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Forum Index : Electronics : Inverter building using Wiseguys Power board and the Nano drive board
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KeepIS Guru  Joined: 13/10/2014 Location: AustraliaPosts: 2282 |
Hi, it certainly sounds like they only want 1oz, I'm glad I got enough boards for my friend's build and my spares and one full backup Inverter as well, to be sure to be sure! I'm going to use quality 3.3mm diameter copper with around 200° rating, in reality the only way to get smaller amounts is to find a motor winder or business with a partial drum to sell, or just bite the bullet and purchases a full drum. As I'm helping a friend build three of your dual Inverter design, we have decided get a full drum  and I doubt the cost will go down in the near future, it my even become almost impossible to get. BTW, both of us are trying to stretch our budgets (who isn't these days?) and prices are going crazy (for everything)  Mike, would believe that I'm still working on finishing touches to the extension! I was up on the roof of the big shed and carport yesterday, cleaned all the solar panels, roof, gutters, and the flush diverters for the W-tanks etc. I think I'm getting to old for all of this  NANO:Inverter V 8.4ks - Linux AvrDude GUI script V4.1 |
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| nickskethisniks Guru Joined: 17/10/2017 Location: BelgiumPosts: 498 |
Yup crazy, last week I bit the bullet and ordered some extra pcb's. So if someone in Europe want's an extra board you can contact me. Components are getting expensive, I'm allways buying in bulk but that adds up verry quickly, capacitors at 4-5€ pcs after the the discount you get with buying 50pcs. 7-8y ago I had to buy a whole spool of 42.8kg 3.55mm enamelled wire, 562€, declaring myself crazy doing this. Now I think it was a good investment. 😁 I'm not looking forward to wind a new transformer though, but potted cores enough to dismantle first. 🙃 One moment I was really thinking about just buying some blue rubish, I would have had a nice system looking at all my investments, but then I came to senses real quick. Nothing is more fun then building and creating things yourself.  |
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| KeepIS Guru Joined: 13/10/2014 Location: AustraliaPosts: 2282 |
Yes, and it's very satisfying especially building for off grid, and especially when the overall system turns out to be better than a commercial off grid system, and you can "EASILY" fix it if needed. I would feel feel "extremely vulnerable" with good verified reasons, if relying on a commercial system. Like you, I purchase parts in bulk in case the supply lines start to fail or become unaffordable, both are looming IMHO. That was definitely the right thing to do getting that big reel of copper cable. FYI: Received a phone call yesterday evening from a forgetful family member living a few km away, asking if we has also lost power, I reminded them that I would't know as I'm not connected to the mains, I had to look outside - and sure enough, total blackness. With all the solar battery uptake over the past two years (big rebates), I thought I'd look out and see at least a couple of homes with the lights on, nope, nothing but total blackness as far as the eye could see, quite eerie looking out and seeing nothing but your own yard, feels like yours is the only home for miles, or everyone suddenly disappeared. Apparently power has been going off randomly for a few minutes at a time over the past few months, last night it was off for around 7 hours, so I'm told, started right when most people were about to make the evening meal. Looks like we are in for at least 5 days straight with no Sun and dark very overcast weather, we need rain desperately here, but it looks like a few sprinkles is all we will get out of it  Test end caps on one end - final units will have a chamfer and be locked in place with epoxy.  : Edited 2026-10-15 15:39 by KeepIS NANO:Inverter V 8.4ks - Linux AvrDude GUI script V4.1 |
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