< Oh, they don't have *any* series field? That would be interesting
if the field diode blew up.
>
I've only seen that happen once.WITH the mower deck on it
would lift the front wheels off the ground two feet once the speed
built up. Like waiting for a turbocharger to build boost. The current
draw was astronomical. <G>
The owner's complaint was poor range and he could only use it
in Low.Reverse was too dangerous. When it would back up.And he did
smoke the armature.That was rewound by an employee of a locomotive shop
in Johnstown PA that specialized in GE engines, so it was at least in
the family. :)
RJ
Christopher Zach wrote:
RJ
Kanary wrote:
I don't think that's the case.It is a shunt wound motor.Note
the two field leads in the four position connector that also contains
leads for the Klixon® limiter in the field windings.
What IS unique about these motors is the lack of a series field, such
as found in the E-15 and E-20 traction motors.
Oh, they don't have *any* series field? That would be interesting if
the field diode blew up.
Just to be clear, the E20 is a shunt motor, however it does have a
small field wound in series with the motor as well. The advantage to
this is when the motor is loaded heavily the series field will add to
the main field and limit the mac current on the armature. The
disadvantage is if you're pulling something in reverse the field
weakens the main field.
Which is why the E20 goes faster in R
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