AEEA1 25012 Electric Motors- AC Motor Controllers 1

 

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                                                                                                                    Pass     Fail                  

Topic 1: Introduction

1.1  Describe how a manual controller and a magnetic controller
can be used to control a motor.

1.2  Describe the basic parts and operation of a typical magnetic
contactor.

1.3  Use an electrical diagram to describe the operation of a
magnetic contactor in a typical AC motor controller.

1.4  Use an electrical diagram to describe the operation of
maintaining master switches and momentary master switches.

1.5  Describe the operation of various types of pilot devices
commonly used with AC motor controllers.

 

Topic 2: Protective Devices

2.1 Describe the parts and operation of typical thermal overload
      devices and a typical magnetic overload device.

2.2 Use an electrical diagram to describe the operation of an
      LVP motor controller.

2.3 Use an electrical diagram to describe the operation of an LVR
      motor controller.

2.4 Use an electrical diagram to describe the operation of a low
     voltage relay.

 

Topic 3: Special Motor Controllers 

3.1 Use an electrical diagram to explain how a reduced voltage
      start motor controller provides protection to motors when
      they are first started.

3.2 Use an electrical diagram to describe the operation of a two-
      speed motor controller.

3.3 Use an electrical diagram to describe the operation of a
      reversible motor controller.

 

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Date Completed: _____________________________________________