How to ensure reliable motor operation with variable frequency drives

How to ensure reliable motor operation with variable frequency drives A variable frequency drive (VFD) is the industry’s standard technique for controlling the speed and torques of induction motors. To ensure reliable operation of motors with VFDs, the user must consider various measures and best practices. By Cole Casteel, PE, and Taha Mohammed, PE January 17, 2025 Learning Objectives Understand the fundamental components and operations of induction motors and VFDs. Recognize the key factors for selecting motors and VFDs. Grasp important factors for VFD and motor installation. Variable frequency drive insights VFDs are gaining widespread popularity for driving motors in industrial and commercial facilities due to their efficiency. It’s important that the motor characteristics and application are coordinated with the driven equipment during the motor and VFD selections. Monitoring the temperature can help identify VFD problems before they do too much damage. ...