Upon Completion of this course, participants should be able to:
• Understand why most winding insulation degradation remain undetected until catastrophic failure occurs!
• Describe the main types of failures associated with AC Motors
• Develop a basic understanding of how the chemical composition of the electrical insulations can affect its
response to injected low voltage signals
• Understand the basic laws & principles of Electro-magnetism
• Review the basic physics principles such as the Oersted’s & Faraday’s law, combined with the theory of relativity
& Maxwell’s equation & other atomic & electrical laws that have led to the development our modern electrical
machinery and learn how these principles combine to affect the electrical response of signals injected to the
machines winding system
• Describe how changes in the insulation systems affect the R, L, Z, and I/F of the winding system
• Explain how Joule’s Law, Ohms Law, and Faraday’s Law affect the various measurement used in MCA
• Identify the components in the winding system; factors that determine Resistance (R), Inductance (L),
Capacitance (C), and Impedance (I/F)
• Use the AT7™ to establish a machines condition using static testing & to manually measure R, L, Z, Fi and I/F
• List the different types of AC Motors, identify their components and describe the purpose of each component
• Understand how the major components are assembled and how different configurations affect motor operation,
efficiency, and response to low voltage injected signals
• Review how the rotating magnetic field and torque are developed in an AC induction motor
• Understand how motor shaft speed is affected by Voltage, Current, Nameplate Speed and Rated Power
• Learn how electrical insulation fails, the various failure stages and how to use MCA™ to identify the failure stages
• Review the various techniques available to identify electrical insulation failures in winding systems
• Familiarize themselves with the various measurements and guidelines associated with MCA™
• Use MCA™ measurements to evaluate a motor’s winding insulation condition
• Learn how to recognize when to correct MCA™ readings caused by “Rotor Position”
• Learn how to verify & correct for winding insulation alarms caused by “Rotor Position”
• Understand the most common faults associated squirrel cage
• Learn how to perform a dynamic test using the AT7™
• Learn to perform, interpret & evaluate an AC squirrel cage Induction motor’s winding & rotor condition using the
AT7™ DYN test
• Learn how to set-up & operate the MCA™ Basic software
• Understand how to connect AT7™ to host computer, upload MCA™ tests stored in an AT7™ to MCA Basic™
software input buffer
• Learn how to map data from input buffer to permanent machine data base
• Learn how to create & print reports from the MCA Basic™ software