Electric Energy Processing and Storage


This subject aims at the acquisition by the students of sufficient knowledge and competence in the area of power electronics in energy systems, where the students should be capable to select and/or design the most suitable power converter for a certain application.

Students must acquire knowledge about the composition, properties and functioning of the power electronic circuits and devices generally used in power systems. Students should also develop soft skills such as: ability to categorize priorities in the analysis of a technical problem, ability to make structured and clear decisions and improve their written and oral communication skills. The final objective is to contribute to a more interdisciplinary profile of the student, and thus to improve his employability.

General characterization





Responsible teacher

Pedro Miguel Ribeiro Pereira


Weekly - 4

Total - 84

Teaching language





Ned Mohan, Power Electronics and Drives, MNPERE, 2003

Power Electronics, Converters, Applications and Design, N. Mohan, T. Undeland, W. Robbins, Ed.: John Wiley & Sons Inc., 2002

Power Electronics, Circuits, Devices and Applications, M. Rashid, Editora: Prentice Hall, 1993

Power Electronics, C. Lander, McGraw-Hill, 1999

Gilbert M. Masters, Renewable and Efficient Electric Power Systems, John Wiley & Sons, 2004.

Castro, R., Uma Introdução às Energias Renováveis: Eólica, Fotovoltaica e Mini-Hídrica, IST Press, 2011.


Teaching method

Theoretical-practical classes; seminar classes and laboratory.

Evaluation method

The assessment is done by designing a project (group (max 5 elements) 30%) and the resolution of two individual written examinations (35% + 35%).

The group assignements will considered as "frequência".

A minimal grade of 9,5 in each evaluation components (project + written examinations) is required.




Subject matter

- Power electronics for renewable energy systems. 

- Converter AC-DC, AC-AC. Characteristics and limitations of rectifiers.

- Converters DC-DC. Maximum power point (MPP). Converters BUCK, BOOST.

- Energy storage. Distributed generation, reliability and stability of the grid.

- Basic management of the batteries. Batteries for Electric vehicle and for buildings. Factors that define the battery efficiency: structure, surface and types.


Programs where the course is taught: