Want to create an interactive transcript for this episode?
Podcast: HVAC School - For Techs, By Techs
Episode: How EC Motors Work
Description: In this podcast episode, Bryan and Chris Mohalley from Regal Beloit discuss EC motors. They also describe ECM applications and how those motors work. EC motors (ECMs or "ECM motors") are electronically commutated motors. These motors are generally three-phase AC motors operated by a drive; that drive is a combination of an AC-to-DC converter, microprocessor, and frequency drive. So, the frequency delivered to the motor is generated electronically. When it comes to inputs, the ECM works like a printer. One input provides power (from the wall to the printer). The other cable tells the printer...