![]() ![]() ![]() Usually it is the same or lower voltage out with respect to input voltage. Whether direc conversion from 220V single phas to 550V 3-phase could be available, I don't know, but I doubt is. The US / Canadian markets in this context is somewhat obscure to me, as a european, where most machinery is either 230V or 400V for heavier stuff. ![]() I also notice they are used more and more as 3 phase converters, where 3-phase is not available. In theory, they should give full torque at any speed, but guess that is a truth with some mod's to it, even if this is where they really excel. I do have some experience with VFDs, as I have used them for test rigs where we needed vairable speed. ![]()
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