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Electric Motors: Types, Application, Selection, Sizing and Optimization

Focus Areas

  • Electric Motor Basics
    • Types of Motors, parts, operating principle, advantages, disadvantages and applications
    • Power, Torque, speed, efficiency etc. of a motor
    • Duty cycle, Amb. Temperature and Insulation class
  • Motor Sizing
    • Basic parameters like Friction and Friction coefficient, Moment of Inertia
    • Load and force calculations
    • Torque
      • Load torque
      • Continuous torque
      • Acceleration torque
    • Direct drive or Reduction drive.
    • Mounting- Horizontal, Vertical or inclined
  • Case Studies
    • AC Motor selection
    • Servo Motor selection
    • Stepper motor selection


Electric Motors play an important role in Both in Industry and Household. Motor converts electrical energy to Mechanical energy. Motors are used in industry for operating cranes, Blowers, Machines, Machine tools, Compressors, conveyors, Hydraulic & Oil pumps, Robots, Loco engines and host of other equipment. Domestic goods like washing machines, Mixers, Water pumps, Fans, lifts etc. also need Motors.

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 for all users in the industry. Proper understanding about all these topics, selecting suitable type and sizing of motor for the required application is important. Proper sizing of motor will have long and trouble-free life and will also be energy efficient.

Keeping this in view Indian Machine Tool Manufacturers' Association (IMTMA) is organizing 2day workshop on “Electric motors selection and sizing” on 28-29th of Aug 2018 at Bangalore.

Key Takeaways

  1. After undergoing the programme, the participants will be able to learn about
  2. Types of electric motors, working principle, advantages, disadvantages and applications
  3. Frame sizes and duty cycles
  4. Effect of Ambient temperature and Insulation class
  5. Class of Protection and Cooling methods
  6. Speed Control and their effects.
  7. Estimation of force, Inertia and Torque.
  8. Selection and sizing of Different types of motors.

Enquire About This Programme

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