Size the drive for real conditions, not the nameplate, using the ORCA-Size method and worked derating math.
Install and commission it right the first time, with checklists built to use at the panel, not read at a desk.
Read the first faults for what they really mean, and stop resetting drives that are telling you about the install.
Free VFD Mentor Commissioning App
The commissioning checklists from Before the First Fault, on your phone. Work each phase at the panel, attach photo evidence as you go, and print phase or full commissioning reports when you’re done. Free. Runs in your browser, so there’s nothing to install. Use it now with no sign-up at waywardleaders.com/app
Carl Lee Tolbert, PhD, CMRP
Carl Lee Tolbert is a field engineer and educator who has spent 30 years keeping industrial equipment running, with a focus on variable frequency drives, motor diagnostics, and reliability. He has commissioned more than 750 drive systems in plants across the country, and he learned most of what he knows the hard way, standing in front of a machine that was not supposed to fail. He is credentialed as a Master Trainer through ATD and serves on the doctoral faculty of several universities, where he mentors graduate students in leadership and research. He is the author of several books on industrial practice and leadership, and he writes for the technician who has to make the call at 2 a.m. He lives and works in South Dakota.
If you work on drives and motors, read Before the First Fault before your next startup. Order your copy today.
The download is yours in seconds, and it reads on any phone, tablet, or laptop you carry to the bench.
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