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!
Results 11 to 14 of 14
Thread: Phase converters?
06-26-2008, 10:07 AM #11...from the Gadget Garage
Millermatic 210 w/3035, BWE
Handler 210 w/DP3035
Victor O/A "J" series, SuperRange
06-26-2008, 06:52 PM #12Senior Member
- Join Date
- Aug 2004
- Milan Michigan
I ran a phase converter in my shop for 9 years, I ran a big grinder off of it and a 2500 LB. drill press.
I built the converter from a 3 phase Y-wound motor. I paid $35.00 for the used motor and a little for the wiring and it worked great for a cheap price.
In my current shop I have a static phase converter which I am running a small drill.
Static converters run one machine while the Y- wound rotary converters will run multiple machines.
If your looking for cheap you can send me your fax# and Ill draw you a diagram as to how to do it.
The most user friendly is a static converter
06-30-2008, 05:22 AM #13Junior Member
- Join Date
- Jan 2006
07-05-2008, 06:06 PM #14
I'll third the VFD , I have one on my Rockwell vertical mill . A VFD will also give you variable speed which is really nice , sure beat's changing belts . You need to get one that is specific to the horsepower of your electric motor[search ebay].