Many of us will have experimented with brushless motors, and some of us will have built our own controllers rather than using an off-the-shelf part. Doing so is a good way to understand their ...

Art. 430, Part VII provides the requirements for motor controllers. The requirements for motor control circuits are in Part VI. What’s the difference? Part VI is about the supply power to motor ...

Walk into almost any commercial or industrial site, and you'll find electric motors quietly doing the heavy lifting. They drive pumps, compressors, ve ...

As previously mentioned, the feedback sensors include position sensors to track the rotor’s location, current sensors to measure the motor phase currents, voltage sensors to monitor the DC bus voltage ...

This group of symbols can be found on many motor control drawings. Can you match the symbol on each slide to the correct text description? Most of these are common control items, but we've thrown in a ...