This motor has a terrible, high-pitched whine when energized, and I'm trying to figure out the cause and eliminate it, if possible.
Manufactured by Diehl
Rewound for only 220v previous to my acquisition
Nameplate info (220v): 2 HP, SF 1.15, RPM 860, FLA 7.8, 3 phase
It will be driven by a VFD...