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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Stupid DC motor control question
I have this perfect Bodine 130v DC gearmotor, except that it's blue,
courtesy of Gunner, for a project. (SEE: one-way clutch) I just got a Dart Controls control for it on eBay for $26. It puts out 90 or 180 volts with a 115-230 vac input. Stupid question: (Children should leave the room) Can I use 2 legs of my 3-phase to power it? |
#2
Posted to rec.crafts.metalworking
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Stupid DC motor control question
In article , "Tom
Gardner" says... I have this perfect Bodine 130v DC gearmotor, except that it's blue, courtesy of Gunner, for a project. (SEE: one-way clutch) I just got a Dart Controls control for it on eBay for $26. It puts out 90 or 180 volts with a 115-230 vac input. Stupid question: (Children should leave the room) Can I use 2 legs of my 3-phase to power it? Yes, assuming you're talking about 240V 3 phase, but the controller will exceed the motor's nameplate at top speed. The control may have a high speed limit adjustment that will take care of that. The 130VDC motors that Bodine builds are unusual. If you use a typical controller powered by 120VAC the motor won't reach full nameplate speed. Bodine makes controllers with filtered outputs that will drive their motors to full speed. Ned Simmons |
#3
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Stupid DC motor control question
"Ned Simmons" wrote in message ... In article , "Tom Gardner" says... I have this perfect Bodine 130v DC gearmotor, except that it's blue, courtesy of Gunner, for a project. (SEE: one-way clutch) I just got a Dart Controls control for it on eBay for $26. It puts out 90 or 180 volts with a 115-230 vac input. Stupid question: (Children should leave the room) Can I use 2 legs of my 3-phase to power it? Yes, assuming you're talking about 240V 3 phase, but the controller will exceed the motor's nameplate at top speed. The control may have a high speed limit adjustment that will take care of that. The 130VDC motors that Bodine builds are unusual. If you use a typical controller powered by 120VAC the motor won't reach full nameplate speed. Bodine makes controllers with filtered outputs that will drive their motors to full speed. Ned Simmons Wow, I thought for sure I was going to get lambasted. I don't need the top speed of 38 rpm, I want about half that. Now I can just tuck the controller in the spacious 3-phase box. |
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