UniTrain Electrical Machine Courses

UniTrain multimedia courses on electrical machines encompass the entire spectrum of electrical machines. The motors are characterised by their open, accessible stators. These are built onto experiment cards and thus allow a detailed view of the internal design of electrical machines. In addition, the open design makes it possible to exchange rotors quickly and without tools.

Students taking the course are familiarised with the physical principles, the operation, properties and basic circuitry for various machines. In many experiments the machines are put into operation and their electrical properties measured using multimeters and oscilloscope, control units are set up and the safe usage of electrical machines is reinforced.

Includes:

  • 1 Experiment card with open, 2-pole stator and 2 exciter windings, temperature sensor with voltage source, starting and load resistors
  • Rotor with adjustable brushes
  • Stroboscope with extra-bright LED
  • CD-ROM with Labsoft browser and course software
  • Identifying the most common applications for DC machines
  • Explanation of electromagnetic induction and the Lorentz force
  • Explanation of design and function of commutated machines (DC machines)
  • Introduction to the key components of commutated machines, stator, commutator and carbon brushes
  • Measurement of current and voltage in armature and exciter and determining the armature and exciter impedances
  • Interpreting a rating plate
  • Introduction to circuit diagrams and characteristics for various types of connection: series, shunt and compound windings
  • Connection and operation of DC machines in various operating modes
  • Speed measurement using a stroboscope
  • Introduction to various types of speed regulation and reversal: field weakening, modification by means of armature and field resistors
  • Experimental investigation of various methods for controlling speed and direction of rotation
  • Connection and operation of commutated machines with AC voltages: universal motors
  • Introduction to methods of braking DC machines
  • Measurement of current and voltage when braking DC machines
  • Explain the importance of temperature monitoring for electrical machines
  • Temperature measurement in the exciter winding when a machine is running using a semiconductor sensor
  • Course duration. 5.5 h approx.

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Product number

CO4204-7S

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UniTrain electrical machine courses

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