Static Phase Convertor on Grinder

if you don't want to build one, a co in florida builds one that is good for anything up

to 7 1/2 hp and can be paralleled with more units

for more hp . i have 3 units in parallel to run

machine shop , lathes, mills,horizontal boring

mill, bridge cranes, large horiz press. have been using that set up for 25 years, it works.

one lathe has 7 1/2 hp, one has 5 hp,little

one is 1 hp, boring mill is 7 1/2 hp,cylindrical

grinder has 5 hp + all the little motors on it

spindle, hyd pump, coolant pump.

the company is --reliance research &

manufacturing co Phone # 407-862-3038

1024 Ashworth Cove, Altamonte Springs,

florida 32714

any questions , email me, i'm in md

If you've seen "slow and Hum alot" you've seen a motor using too much current and getting hot, not unusual for static convertors. Make your own best guess about life span. I've been running a rotary for 20 years. No problem, and cheap.