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In this two-day hands-on seminar you will learn about the operation, setup and maintenance of AC Variable Frequency Drives. It is designed to familiarize maintenance personnel with the concepts and principles necessary to repair and troubleshoot VFD systems. The following will be covered:

AC Drive Fundamentals
Regardless of the manufacturer, all AC Variable Frequency Drives Systems have two major components: AC induction motor and variable speed controller. Understanding these two components and how they work together will increase your ability to troubleshoot in a variety of applications.

Types and Applications
Variable Frequency Drives are used in a variety of applications including pumps, blowers, fans, compressors, and other machinery. This seminar will teach you the benefits of using this variable speed technology in these applications and which style of controller can and should be used.

Setup and Operation
You will learn the basic setup of parameters, control wiring, and safety precautions necessary for installing an AC Variable Frequency Drive. Various drive features will be discussed including operating modes, braking types, automatic restart, and many more.

Maintenance Troubleshooting
You will learn hands-on the basic requirements necessary for an AC Variable Frequency Drive to function properly, and how to recognize problems when it doesn’t. We will discuss common faults, their causes, and how they can be repaired.

Seminar Topics:

• Inverter Duty vs. Standard Duty Motors
• Basic Setup Parameters
• Operating Requirements
• Safety Precautions
• Fault Codes
• Common Causes of Failure
• Troubleshooting Drives
• Troubleshooting Motors