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Old 02-28-2011, 03:13 PM   #1
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Need a single phase 220v transformer

I have a grain mill with a 220v single phase motor. I'd like to use this in the USA where the standard voltage is 110v or 240v split phase. Since I need a 220v primary line, a neutral and ground (3 wire), what type of transformers I should be looking for. I bought a heavy duty transformer online but soon found out that that darn thing gives out only split phase 220v (i.e., two hot 110V). Thanks in advance.


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Old 02-28-2011, 03:17 PM   #2
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the numbers 220 230 and 240 are all used interchangeably to refer to the same voltage. no transformer needed. split phase and single phase are the ~same thing


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Old 02-28-2011, 05:06 PM   #3
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In the US, you would use the 2 hot legs and not the neutral and then the ground to get 240 single phase (used to be 220 years ago).

We toss in a center tap to get out 120 volt supply.
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