On 12/31/2017 06:45 PM, John Figie wrote:
I have a 5 hp 240V 3 phase induction motor that is for a lathe spindle. I
only have single phase 240V power. It seems that most 5 hp vfds do not
allow single phase input. I found this: http://www.gohz.com/5hp-vfd
Does anyone have experience with GOHZ or other affordable 5 hp drives that
will run on single phase?
Many "3-phase only" VFDs will run off single-phase power.
It is best to derate the HP, so maybe use a 7.5 - 10 HP
VFD for a 5 HP motor. I am using two 3-phase only VFDs here
in my shop on 240 V single-phase power, and have been doing
so for many years. (But, there are a few units that will
detect the missing phase.)
Jon
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