| AEEA2 | 25013 | Electric Motors- AC Motor Controllers 2 |
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Performance Objectives:
Pass Fail
Topic 1: Introduction
1.1
Use a schematic diagram to describe how an AC motor
controller operates.
1.2
Use a wiring diagram to locate the components in an AC
motor controller.
1.3
Use a legend to describe the symbols and abbreviations
used on a diagram.
1.4
Use a sequencing chart to describe the positions of a
motor controller’s components during various stages of
the controller’s operation.
1.5
Describe a basic procedure for troubleshooting an AC
motor controller.
1.6
Identify and describe various sources of information about
the normal operation of an AC motor controller, and about
an AC motor controller malfunction.
1.7
Use a schematic diagram to help diagnose an AC motor
controller malfunction.
Topic 2: Troubleshooting
2.1 Describe how a voltage tester can be used to locate a
malfunction
in an energized AC motor controller.
2.2 Describe how to test an AC motor controller to make
sure it is
de-energized.
2.3 Describe how to use a megohmmeter to test a de-energized
controller
for grounds.
2.4 Describe how to use a multimeter to locate an open and
a short in
a de-energized AC motor controller.
Topic 3: Maintenance
3.1 Explain why an AC motor controller should be kept clean.
3.2 Describe how to clean an AC motor controller.
3.3 Describe a basic procedure for inspecting an AC motor
controller’s
magnetic contactor.
3.4 Describe how to inspect an AC motor controller’s wiring
and
components.
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Date Completed: _____________________________________________