Item No.: CO4204-7M

Course Power electronics 2: Self-commutated power converters

Includes:

  • 1 Experiment card with self-commutated power converter, microcontroller controlled PWM with 6 MOSFET transistors and intermediate voltage circuit (40 V, 1A), Software-controlled multiplexer for simultaneous measurement of multiple voltages and currents, visualisation of MOSFET switching states via LED
  • 1 Experiment card with three-phase resistive/resistive-inductive load and visualisation of load current and rotating field vector
  • Storage case
  • Labsoft browser and course software

Course contents:

  • Introduction to the principle of PWM for generating variable DC voltage
  • Investigation of load response for single-quadrant and four-quadrant operation
  • Recording the control and operating characteristics for single-quadrant and four-quadrant operation
  • Introduction to the principle of PWM for generating variable AC voltage
  • Signal measurements over time of amplitude and signal modulation by AC converters
  • Introduction to design and function of three-phase converters
  • Introduction to the principles of block commutation, sine, super-sine and space-vector modulation for generating three-phase alternating voltages
  • Analysis of the various modulation methods by measuring signal response over time
  • Determining the control response for various modulation methods
  • Investigating the influence of operating frequency by measurement
  • Comparison of various modulation methods using harmonic analysis (FFT)
  • Course duration: 5 h approx.