Which Aero sharp.... the 1.5kw are a bit small to wind easily... the 3kw would be big enough to work with nicely..... and in some cases you will only have to unwind the outer layers, and a 240v layer is already there for at least 3kw continuous, or 10 kw surges..
If you wind your transformer... reuse the old wire.... do not use pvc wire for the secondary, only the 30mmsq wire for the primary can be plastic.
Yes it will blow the victron away, and will start anything you have in your house..... the victron is a toy only, not a real home inverter.
The transformer is important to get right for maximum power transfer..... read the article on transformer rewind, until you are sure you have it correct.
If you have a 1.5kw, try to get a second one, so you can join two transformers, take some of the core out from the center, and make a decent hole size to work with. I just did one like that for a 4kw unit... I made the center hole 100mm in size, and boy does that make winding a breeze... but it reduced a single core from .9v/turn to .7v/turn... then x2 = 1.4v/turn, but with the big hole.... who cares, it is so easy to wind.
Pics later today if I get time.
Antman, ran it for while last night 2.5kw for 20 mins everything stayed below 25c.. it was 20c in the shed, no cooling. Used half a heatsink only.
Impressed at how well it ran, will give it a better test today.... don't like burning up 2-3kw at night for nothing... better when the sun is out and driving the bank with 5-6kw of input, can test for hours on end with the battery not seeing it.... we'll see how it handles it.... I did notice that the fets were cold, but the 25mmx3mm x 150mm long buss bars got luke warm.....came out of a curtis power controller rated at 300 amps.... very surprising, thought that bit would remain stone cold.... but no.
...............oztules