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north central Ohio | shouldn’t be much difference. For example a 10hp single phase is around 40amp on 240v per leg (80amp total) and a 10hp three phase is around 25amps on 240 per leg (75amp total). However with a rotary phase converter the converter (idler motor) uses a certian amount of current to generate the third leg so not 100% efficienct. Biggest advantage to three phase even with a converter is running large motors, much cheaper motors to buy at any size, and no capacitors to deal with on three phase motors. On my 60hp converters with no load they use about 18 amps per single phase leg.
Edited by pigfarmer82 2/14/2019 05:26
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phase converter
