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Re: Fiero GE Series Motor Cabling

by evdesigner :: Rate this Message:

When I worked at GE-EVS from 1993 to 1996, we donated many
5BT1346B50 series motors to colleges and high schools for EV
competitions/EV programs. It had the same name-plate data,
here's some curves and a diagram;
http://www.evalbum.com/tech/ge2.gif
http://www.evalbum.com/tech/ge3.gif
http://www.evalbum.com/tech/ge1.gif
The lower voltage sepex motors were the same as the series motors
except the field was wound with smaller wire, but effectively had
the same amp*turns (this is what produces torque. I.E. you could have
10 turns of 4 GA copper on a series motor, or 100 turns of 14 GA on the sepex. To produce the same amount of torque you would run 100 amps on the series winding or 10 amps on the sepex winding, while 100amps goes through the armature).
The higher voltage sepex motors had interpoles, like the
motor used in the TEVAN;
http://picasaweb.google.com/rodnhower/TEVan#

--- On Fri, 12/5/08, Zeke Yewdall <zyewdall@...> wrote:

> From: Zeke Yewdall <zyewdall@...>
> Subject: Re: [EVDL] Fiero GE Series Motor Cabling
> To: "Electric Vehicle Discussion List" <ev@...>
> Date: Friday, December 5, 2008, 6:58 AM
> Looks like it's a series motor rated for 23HP for one
> hour, 99.4 volts, 201
> amps, 3285rpm. 140C rated insulation. Maybe a 12"
> motor from the GE 12?
> I'm not sure of what the difference between the series
> and sepex motors is,
> other than the obvious one of one being series and one
> being sepex.... Mine
> is a 13" GE Sepex motor, but I've never seen a GE
> series motor to compare it
> to.
>
> Z
>
> On Thu, Dec 4, 2008 at 9:16 PM, Peter Eckhoff
> <peckhoff@...> wrote:
>
> > Hello EVDL,
> >
> > We are recabling a Fiero and we want to do it right.
> >
> > What is the proper motor cabling sequence for a Fiero
> with a GE Series
> > motor and a Curtis controller (e.g. B+ on Curtis to A1
> on motor, A2 on
> > Motor to S? on motor, etc.)?
> >
> > The plate markings on the GE Motor are not clear but
> they appear to be:
> >
> > GE 12
> > Mod No. 5BT1346B51 HP 23
> > Series V 99.4 A(?) 201
> > No. 198-644-18 RPM 3285 Ingl(?) BV
> > Duty 1 hr 140c(?) ? File ? ?
> >
> > Any help on interpreting the plate numbers would be
> appreciated.
> >
> > What is the difference between a GE Series motor and a
> GE Sepex motor?
> >
> > Peter
> >
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