I have a 10 hp motor and when I turn it on it just growls and won't turn. I have a 3 phase converter. I measure the voltage on line 1 to line 2 @ 260V. Line 1 to line 3 @ 245V and line 2 to line 3 @ 251. When I measure each line to ground I get line 1 @ 124, line 2 @ 225 and line 3 @ 124. The...