How to Size a VFD for 3 Phase Motors

Are you looking to match a VFD to a motor? Join Keith from eMotors as he guides us through the ins and outs of selecting the right size VFD for a 3 phase motor. You'll learn about how to read the motor nameplate, matching Full Load Amps (FLA), Constant and Variable torque VFDs, voltage, RPM, and different applications and enclosure types.

For more information, see this knowledge centre article: https://www.emotorsdirect.ca/knowledg...

0:00 Introduction
0:28 VFD Sizing Intro
1:15 Matching Full Load Amps (FLA)
2:00 When to Oversize the VFD
2:13 Voltage, RPM, & Speeds
2:59 Modern VFD-Rated Motors
3:30 Different Applications
4:57 Altitude Effects
5:38 Environmental Temperature
6:10 Conclusion