UniTrain Course – Electric Machines 1: DC machines

$0.00

ABOUT THIS PRODUCT:

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
  • Labsoft browser and course software

 Course contents:

  • 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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