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Hello everyone, I'm currently working on a project to upgrade an existing renewable energy system and could really use some expert advice. The goal is to maximize self-consumption and minimize grid dependency while incorporating new components. Current System: Wind Turbine: 5KW grid-tied...

This chap is having fun with these!

Hmmm, how long will this element last I wonder...

Thanks for sharing! I've been immersing myself in this and other pv forums whilst looking at putting together an off-grid system. Veering towards a NIFE battery bank (enjoyed @bbobkins posts on the subject) - outline and discussion of my current musings are here -...

Shall do! Here's a link to the 12v PTC elements I've been hooking directly to a panel - waiting on this controller to see how much of a difference it will make.

Is that the video on Insulated Solar Electric Cooking? I'll not be replicating that exactly, I was thinking more along the lines of having 3-6kW array dumping straight into a purpose built oven.

Been playing about with PTC heaters which are very interesting. Have a few small 12v ones that can reach around 260c which might be useful for a heat-store type oven. There are a few immersion PTC elements like this one - https://www.geyserwise.com/products/elements/3000-w-ptc-ac-element/ They...

Thanks for your interest! I'm gradually getting a few bits and pieces, developing the idea at a small scale. I'm certain it wouldn't be as efficient as using and focusing solar energy directly, but I don't see traditional solar ovens as a practical option here. Plenty of cloud, you're right...

Long time lurker... I've been mulling over an off-grid DC system for a while. We'll be starting a self-build in the Outer Hebrides - long sunny days over the summer, not much to speak of in the winter. Huge swings in PV generation as outlined here. I am considering a rooftop array of around...

Hi Martin and all, another newbie here too! Discovered this thread whilst looking into PTC elements. Bought a couple of bits I'm waiting on in the post to do some experiments with. How are you getting on with things Martin? I'd be interested to hear of how the element worked connected direct...