[SEL] Generator hookup

Richard Strobel Richard_Strobel7 at msn.com
Tue May 10 15:39:00 PDT 2005


Thank you Peter, I will look for any evidence of a missing 4 brush set on 
the bottom...plus these brushes don't have any braided wire hooked into 
them..huh

Rick


----- Original Message ----- 
From: "Listerdiesel" <listerdiesel at gmail.com>
To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
Sent: Tuesday, May 10, 2005 3:25 PM
Subject: Re: [SEL] Generator hookup


> On 5/10/05, Richard Strobel <Richard_Strobel7 at msn.com> wrote:
> >  Howdy all with Elden on the side.
> >
> >    Need some help getting this ole girl excited :-)
> >
> >   Generator rated at 250 VDC @ 16 amps.
> >
> >   If you can't read the legend on the pix. it's as follows:
> >
> >   A is connected to the 4 brushes
> >
> >   B is connected to one of the field coil winding
> >
> >   C looks like it's connected to the other winding in the field coil.
> >
> >   Pix at:
> >
> > http://community.webshots.com/photo/291395326/342708600ebaRxX
> >
> >  Tanks much!!
> >
> >  RickinMt.
>
> Looks a bit odd!
>
> The four brushes should be equally spaced around the commutator, or
> you have four missing from the bottom positions.
>
> One set of brushes would be positive and the opposite set would be
> negative, BUT it isn't as simple as that, as you have to have opposite
> brushes with opposite polarities, UNLESS you have a complex wave-wound
> rotor, which I doubt. It's an 8-pole machine, so I think there is more
> to it than meets they eye.
>
> The output from the brushes is fed into the field coils via the
> regulating resistor or hand control. So, you have to sort out first
> what other brushes should be present.
>
> I feel that there are parts missing here, so be careful what you are
> doing with it until it is established how it SHOULD be connected.
>
> Peter
> -- 
> Peter A Forbes
> Email: listerdiesel at gmail.com
> Web: www.oldengine.org/members/diesel
>
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