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05-11-2019 #1
Some advice wanted please.
Can modern VFD's generate 380v 3 phase from single phase 220v?
I'd assumed that they usually run at the same output voltage as the input so 220v 1ph in and 220v 3ph out, so to run a standard 3ph motor, you have to rewire it from delta to star.
I was looking at some of the VFD's on ebay and came across some that suggest they do some sort of voltage doubling to give 380v 3 phase ouput.
Are the specs bogus?
A 4kw VFD was priced at £170, so more expnsive than the 220v 1ph to 220v 3ph models.
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