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VFD-101 for the HVAC Market

This collection of lessons covers some of the basic information needed to understand the installation and operation of Variable Frequency Drives for the HVAC market in fan applications.

In front of each lesson there is a series of short questions. If you can answer most of these questions correctly, then skip this lesson and go to the next. At the end of each lesson there is an evaluation test insuring that you have properly assimilated the information.
Lesson 1 - Basic Functions of a Variable Frequency Drive (VFD)
Pretest

Tutorial

Evaluation Test

Lesson 2 - Control Arrangements for a Variable Frequency Drive (VFD)
Pretest

Tutorial

Evaluation Test

Lesson 3 - Parts of a Variable Frequency Drive (VFD)
Pretest

Tutorial

Evaluation Test

Lesson 4 - Application Terminology for a Variable Frequency Drive (VFD)
Pretest

Tutorial

Evaluation Test

Lesson 5 - Power Input Terminology for a Variable Frequency Drive (VFD)
Pretest

Tutorial

Evaluation Test