Masters lectures

Hands-on introduction to digital inverter control

Sommer semester, 6 CP,
Dr. Fuhrmann,
Lecture and lab course

Short presentation of this course

  • Programming of a 32-bit microcontroller
  • Designing a custom program library for LCD and timers
  • Fundamentals of discrete controller programming

Electrical Power Systems - Control and Protection

Winter semester, 6 CP,
Prof. Cai,
Lecture, exercise, lab course

  • Controllers in conventional plants
    • Active power/frequency
    • Reactive power/voltage
  • FACTS devices
  • Short circuit analysis
  • Modeling and simulation of relay protection

Electrical Power Systems - Disturbed Operation

Sommer semester, 6 CP,
Prof. Cai,
Lecture, exercise, lab course

  • Symmetrical and Unsymmetrical fault analysis
  • Power system stability analysis
    • Rotor angle 
    • Voltage 
    • Frequency 
    • Resonance 
  • Modeling and simulation of stability controllers

Electrical Power Systems - Symmetric operation

Winter semester, 6 CP,
Prof. Cai,
Lecture, exercise, lab course

  • Power system fundamental calculations
  • Static modeling of system components
  • Detailed modeling of transmission lines
  • Power flow calculation
    • Gauss-Seidel method
    • Newton-Raphson method
  • Power system planning
    • Unit commitment (active power optimization)
    • Loss reduction (reactive power optimization)

Geregelte elektrische Antriebe 

Sommer semester, 6 CP,
Prof. Eckel,
Lecture, exercise, lab course

Short introduction

  • Steady-state behavior of machines and loads
  • Dynamic behavior of DC machines
  • Dynamic behavior of three-phase machines
  • Control of three-phase machines

High Voltage and Current System

Winter semester, 6 CP,
Prof. Uhrlandt,
Lecture, exercise, lab course

  • Introduction to high-voltage and high-current technology
  • Electrical contacts and connections
  • Arc and plasma
  • Switching arc

Leistungshalbleiter

Winter semester, 6 CP,
Prof. Eckel,
Lecture, exercise, lab course

Short introduction

  • Fundamentals (semiconductor equations, pn-junction)
  • Power diodes (reverse, forward, and reverse recovery behavior)
  • IGBT (operation, switching behavior, control, and protection)
  • Wide-bandgap power semiconductors (properties, SiC diodes, transistors)

Project Seminar Power Electronics

Sommersemester,  6 CP,
Prof. Eckel,
Project

  • Current topics in the field of power electronics for use in drive technology,
    energy generation, and energy transmission

Renewable Energy Source

Winter semester, 6 CP,
Prof. Cai,
Lecture and exercise

  • Evaluation of the primary renewable resources (solar and wind)
  • Controller design for Wind turbines and Photovoltaics in simulation software
  • Grid code requirements for renewable energies
    • Active power/frequency control
    • Reactive power/voltage control
    • Fault-ride-through
    • Grid-forming control

Simulation of Power Semiconductors

Sommer semester, 6 CP,
Prof. Eckel,
Project

  • Blocking, on-state and switching behavior of IGBTs and diodes
  • TCAD toolbox for simulation of power semiconductors
  • Simulation of the switching behavior of IGBTs and the reverse recovery behavior of diodes

Umrichterregelung für Eneuerbare Energien

Wintersemester, 6 CP,
Prof. Eckel,
Lecture and exercise

Short introduction

  • Circuit topologies and their modulation methods
  • Harmonics and countermeasures
  • Control concepts (Virtual Flux, VOC)