htw saar
Back to Main Page

Choose Module Version:


Electrical Drive Systems

Module name (EN): Electrical Drive Systems
Degree programme: Electrical Engineering, Bachelor, ASPO 01.10.2005
Module code: E505
Hours per semester week / Teaching method: 1V+1U+1P (3 hours per week)
ECTS credits: 4
Semester: 5
Mandatory course: yes
Language of instruction:
2 lab reports, written exam
Curricular relevance:
E505 Electrical Engineering, Bachelor, ASPO 01.10.2005, semester 5, mandatory course
45 class hours (= 33.75 clock hours) over a 15-week period.
The total student study time is 120 hours (equivalent to 4 ECTS credits).
There are therefore 86.25 hours available for class preparation and follow-up work and exam preparation.
Recommended prerequisites (modules):
E303 Electronics I
E405 Electrical Machines I

[updated 11.03.2010]
Recommended as prerequisite for:
Module coordinator:
Prof. Dr.-Ing. Stefan Winternheimer
Prof. Dr.-Ing. Stefan Winternheimer

[updated 11.03.2010]
Learning outcomes:
After completing this course, students will have acquired a basic understanding of electrical drive systems. They will be in a position to distinguish between different types of drive systems and will know where these drives are generally deployed.

[updated 11.03.2010]
Module content:
Some basic concepts from mechanics
Law of conservation of momentum, moment of inertia, influence of a speed variator, power and work, determining a machine’s moment of inertia by the deceleration test
Discussion of the equations of motion
General form of the equations of motion, steady-state load characteristics of various engines and machines, stable and unstable operating points
Heating up of electrical machines
Power loss and temperature limits, heating of a homogeneous body, operating modes
DC drives
DC voltage source excitation, AC voltage excitation, reversing drives
Three-phase drives with induction machines
Operating performance of induction machines, frequency control, voltage control, subsynchronous converter cascade
Three-phase drives with synchronous machines
Operating performance of synchronous machines, speed adjustment, starting and braking, inverter motor, electronic motor
Lab course
Three-phase bridge connection, frequency-controlled induction machine

[updated 11.03.2010]
Teaching methods/Media:
Lecture notes, overhead transparencies, blackboard, experimental test rigs

[updated 11.03.2010]
Recommended or required reading:
Seefried: Elektrische Maschinen und Antriebstechnik,
Vieweg Verlag, Braunschweig/Wiesbaden, 2001
Leonhard, Werner: Control of Electrical Drives, 2nd Edition,
Springer Verlag Berlin, Heidelberg, 1985

[updated 11.03.2010]
[Sun Jul  5 15:34:59 CEST 2020, CKEY=eea, BKEY=e, CID=E505, LANGUAGE=en, DATE=05.07.2020]