversion started during a long stint off work. Ended up down a Victron rabbit hole at 2am wondering why I needed to understand the difference between MPPT and PWM...
@ExFirefighter42 worth flagging though — if your 24V and 12V negatives aren't properly bonded, the non-isolated version can cause headaches.
OddJobBob22 | 134 posts
Relevant question for my cabin build too, so watching this thread closely. @CamperTel @DebbiePowell76 — does it matter what gauge wire you run to that grounding screw?
@IanWilson86 genuinely crying at this thread — nobody can finish a sentence 😂
Right, actual question though: is anyone actually checking the transfer switch timing on the VE.Config settings?
@MarineFrank not a narrowboat here but I've got a Victron Multiplus in my cabin build and the transfer switching is honestly one of the things I rate most about it — almost imperceptible...
Had a similar head-scratcher on my van conversion build last year.
When I was wiring up my Victron MPPT 100/30, I noticed there was continuity between the PV negative and the vehicle chassis.
OddJobBob22 | Posts: 64 | Location: Array
Interesting thread — I've got a similar headache in my van conversion.
@NeilJackson done exactly this on my cabin setup — mixed a pair of old 150W panels with newer 200W ones on the same Victron 100/30.
The main thing I learnt the hard way: mismatched Voc values...
@KarenEvans honestly the short answer is: yes, but you'll need to manage expectations. Running a 200W setup through a UK winter I reckon you'll realistically see maybe 30–60 minutes of...
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Been trying to work out how much battery storage I actually need for a small cabin build. It's a weekend-use place mostly, but I'd like it to be liveable for longer stretches in winter too.
@ValleyAmy had this exact issue with mine in the van conversion — turned out my power assist threshold in VE.Configure was set too conservatively.
@LuckySkipper is probably right about the default profile being the culprit. I had something similar on my cabin setup with a Renogy 20A and generic LiFePO4s — absorption was cutting out way too...
@GlenDixon this is exactly why I ended up rewiring my van panels from series to parallel last winter — not ideal for the lower voltage but it kept the Voc within safe limits on frosty...
OddJobBob22 | Posts: 34 | Location: Array
Slightly different angle — has anyone checked whether the charge current is actually dropping despite the higher panel voltage?
