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2021-2022 Catalog 
2021-2022 Catalog [ARCHIVED CATALOG]

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MEC 204 - AC/DC Electronic Drives

Credits: 3
3 Skills Lab Hours

Prerequisites: EET 103  

This course covers the principles, configuration, troubleshooting and maintenance of electronic motor drives as used in industry.  Topics include various types of direct current (DC) electronic drives, alternating current (AC), variable frequency and vector drives.  The course builds upon principles and applications covered in foundational electrical courses.  All course material is supplemented with practical hands-on exposure to the items described.

Learning Outcomes
Upon successful completion of the course, the student will:

  1. Describe the function, operation and construction of DC spindle drives, axis drives and pulse width modulation drives.
  2. Describe the role of current, voltage and velocity feedback from a tachometer in DC drives.
  3. Operate DC motors using armature and field control.
  4. Configure variable frequency AC drives to control starting, stopping, speed, torque, boost and braking.
  5. Troubleshoot drive faults, parameters and systems incorporating variable frequency AC drives.
  6. Describe vector control, current and encoder feedback in an AC vector drive.
  7. Describe the function, operation and construction of AC axis drives and three-phase DC brushless motors.
  8. Calibrate each type of drive, monitoring the internal and external feedback signals and output with an oscilloscope.
  9. Select test equipment and troubleshoot the various types of electronic drives.
Listed Topics
  1. DC motion control
  2. DC spindle drives
  3. DC axis drives
  4. DC pulse width modulation drives
  5. DC drive troubleshooting
  6. Configuring and controlling A-B powerflex 70 drives
  7. Troubleshooting A-B powerflex 70 drives
  8. Configuring and troubleshooting the A-B powerflex 40 drive
  9. Configuring and troubleshooting servo drives
Reference Materials
Instructor-approved textbook and materials.
Students who successfully complete this course acquire general knowledge, skills and abilities that align with CCAC’s definition of an educated person. Specifically, this course fulfills these General Education Goals:
  • Critical Thinking and Problem Solving
  • Quantitative and Scientific Reasoning
Approved By: Bullock, Quintin Date Approved: 05/17/2017

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