jraef: We've only got about 20-25 seconds while the motor is ramping up to speed, but the apparent imbbalance is there at that time too. We can, and have, switched the plugs on the control module to see if we can make the problem rotate phases - which it did. We did this at the request of...
We recently installed a new 845HP air compressor and are using a 1000HP SMC-Flex to start the motor. Under load the compressor will load the motor to a maximum of about 108% of the nameplate FLA of 900 amps. Apparently it's common practice for air compressor manufacturers to run the motors...
