Power Electronics Systems

Code:

EEC0097

Acronym:

SELE

Keywords
Classification	Keyword
OFICIAL	Automation, Control & Manufacturing Syst.

Instance: 2018/2019 - 1S

Active?	Yes
Responsible unit:	Department of Electrical and Computer Engineering
Course/CS Responsible:	Master in Electrical and Computers Engineering

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
MIEEC	20	Syllabus	4	-	6	56	162

Teaching language

Suitable for English-speaking students

Objectives

The course is project oriented and centred in the study of methods and architectures to design engineering systems based on power electronics converters and systems.
It aims to increase the knowledge in the domain of power electronics structures with low and high power and the associated control methods; to give attention to the international standards related with the grid connection of such converters. It also aims to focus in modern technologies in the application domains with impact on the energy conversion performance (dynamics and energy efficiency) and in electromagnetic compatibility issues.

Learning outcomes and competences

The course aims to provide knowledge and methods to allow the students to:
1. Analyze and critically evaluate established technological solutions and recent developments in the power electronics field including topologies and control methods (hardware and software based) and operating characteristics (static and dynamic)
2. Design and integrate electronics subsystems, analogue and digital, of low and high power, namely considering:
i) the energy levels in the different subsystems, and
ii) the control system performance
iii) normative issues in the domain 
3. Incorporate electromagnetic compatibility issues in the design
4. Satisfy European directives and Norms in the power electronics systems domain
5. Work in group
6. Produce technical reports and make oral presentations

Working method

Presencial

Pre-requirements (prior knowledge) and co-requirements (common knowledge)

Pre-requisites for a successful course: fundamental knowledge of signal and power electronics, signal processing, microcontrollers and control theory.

Program

1. Circuits and systems for power electronics conversion
1.1 Switching mode power supplies
1.2 Resonant converters
1.3 Multilevel converters
1.4 Grid interface of power electronics converters
2. Electromagnetic compatibility
2.1 European Union Directive on Electromagnetic Compatibility
2.2 Conducted and radiated emission. Susceptibility. Electromagnetic compatibility in power electronics systems
2.3 Design of circuits and systems. Filtering, shielding
3. Power electronics systems and the environment
3.1 European Union Directives WEEE, RoHS and EuP

Mandatory literature

Mohan, Ned; Power Electronics. ISBN: 0-471-30576-6
Wu Bin; High power converters and AC drives. ISBN: 978-0-471-73171-9
Teodorescu Remus; Grid converters for photovoltaic and wind power systems. ISBN: 978-0-470-05751-3

Complementary Bibliography

EN 61000 - Electromagnetic Compatibility, IEC
Tihanyi, László; Electromagnetic compatibility in power electronics. ISBN: 0-7506-2379-9
Skvarenina Timothy L. 340; The power electronics handbook. ISBN: 0-8493-7336-0

Teaching methods and learning activities

The theoretical classes are of three types:
1. Tutorials
2. Presentation and discussion of applied examples
3. Collective analysis of the practical works

The practical classes are of two types:
1. Accompanying the execution of the simulation or monograph works
2. Accompanying the execution of the experimental works

Software

PSIM
Matlab

keywords

Technological sciences > Technology > Energy technology > Electric vehicles
Technological sciences > Engineering > Simulation engineering
Technological sciences > Technology > Energy technology > Electricity grid systems
Technological sciences > Engineering > Electronic engineering
Technological sciences > Engineering > Electrical engineering
Technological sciences > Technology > Energy technology > Renewable energies

Evaluation Type

Distributed evaluation with final exam

Assessment Components

Designation	Weight (%)
Exame	50,00
Trabalho laboratorial	30,00
Trabalho prático ou de projeto	20,00
Total:	100,00

Amount of time allocated to each course unit

Designation	Time (hours)
Apresentação/discussão de um trabalho científico	2,00
Estudo autónomo	36,00
Frequência das aulas	54,00
Trabalho escrito	30,00
Trabalho laboratorial	40,00
Total:	162,00

Eligibility for exams

According to the “Normas Gerais de Avaliação” in what concerns classes attendance and obtain a minimum of 40% in the weighted average of the practical works’ evaluation.

Calculation formula of final grade

Evaluation components:
1- Simulation or monograph work (SIM)
2- Experimental work (EXP)
3- Exam (EXA), without notes, with duration of 2 hours

In any case, the evaluation is individual. The two works are subjected to a written report and an oral presentation.
The simulation or monograph work can be made individually or in group. The simulation one measures the capability to analyze, model and simulate power electronics conversion systems and control methods, as well as the creativity in the formulation of possible solutions. The moonograph assesses the capability to search and compare solutions, to make the state of tthe art, practicing the critical analysis and information synthesis.
The experimental work is made in group. It evaluates the capability to design, implement and analyze solutions, as well as evaluates the capability to work in team. The oral presentation evaluates different aspects of communicating in public for a specific audience.
The exam evaluates the capability to analyze the operation of power electronics energy conversion systems based on different topologies and control methods, as well as the level and robustness of the acquired knowledge and the technical-scientific merit.

Final Classification

FC=0.2*SIM+0.3*EXP+0.5*EXA

All components are evaluated in a 0,0-20,0 scale. Course approval requires a minimum of 40% in the exam.

The achievement of a final grade higher than 18 points is subject to an oral examination covering all the subjects and components of the assessment of the curricular unit, including the simulation work and the experimental work. The classification in this exam is the final classification of the curricular unit.

Examinations or Special Assignments

None.

Internship work/project

None.

Special assessment (TE, DA, ...)

None. Simulation and experimental works can be done outside the course schedule. Practical works are mandatory for all course students. Students with special practical classes’ attendance must do a final practical examination (with a simulation part and an experimental part).

Classification improvement

Any component (simulation/monograph work, experimental work or exam) can be improved, in the officially established dates.

Observations