Registered: Nov 2009
Location: New London, NC
Posts: 1562

If a electric motor is rated for 220/440 can it be wired for 220 only and not 3 phase ????

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Registered: Mar 2009
Location: convoy,ohio
Posts: 169

there should be a metal tag on motor,that will tell you your phase,and if it is a 3 phase then it will only work w/3 phase

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Registered: Jan 2010
Location: Walker, WV
Posts: 176

http://en.wikipedia.org/wiki/Three-phase_electric_power

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Registered: Nov 2009
Location: New London, NC
Posts: 1562

quote:

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Originally posted by morewastedwages
there should be a metal tag on motor,that will tell you your phase,and if it is a 3 phase then it will only work w/3 phase

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__________________
BACKWOOD'S SUPPLIES
Supplies for the Coon Hunter and his Hound.
BILL TIPTON
bwsupplies@aol.com
704-791-7751
36479 NC HWY 49
New London, NC, 28127
President of the SBA
Member of the BBOA & BBCHA
https://www.facebook.com/pages/Backwoods-Supplies/167389623298613

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Registered: Mar 2008
Location: Western N.Y.
Posts: 3995

A three phase motor can be run on 2 prase power with the use of a phase inverter, but they are expensive.

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Registered: Nov 2009
Location: New London, NC
Posts: 1562

My father-n-law has a industrial grinder and meat saw he was wanting to hook up on the back of the store. I was afraid it was only gonna be able to work on 3 phase but thought I would double check..
I think it would be best to sell them, both are in very good condition. I wonder what they would be worth... I'll have to check the names again, both came from the same manufacturer...

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BACKWOOD'S SUPPLIES
Supplies for the Coon Hunter and his Hound.
BILL TIPTON
bwsupplies@aol.com
704-791-7751
36479 NC HWY 49
New London, NC, 28127
President of the SBA
Member of the BBOA & BBCHA
https://www.facebook.com/pages/Backwoods-Supplies/167389623298613

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Registered: Apr 2007
Location: NW Iowa
Posts: 63

You can buy small freq drives that will run 3 phase motors on single phase. allen bradley makes them. i have seen off brand ones for under 200 bucks for small motors. how big is the motor.

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Jesse Steeg

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Registered: Nov 2009
Location: New London, NC
Posts: 1562

I'll look tomorrow and post the motor info...Its big, the grinder can make a ex wife vanish in the blink of a eye ..LOL !!!

__________________
BACKWOOD'S SUPPLIES
Supplies for the Coon Hunter and his Hound.
BILL TIPTON
bwsupplies@aol.com
704-791-7751
36479 NC HWY 49
New London, NC, 28127
President of the SBA
Member of the BBOA & BBCHA
https://www.facebook.com/pages/Backwoods-Supplies/167389623298613

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Registered: Apr 2007
Location: NW Iowa
Posts: 63

then its a no brainer it will pay for itself!

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Jesse Steeg

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Registered: Mar 2009
Location: convoy,ohio
Posts: 169

quote:

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Originally posted by BWSupplies
I'll look tomorrow and post the motor info...Its big, the grinder can make a ex wife vanish in the blink of a eye ..LOL !!!

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Registered: Feb 2004
Location: Saluda S.C.
Posts: 186

How does a VSD run a 3 phase motor on single phase? It seems to me that it would trip on Current Imbalance. The most economical way to go is just replace the motor with a single phase unit.

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