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Other than sourcing a 240v/50a UPS, what should I be doing if I'm using my CNC in an environment prone to power flickers?  We had a short outage this morning due to high winds, and often have sub-second "flickers", and I'm worried about running long jobs.
Note: my system was built with forum advice, where a 24v power supply feeds contactors for the motor and spindle power, with estops on the positive side and software-controlled relays on the negative side.  I don't know how long each of the supplies will last without power, but I assume that no matter what the specific value is, eventually there will be outages both shorter than and longer than that
I do have a UPS on the PC running linuxcnc, but not on the power that runs the Mesa 7i76E board.  I figure worst case, the PC will stop and tell me the line number it was on before all hell broke loose

So is there anything I can do or change to make dealing with such power flickers/outages less stressful?

(more info: the motors are servos but the drivers are step/dir, and the spindle has its own vfd.  The setup has a single power cord with internal breakers for each power supply)