t.BA.ET.EAT.19HS (Power Engineering and Drive Technology) 
Module: Power Engineering and Drive Technology
This information was generated on: 25 May 2024
Power Engineering and Drive Technology
Organised by


Version: 4.0 start 01 February 2024

Short description

Students learn the basics of electrical energy systems, including the structure and the main components of the electrical power network, the three-phase theory and transformers. The main components and behaviour of machines and power electronics for electrical drives are introduced.

Module coordinator

Colotti Alberto (cota)

Learning objectives (competencies)

Objectives Competences Taxonomy levels
Students know the structure of the electrical power network and can explain the function of the main components F K2
They know about the requirements to design  an electrical drive to meet the needs for a specific application F, M K2, K3, K4
They can explain the function of the most important electrical drive systems F K2, K3
They know the most important properties of the components of a power electronic system and are able to explain their main characteristic values F, M K2, K3, K4

Module contents

The module covers he basic topics of electrical energy system which should be present in the knowledge of every electrical engineer. This includes the structure and the main components of the electrical power network, the three-phase theory and the transformer. Concerning the electrical drives the main components and behavior of the machines and the power electronics are introduced.

Power grid systgems(2 SW)
  • structure and components of the electrical grid
  • three-phase theorie, apparent, active and reactive power
  • electrical transformator (magnetic circuit and operation mode, main and stray inductances, symmetrical and asymmetrical load, Three phase tranformer in Y/D connection)
Dimensioning of electrical drives (1 SW)
  • basic mechanical and electrical theory (power, forces, torque)
  • application and requirements (examples and standards)
  • design and types of drive systems (structures, properties)
DC Motor drives (3 SW)
  • Permanent magnet DC Motor (structure, magnetic circuit, properties and parameters)
  • power electronics components and basic concepts
  • Leistungselektronik
  • Buck Converter, Synchronous Rectifier and H-Bridge as DC Motor Supply
BLDC Motores  (3 SW)
  • Structure, components and function of the EC Motor
  • three phase bridge as drive of BLDC Motor
Drives with Induction Machines (3 SW)
  • Squirell cage induction motor, structure, components and function
  • Soft Starter
  • Variable Speed Drives (properties, constant torque and constant power region)
  • Frequency Converter (behaviour and properties, pulse with modulation, harmonics)
Stepper Motors (1 SW)
  • Structure, components and function of stepper motor, focus on hybrid topology
  • control of stepper motor with H-Bridge in full and micro step operation

Teaching materials

Lecture script Introduction to Power and Electrical Drive Systems by Alberto Colotti and Werner Sieber
Dedicated instructions to the laboratory exercises

Supplementary literature

Hagl, R.: Elektrische Antriebstechnik. Carl Hanser Verlag, 2013 (ebook via Bibliothek).
Colotti, A.; Jenni F.: Elektrische Antriebe. Faktor Verlag 2015 (pdf via energieschweiz.ch.



Teaching language

(X) German ( ) English

Part of International Profile

( ) Yes (X) No

Module structure

Type 3b
  For more details please click on this link: T_CL_Modulauspraegungen_SM2025


Description Type Form Scope Grade Weighting
Graded assignments during teaching semester 2 Exams Written 30 min Numerical 15 % each
Laboratory Experiment Group work 10 experiments Fulfilled 10 %
End-of-semester exam Exam Written 60 min Numerical 60%



Legal basis

The module description is part of the legal basis in addition to the general academic regulations. It is binding. During the first week of the semester a written and communicated supplement can specify the module description in more detail.


Course: Energie- und Antriebstechnik - Praktikum
Energie- und Antriebstechnik - Praktikum


  • No module description is available in the system for the cut-off date of 01 August 2099.
Course: Energie- und Antriebstechnik - Vorlesung
Energie- und Antriebstechnik - Vorlesung


  • No module description is available in the system for the cut-off date of 01 August 2099.