Course Description

This course provides an overview of the components and working of a motor. The course is divided into four modules.

Duration

1 hour

Target Audience

All personnel

Prerequisites

Course material is in English; therefore, a reasonable ability to read and understand English is required

Class Size

Remote Access

Learning Objectives

This course will provide basic knowledge on the following:

• Identify the various parts of a motor
• Explain the standards set by NEMA for rating a motor
• Describe the heating and cooling properties of motors during startup and restart
• Describe the major characteristics of the various kinds of motors

Course Content

LESSON
 

1. Components of a Motor

1. Parts of a motor
2. Standards set by NEMA
3. Heating and Cooling properties
4. Characteristics of various types of motors

2. DC Motors

1. Magnetic flux
2. Field poles in stator
3. Conductor and current-carrying loop in a magnetic field
4. Importance of commutator
5. Characteristics provided by a nameplate

3.  AC Motors

1. Rotating magnetic field
2. Polyphase induction motors
3. Torque speed curve
4. Equations
5. Results of varying voltage and frequency
6. Characteristics provided by a nameplate

4. Exam