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Power Electronics, Electrical Machines, Drive Technology

Item No.: SO4204-7T

Course - Electric Machines 2: Asynchronous machines

Includes:

  • 1 Experiment card with stator and three-phase winding, run-up and operating capacitor and temperature sensor with constant current source

  • 3 Rotors: squirrel-cage, permanent-magnet, rotor with open winding

  • CD-ROM with Labsoft browser and course software

 

Course contents:

  • Identifying the most common applications of rotating field machines

  • Explanation of the principles of electromagnetic induction

  • Explanation of the design and function of rotating field machines

  • Explanation of the differences between motor and generator operation

  • Introduction to the key components of a rotating field machine, the rotor and stator

  • Experimental demonstration of how torque arises and of the generator principle

  • Creation of a rotating magnetic field by rotating field machines: experimental demonstration of a rotating magnetic field in the stator

  • Introduction to the principle of a three-phase transformer

  • Investigation by measurement of three-phase machines in star and delta configurations.

  • Measurement of phase-to-phase and line-to-line voltage and current

  • Measurement of rotor voltage and current

  • Interpreting a rating plate

  • Introduction to nominal data and characteristic parameters for electrical machines, power factor, pole-pairs, torque, speed and slip

  • Introduction to the design and function of asynchronous machines with squirrel cage rotors

  • Investigation by measurement of a squirrel-cage rotor, frequency response characteristics, reversal of rotation

  • Investigation by measurement of the operating response of a synchronous machine with a permanent magnet rotor

  • Introduction to the principle of a capacitor motor (Steinmetz circuit)

  • Investigation by measurement of the operating response of a capacitor motor

  • Explanation of the importance of temperature monitoring in electrical machines

  • Measurement of winding temperature in running machines

  • Fault simulation (4 simulated faults activated by relay)

  • Course duration. 5.5 h approx. (Fault simulation 0.5 approx.)

  
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