- Docente: Gabriele Grandi
- Credits: 6
- SSD: ING-IND/32
- Language: English
- Teaching Mode: In-person learning (entirely or partially)
- Campus: Bologna
- Corso: Second cycle degree programme (LM) in Automation Engineering (cod. 0931)
Learning outcomes
Principles of modern power electronics: power diodes, controlled switches. Knowledge of commutation transients, reverse recovery, and losses. How the pulsewidth modulation works, including harmonic analysis of voltage and currents. Calculating and to improving the conversion efficiency. DC/DC converters, voltage and current transfer ratio, multi-level converters. DC/AC converters, single-phase, three-phase and multi-phase. The space vector analysis of multiphase AC systems. Space vector modulation of three phase inverters.
Course contents
Supplements of linear and non-linear electric circuits. Non sinusoidal periodic waveforms. Current and voltage harmonic distortion and powers in non-sinusoidal steady-state. Power diodes and SCRs. Rectifiers: single-phase and three-phase. Power electronic switches: BJT, MOSFET, IGBT, emerging components. Basics of pulse width modulation (PWM). Choppers: buck, boost, buck-boost, Cùk, full bridge. Single-phase inverters. Three-phase inverters. The current regulation by voltage source converter. Power active filters. Multi-phase and multi-level inverters.
Readings/Bibliography
- Mohan, Undeland, Robbins: Power Electronics. J.Wiley & Sons
- Rashid: Power Electronics: Circuits Devices and Applications. Prentice Hall
- Kassakian, Schlecht, Verrghese: Principles of Power Electronics. MIT Addison-Wesley
Teaching methods
Classroom lessons (theory and applications). Some practical experiences in the Lab.
Assessment methods
Oral exam (interview).
Teaching tools
Lesson notes in English.
Italian textbooks are also available. Please directly contact the
professor.
Office hours
See the website of Gabriele Grandi