Like to hear some ideas, if ya got em.
3phase 480v 200 hp well motor, operated via soft start controller. During the monthly back up genset test, when the transfer switch changes from generator back to utility, the motor shuts off. It then goes into a pre-set lock out, so that the motor shaft can "backspin"..with out damage.After 2 minutes, the motor starts again.
I've seen this happen on other back up systems, with big motors. The transition is "seamless" to computers and other machines, but with big motors they turn off and have to be reset.
Would changing the delay from genset to utility solve this?..or can it be?
HP
