Course - Electric Machines 1: DC machines

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.

 

This product is part of the following equipment:

• / Electric Machines with UniTrain  / List of articles:
• / UniTrain courses   / UniTrain electrical machine courses  / List of articles: