IMTMA Training Centre

Online Training on Selection of Motors for Industrial Applications

Focus Areas

  • Types of motors
  • Operating principles of AC Motor
  • Characteristic curves
  • Advantages & Disadvantages
  • Applications
  • Understanding Motor specifications
    • Duty cycle
    • Efficiency
    • Shaft extension and loading.
    • Vibration and Noise levels -Allowable values
  • Guidelines for AC Motor selection
    • Friction and Friction coefficient
    • Load Inertia – Motor Inertia - Allowable limits.
    • Load torque- Acceleration torque
    • Motor torque and load torque
    • Power Calculations
  • Variable speed drive- Characteristics.
  • Sizing of AC motors – Case studies
    • Crane motor – Constant Torque
    • Centrifugal Fan Motor – Variable torque
    • Conveyor motor
  • DC Motor – Brush and Brush less Motors
  • Working principle.
    • Characteristics
    • Applications


Electric Motors are an essential part of machinery playing an important role both in Industrial as well as domestic purposes. Motors are used in various industrial applications such as operating cranes, blowers, machines, machine tools, compressors, conveyors, hydraulic & oil pumps, robots, electric locomotives and host of other equipment. Consumer goods such as washing machines, mixers, water pumps, fans, lifts also need motors.

An understanding of the types of motors, principle of working, parts, method of starting, speed control, mounting methods, temperature rise, insulation, protection, cooling methods, duty cycles, torque and speed characteristics, efficiency and other aspects of motors are very important. Proper understanding about all these topics, selecting suitable type and sizing of motor for the required application is extremely important. Proper selection of a motor for a given application will provide a long and trouble-free operation besides being energy efficient.

Keeping this in view, Indian Machine Tool Manufacturers' Association (IMTMA) is organizing a 2 day online programme on Selection of Motors for Industrial applications.

Key Takeaways

After undergoing the program, the participants will be able to have over view of:

  • Electric Motors used in Different industries
  • Working principle
  • Application and uses
  • Frame sizes
  • Duty cycles
  • Effect of Ambient temperature and Insulation class
  • Speed Control and their effects
  • Understand and estimate Force, Inertia and Torque
  • Sizing and selection of AC motors.
  • Understanding DC Motors

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