We've got a conveyor that we're upgrading from 1 x 350HP motor to 2 x 250 HP Motors. Both motors will run from a single starter with individual overload protection.
The problem is that the motors are not identical; close but not exact. They are both Tatungs and 2300V 250HP but one is 1775 RPM...
I'm trying to hook up a 600V, 200HP 3 phase squirrel cage motor. It had six leads with no identification tags. It's 4 pole at 60 Hz. It drives a fan so reverse rotation for a short time is not a problem.
I can identify the individual winding pairs. We're using it in Delta with across the line...