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My understanding is that grid interconnection requires 600V class rating.Powerwall is probably CAT III (fixed installation), in which which case 2.5kV?
View attachment 1009457
I don't understand the question you're asking.The plane of the PCB is vertical?
UL 1741(25.4)(b) states that a grid-connected inverter shall comply with the requirements for Overvoltage Category IVWhy 6kV?
UL 1741(24.1.1#7) mandates this minimum spacing.What code requirement is 0.8mm based on?
I did not mean to remove the whole tab, just Dremel it into a rectangle shape from present curved inner side of tab?No, a new bracket is required. Without that tab (e.g. if you remove it with a Dremel), the 16 pound PCB assembly could flex during transit, which is never good for electronics.
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Yes, an end user could theoretically remove a small portion of the tab to increase clearance. However, that's not something I'm proposing, as the Tesla Powerwall isn't designed for user accessibility/serviceability. Replacing the bracket is going to be difficult even for Tesla, as it requires:I did not mean to remove the whole tab, just Dremel it into a rectangle shape from present curved inner side of tab?
You are absolutely correct.I suspect Tesla simply doesn't perform service on PW units (i.e. they recycle failed units).
I'm pretty sure I have seen people report that they received a refurbished Powerwall when their unit failed. So I don't think they just recycle them. But they don't service them on-site.I suspect Tesla simply doesn't perform service on PW units (i.e. they recycle failed units).
Unless I'm reading that table incorrectly, doesn't that mean you should use 4kV instead of 6kV?UL 1741(25.4)(b) states that a grid-connected inverter shall comply with the requirements for Overvoltage Category IV
I can’t find something within the first 5pages of google for:I'm pretty sure I have seen people report that they received a refurbished Powerwall when their unit failed. So I don't think they just recycle them. But they don't service them on-site.
I can’t find something within the first 5pages of google for:
“Refurbished powerwall”
“refurbished powerwall for sale”
I say five pages because maaaaannnn the amount of sponsored ads per page is WILD.
So I mentioned this briefly in another thread, but on install day, as soon as my powerwalls were turned on, we noticed that one of them was making a weird noise. It sounded almost, but not quite like something was hitting a fan blade as it spun. The installer created a support ticket for it. They came out this afternoon with a whole new powerwall and replaced the one that was making noise. As they were installing it I noticed that the original powerwall had a black sticker with the specs and serial number and such and the replacement one had a white sticker. I didn’t think too much of it at the time, but I got curious this evening so I took a closer look at the stickers and I realized that the one they just installed today says that it is a remanufactured unit.
Not that I see a lot of them failed.Entire Powerwall was replaced. In fact, the engineer told me that, being an RMA, it is actually being replaced by a refurbished unit.
Nice. Good shidd. Google search because typically it indexes TMC rather well and tmc on mobile is a pain at times.Looking for them for sale? Most people sell them as part of the house rather than remove them and try to sell them...
Why would you search Google instead of TMC?
Just a minute searching here:
Not that I see a lot of them failed.
Hi @mudder thanks again for the investigation and wondering if you've heard back from Tesla or Intertek?Yes, that's my video.