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Old August 21st, 2009, 10:31 PM   #1
Kodiak450r
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Default alternator into generator?

i've heard there is a wiring diagram out there for the conversion of a GM delco alternator into a A/c generator? anyone know how this is done? i looked and looked with no results. i have a alternator from a 87 suburban i'd like to try this with.
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Old August 23rd, 2009, 12:23 AM   #2
Yota Bill
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an alternator puts out A/C anyway, and then its converted to D/C...so theroetically, removing the diodes will give you the A/C output...unfortunatley, a 12 V D/C alt only puts out something like 75 V A/C (tried it once, dont remember the exact voltage, but it was a bit low anyway)...not sure yet what a 24V alt puts out without the diodes...second problem is the phaseing, the alt will need a bit of rewiring to convert it to single phase, and then the engine will have to be run at a certain RPM when using it...you would probably also have to mount a clutch from an air conditioning compressor onto it, or some other way to keep it from turning when not in use.
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Old August 23rd, 2009, 11:04 AM   #3
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well i've found some articles that say that it's possible to make an alternator into a portable welder and you can produce 110 DC volts. apparently you can run some power tools from 110 dc volts. heres a few articles i've found. http://www.4crawler.com/4x4/CheapTri...er/index.shtml
http://home.comcast.net/~t.molnar/Obwelder1.htm
http://www.geocities.com/damonfg/obweld.html
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Old August 23rd, 2009, 11:06 AM   #4
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DIY: OnBoard Welder (OBW) - Great Lakes 4x4. The largest offroad forum in the Midwest
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Old August 24th, 2009, 05:25 PM   #5
BigBlkYJ 355
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What would u want to do this for? My guess would be that the amperage would not be very good coming out of it at 120 volts. I bought one of those cheapo china gens for $100 and it will power 1200 watts without much trouble. If i'm thinking of it right a 60 amp alternator at 12 volts would only be 6 amps at 120.
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