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3D illustration cross-section view of an electric motor showing the rotor, stator, and windings

Electric Motor Fundamentals

Electric Motor Fundamentals introduces learners to basic electrical concepts relevant to motors, the different types of electric motors and nameplates utilized in the industry, as well as common failure modes. Ready to take the next step? Explore the course details and see everything we’ve packed into this program!

Learning Hours: 3

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Course Description

Electric Motor Fundamentals introduces learners to basic electrical concepts relevant to motors, the different types of electric motors and nameplates utilized in the industry, as well as common failure modes. This course depicts the inner workings of the various types of electric motors with in-depth animations and illustrations, as well as short GIFs portraying the different motor failures. The material in this course is beneficial for both those who contain some knowledge of electric motors, and those who are new to the industry.

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Who will benefit from this Electric Motors course?

Quality, manufacturing, engineering, designing, purchasing, and sales functions at organizations that require an understanding of different types of electric motors and their applications.

Course Classification

This manufacturing course by THORS eLearning Solutions covers identification of key terms and understanding of key concepts.

*THORS uses the Bloom’s Taxonomy Methodology for our course development.

Certificate Awarded for Electric Motor Fundamentals

Example of certificate awarded upon successful completion of the course.

*upon successful completion

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Learning Objectives

  1. Recognize the difference between an electric motor and a generator.
  2. Recall basic electrical concepts to further understand how an electric motor works.
  3. Learn and understand the functional elements of an electric motor.
  4. Differentiate between the types of electric motors, their components, applications, and advantages as well as disadvantages.
  5. Examine the difference between the European and U.S. standard nameplates.
  6. Understand and recognize various failure modes that may occur in electric motors and their causes, along with corrective actions.
3D cross-section of a DC motor highlighting the current sent from the battery to the motor armature
Electric Motor Fundamentals

Table of Contents

  1. Basic Concepts
    1. Electric Motor vs. Generator
    2. Basic Electrical Concepts
      1. Current
        1. Direct Current (DC)
        2. Alternating Current (AC)
      2. Single and Three-Phase Power
      3. Series and Parallel Connections
    3. Functional Elements of a Motor
      1. Magnets
      2. Terminal Box
      3. Electromagnetic Components
        1. Rotor
          1. Squirrel Cage Rotor
          2. Wound Rotor
          3. Permanent Magnet Rotor
        2. Stator
      4. Mechanical Components
        1. Shaft and Bearings
        2. Housing
      5. Thermal Cooling
      6. Electric Motor Energy Conversion
  2. Types of Motors
    1. DC Motors
      1. Brushed DC Motors
        1. Series-Wound Motors
        2. Shunt-Wound Motors
        3. Compound Motors
        4. Permanent Magnet Motors
      2. Brushless DC Motors
    2. AC Motors
      1. AC Induction Motors
        1. Single-Phase Induction Motor
        2. Three-Phase Induction Motor
      2. AC Synchronous Motors
  3. Nameplates and Failure Modes
    1. Motor Nameplates
      1. IEC Nameplate
        1. Company Name
        2. Number of Phases
        3. Manufacturer’s Type
        4. Serial Number
        5. Frame Size
        6. Number of Poles
        7. Rated Power
        8. Delta and Wye
        9. Rated Frequency
        10. Rated Voltage
        11. Rated Full-Load Speed
        12. Rated Full-Load Amps
        13. Efficiency
        14. Bearing Information
        15. Ambient Temperature
        16. Insulation Class
        17. Weight
        18. Index of Protection
        19. Duty
        20. Manufacturing Country
        21. Certification Symbols
      2. NEMA Nameplate
        1. Company Name
        2. Manufacturer’s Type
        3. Serial Number
        4. Rated Horsepower
        5. Service Factor
        6. Insulation Class
        7. Rated Voltage
        8. Design
        9. Rated Frequency
        10. Frame Size
        11. Full Load Amps
        12. Rated Full Load Speed
        13. Efficiency
        14. Ambient Temperature
        15. Time Rating
        16. Number of Phases
        17. Locked Rotor Code
        18. Bearing Information
        19. Company Address
        20. Manufacturing Country
    2. Common Failure Modes
      1. Bearing Failure
      2. Stator Winding Failure
      3. External Failure
      4. Rotor Winding Failure
      5. Shaft Coupling Failure
      6. Other Failures

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