Article View: sci.electronics
Article #8661Electric motor connections
From: Steve Sutphen
Date: Sun, 02 Dec 1990 22:09
Date: Sun, 02 Dec 1990 22:09
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2252 bytes
Is there a standard for electric motor connections? I have a 1HP
syncronous A/C motor (GE 5KC47PG1207EX) that I retrieved from an
old disk drive. I would like to turn this into the drive motor for
my table saw, but I do not have any wiring diagrams for it (it does say
that it requires 187-253V at 9.0A). The problem is that the way it was
hooked up used more than 3 wires (it is a single phase motor so I would
expect 2 current carrying wires and a safety ground). There are 5 wires
(plus safety ground) comming into the motor. I traced out where all the
wires went, but that didn't help much as 3 went to the field windings, one
went directly to the motor start capacitors (two in series). Here is a
schematic of what I have reverse engineered so far.
4-------------------------------------- to field winding `A'
V--------||---||-------->|
|
|
2_________________H______|------------- to field winding `A'
3-------------------------------------- to field winding `B'
1-------------------------------------- to field winding `B'
The numbers are the Faston terminal numbers, the `V' is a violet wire that
goes to the motor start caps, the `->|' is the contact that opens when
the motor is up to speed, and the `H' is the thermal protection. There is
a sticker on the motor indicating that it is wired for CW and low voltage.
What I would like to do is figure out how to wire this up for 220 (or is
it 208V). I may need to change the rotation direction too (actually I
have another motor that runs off of 110V that I would like to change the
direction on if anyone knows how).
Any help would be appreciated.
steve@cs.ualberta.ca
Technical Details
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<1990Dec2.220920.14435@cs.UAlberta.CA>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!van-bc!ubc-cs!alberta!steveShow Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!van-bc!ubc-cs!alberta!steve From: steve@cs.UAlberta.CA (Steve Sutphen) Newsgroups: sci.electronics,rec.woodworking Subject: Electric motor connections Keywords: standard GE motor Message-ID: <1990Dec2.220920.14435@cs.UAlberta.CA> Date: 2 Dec 90 22:09:20 GMT Sender: news@cs.UAlberta.CA (News Administrator) Followup-To: poster Organization: University of Alberta, Edmonton, Alberta, Canada Lines: 36