Variable frequency drives, or VFDs, are widely used to provide variable speed operation to AC motors that normally operate at a standard speed. This module explains the functional operation, methods of interfacing, and the advantages and disadvantages of the various types of VFDs.
This module takes 30 minutes to complete. At the end of this module, you must obtain an 80% or higher on the Test Your Knowledge for it to be marked as complete. You have unlimited attempts and the highest attempt is recorded.