I have a few years under my belt in industrial electrical work, too, and I've always thought that a rotary converter was more efficient, as it delivers a waveshape closer to 3-phase due to the generator effect of the idle motor.
I'd appreciate it if you would elucidate me on the engineering, as I have apparently been misguided for a long time!
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Thread: Phase converters?
06-26-2008, 10:07 AM #12...from the Gadget Garage
Millermatic 210 w/3035, BWE
Handler 210 w/DP3035
Victor O/A "J" series, SuperRange