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Generators & Electric Motors General Discussion Antique Generators and Old Electric Motors: Questions and answers about restoring and showing old power generation systems.

Generators & Electric Motors General Discussion

25 HP Induction motor


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  #1  
Old 11-21-2014, 02:50:06 PM
JIMnWV JIMnWV is offline
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Default 25 HP Induction motor

Was searching some of the older threads but still like a baby in a topless bar....confused. Just removed this motor from its original mounting plate and was just curious if it could be used for anything through a conversion or just as is? Motor was still running fine until this morning when they pulled its plug.
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Old 11-21-2014, 03:21:17 PM
JIMnWV JIMnWV is offline
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Default Re: 25 HP Induction motor

Picture of the motor itself
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Old 11-21-2014, 03:29:09 PM
grif grif is offline
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Default Re: 25 HP Induction motor

Heck of a 3phase converter idler.
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Old 11-21-2014, 06:13:04 PM
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John Newman, Jr. John Newman, Jr. is offline
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Default Re: 25 HP Induction motor

568 Ft.Lbs of torque at 575 RPM!
Bet you could move a railroad bridge with something like that. Oh wait - It did. Pretty impressive for an 88 year old motor.
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Old 11-21-2014, 09:31:54 PM
Joseph Joseph is offline
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Default Re: 25 HP Induction motor

Quote:
Originally Posted by JIMnWV View Post
Was searching some of the older threads but still like a baby in a topless bar....confused. Just removed this motor from its original mounting plate and was just curious if it could be used for anything through a conversion or just as is? Motor was still running fine until this morning when they pulled its plug.
you could use it to built a phase converter or an induction generator
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Old 11-21-2014, 10:46:51 PM
steve mallette steve mallette is offline
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Default Re: 25 HP Induction motor

If one had enough power...
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Old 11-21-2014, 11:30:32 PM
Ed Sparks Ed Sparks is offline
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Default Re: 25 HP Induction motor

make a great mooring for a pretty large boat.
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Old 11-22-2014, 12:11:35 AM
Railroads Railroads is offline
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Default Re: 25 HP Induction motor

I would look into doing a diesel powered induction generator. Should put out a pretty good wattage.

Now only if I was lucky enough to find something like that!

Robert
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Old 11-22-2014, 02:32:30 AM
armandh armandh is offline
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Default Re: 25 HP Induction motor

if it is a variable speed it may be an unusual variety noted for full torque at low speed and they are reversing.

if it is fed AC power on the slip-rings and has a commutator with movable brushes that feed the stator it may be one of these "Schrage motors"

https://www.google.com/#sugexp=ernk_...w=1275&bih=708

if so it may not be useful as a traditional generator, but possibly an induction generator. [3 pole no 6 pole yes]
by setting the brushes to a speed [at 60 HZ] that is lower than the turning power by an amount greater than the induction slip.

Last edited by armandh; 11-22-2014 at 04:26:00 PM.
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Old 11-22-2014, 08:30:47 AM
JIMnWV JIMnWV is offline
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Default Re: 25 HP Induction motor

Quote:
Originally Posted by armandh View Post
if it is a variable speed it may be an unusual variety noted for full torque at low speed and they are reversing.

if it is fed AC power on the slip-rings and has a commutator with movable brushes that feed the stator it may be one of these "Schrage motors"

https://www.google.com/#sugexp=ernk_...w=1275&bih=708

if so it will not be useful as a traditional generator, but possibly an induction generator.
by setting the brushes to a speed [at 60 HZ] that is lower than the turning power by an amount greater than the induction slip.
Yes sir it is reversing and also variable speed. Not sure what is going to happen to it in the near future, not sure how our contract reads but normally we are to dispose of them. I personally would like to see it live on, I'm certain I heard one of the men say it was installed in 1929. This is a pic of the control for it that is now being used on a motor that was forgotten.... How do you do that? I guess because it was under a cobweb / dust covered bench. Appreciate everyone's knowledge of this.
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