AC Motor Control Basics Training

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Industrial Electrical Training Video Library - DVD 8

Section 4 - AC Motor Controls and Troubleshooting

Part 1 (31:44 min)

1-Phase and 3-Phase AC Motor Components and Operation
Types of 1-Phase Motors: Split Phase and Capacitor Motors
Starting and Accelerating 1-Phase and 3-Phase AC Motors
Selecting Motor Starters: Across-the-Line and Reduced-Voltage
Types of Reduced Starters: Primary Resistor, Auto-Transformer, Part Winding, Wye-Delta and Solid-State
Operation of All Reduced Starts, Wiring, and Connections

Part 2 (32:27 min)

Reversing Circuits for 1-Phase and 3-Phase AC Motors
Speed Control: Multispeed Motors and Variable Frequency
Introduction to AC Drive Speed Control (Inverters)
Braking Circuits Using Plugging (Zero-Speed) Switches
Troubleshooting 1-Phase and 3-Phase AC Motors at the Power Section (Branch Circuit) and Wiring Circuit
Finding Open and Short Circuits
Detection of Serious AC Motor Symptoms

To go back to the MAIN Industrial Electrical Training Video Library Page, click Electrical Training)

AC Motor Controls and Troubleshooting

"I've had the opportunity to evaluate many training materials and I've found these industrial Video programs to be the best I've seen." - Bob Desoto, continuing Education Professor, University of California-Fullerton

You need to know the basics of AC motor controls, and this program explains just that. More importantly, it shows you how to quickly identify the root cause of a problem in an AC motor.

We show you how to check the windings for open conditions, isolate a problem with the circuit or the motor, and much more. We even cover the telltale symptoms of premature motor failure.

Do you need the same information about DC motors? See our DVD 9, which covers DC motor controls and troubleshooting.

Cut AC Motor Troubleshooting Time in Half

Troubleshoot solid-state starters by quickly detecting the misfiring of SCRs.
Learn to identify the hidden problems that can cause your motor to fail.
Troubleshoot across-the-line start motors and the five types of
reduced-voltage start motors.
Solve the trickiest reduced-voltage start problem.
Understand how variable speed drives work and where to look to
solve problems.
Quickly troubleshoot multispeed motors and their circuits—learn how
to double-check the connections.
Troubleshoot the different reversing methods and circuits used with
AC motors.

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To go back to the MAIN Industrial Electrical Training Video Library Page, click Electrical Training)