EEM 2-3 DC machines 300W
EEM 2-3 DC machines 300W
In spite of their declining use for industrial purposes DC machines constitute the basis for learning about electrical machines. They demonstrate in a straight-forward manner the various possibilities of open- and closed-loop control of machines.
The following training objectives are dealt with for shunt-wound, series-wound and compound-wound machines:
Motor operation:
- Motor connection
- Comparison of shunt-wound, series-wound and compound-wound machines
- Typical machine data
- Open-loop speed control with starter and field regulator
- Reversing the rotation direction
- Load characteristics at constant input voltage
- Measurement evaluations
Generator operation:
- Generator connection
- Armature voltage as a function of the exciter current
- Function and application of the field regulator
- Voltage control, self-excitation and separate excitation
- Armature current and armature voltage at constant speed and constant exciter current
- Load diagram of the generator