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Help identifying Allis-Chalmers generator

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schadjo View Drop Down
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Joined: 16 Nov 2018
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Post Options Post Options   Thanks (0) Thanks(0)   Quote schadjo Quote  Post ReplyReply Direct Link To This Post Topic: Help identifying Allis-Chalmers generator
    Posted: 16 Nov 2018 at 3:50pm
Hi, I'm trying to identify an old Allis-Chalmers generator and find a manual for it. Ultimately I'd like to know its field inductance, but any docs are welcome. The nameplate is attached:

40 kW, 0.8 PF
1200 rpm
60 Hz
240-480 Vac
125 V, 8.6 A field
s/n: 24584K-820EW-5-2 (or possibly 24584K-820KW-5-2)

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Mikez View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mikez Quote  Post ReplyReply Direct Link To This Post Posted: 16 Nov 2018 at 3:52pm
Do you have picture of the whole gen
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DMiller View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 16 Nov 2018 at 4:10pm
Yeah, not much info to base a ID on from the tag. 40kW is about all I can note at 120/240/480v 3 phase
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schadjo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote schadjo Quote  Post ReplyReply Direct Link To This Post Posted: 16 Nov 2018 at 4:14pm
I'll get more pics. Stay tuned.
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chaskaduo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote chaskaduo Quote  Post ReplyReply Direct Link To This Post Posted: 16 Nov 2018 at 5:06pm
I found  Allis Chalmers Motors and Generator Reference Book
 
 
 


Edited by chaskaduo - 16 Nov 2018 at 5:09pm
1938 B, 79 Dynamark 11/36 6spd, 95 Weed-Eater 16hp, 2010 Bolens 14hp
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schadjo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote schadjo Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2018 at 7:59am
Long shot of the generator

End bell DC generator nameplate
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DMiller View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2018 at 10:00am
Seeing as is a Motor Generator set I am suspecting this is an old Elevator or Personal Conveyance drive like escalator or such. Many times to get a smoother circuit supply voltage the companies that supplied those items would set up Motor Generators to provide a better supply.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote michale34 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2018 at 10:20am
I worked at a small sawmill one time that had a few setups like this. The answer i got was the mill wasent wired up for 3 phase and didnt want to spend the money so they put the motor drive generator to run on single phase and out put 3 phase. On the few pieces of equipment he had. Dont know the truth to it but thats what i was told.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 23 Nov 2018 at 6:21am
Being as CIA documents on this I would suspect some sort of conveyance drive more than machinery supply.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote michale34 Quote  Post ReplyReply Direct Link To This Post Posted: 23 Nov 2018 at 1:31pm
Its strange how the world works . I posted on the sawmill monday am and it wasent 15 min later my wife calls and tells me that the guy I worked with at the sawmill we did the work on was electrocuted and killed .
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