When you get the call, “The motor won’t start,” you’d best have a logical and systematic plan in place to approach the problem. “Easter egging” just doesn’t work unless you happen to be very lucky!

RuggedCircuits.com is a website that offers custom circuits designs. Their product includes Ruggeduino – a ruggedized Arduino-compatible microcontroller board; Rugged Motor Driver – a motor driver for ...

In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...