PVorBust's latest activity

edit: you were already doing what I suggested

Here in Brazil we have 220v 3ph and 380v 3ph systems. The 380v have a much wider PV limit and requires a larger number of panels, so we...

Thanks - that would be difficult to setup here as 220V 3ph doesn't exist (we use 415V 3ph), so pumps are not available.

@kommando , apart from an academic interest, design vs manufacturing issue, I don't really care - it should not have failed. @gfjardim...

update. The pump comes with a 2 year warranty and as it was 25 months, the best I could do was a bit of a discount on a new controller...

Which proves the seal is good.

There’s a good chance that the O rings are silicone and perhaps even the cable seals. If that’s the case, silicone containing greases...

Lovely machine, a "proper" motorcycle! I had a Matchless 250 single in the late 70s, performance was negligible but "a power stroke...

This was discussed recently...

Many people believe that a single shaded panel in a series string will 'kill the string' and stop it making power... However that really...

This is the one I have.

Following their own test procedures, it's the FETs that are blown. The two big electrolytics are across the supply, so don't work hard...

That's a good price - wish I could get them for that price.

Thanks for the reply. Normally these pumps ship with a 2m power cable, but I got this one built with full length cable so there was no...

I put in a bore a couple of years ago with a chinese bore pump (nominally 72V, 750W, 5m3/h) It worked well for two years and then the...