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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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gwm rotary ph conv ?
i am hooking up a G W M rotary phase converter, and i am having a problem
understanding the wiring diagram. it looks like you have to splice into( 1) 220 wire and connect it to L 1 in the convertor , and do the same with the other wire and hook to L2 . then run a 3rd leg from T3 out to the machine with the other 2 original wires . does this sound right thanks walter |
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gwm rotary ph conv ?
In article ,
WGalcik wrote: i am hooking up a G W M rotary phase converter, and i am having a problem understanding the wiring diagram. it looks like you have to splice into( 1) 220 wire and connect it to L 1 in the convertor , and do the same with the other wire and hook to L2 . then run a 3rd leg from T3 out to the machine with the other 2 original wires . does this sound right Yes -- other than lacking a visible means to start the motor which serves as an idler. (There may be a way buried in there which you can't see, which connects between one of the input lines and the third line -- sometimes just a passive capacitance, and sometimes with a voltage-sensing relay to disconnect start capacitors once it is up to speed.) Ideally -- there should also be capacitors to balance the voltages and currents, but you can usually do without those, at the cost of more (reactive) current -- it won't spin your power meter any faster, but it might trip circuit breakers more often than you would like. Good Luck, DoN. -- Email: | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
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