Power Electronics

Scholar Year: 2019/2020 - 2S

Courses

Head Teacher Responsability Vítor Manuel de Carvalho Fernão Pires Head

Weekly workload Hours/week T TP P PL L TC EL OT TPL THE S Type of classes 4 2 Lectures Type Teacher Classes Hours Theorethical and Practical classes Totals 2 8,00 Vítor Pires   4,00 Prática Laboratorial Totals 1 2,00 Vítor Pires   2,00

Teaching language

Portuguese

Intended learning outcomes (Knowledges, skills and competencies to be developed by the students)

Identify and characterize the various power semiconductors. Study of operation of various types of electronic power converters. Study of the effects on the electric power grid (and loads) of the functioning of power electronic converters. Active, reactive, deformant and apparent power in the electric power system subject to non-sinusoidal alternating currents.

Syllabus

Introduction to Power Electronics
- Preamble; need; application examples
Power Electronic Devices
- Power diode
- Thyristor
- Power Bipolar Transistor
- Gate Turn-off Thyristor
- Power MOSFET
- Insulated Gate Bipolar Transistor
- Comparison the Characteristics of Devices
AC/DC converters
-Analysis of various topologies: controlled, semi-controlled, not controlled;
bridge; half-bridge, single-phase, three-phase
- Powers
-Applications
AC/AC Converters
-Cicloconverters: Topology and operating principle
> on-off control
> phase control
-Applications
DC/DC Converters
-Analysis of various topologies: one quadrant, two quadrant and fourth quadrant
-Applications
DC / AC Converters
-Voltage Source Inverter
> Single and three phase topologies
> Powers
-Current Source Inverter
-Applications

Demonstration of the syllabus coherence with the UC intended learning outcomes

a) Lectures: Interactive exhibition and demonstration method;
b) Practical Classes: Solving problems with relevant interest
c) Laboratory Classes: experimental method applied to the development of circuits and systems based on the knowledge acquired in the theoretical and practical lessons.

Teaching methodologies

Avaliação distribuída com exame final

Demonstration of the teaching methodologies coherence with the curricular unit's intended learning outcomes

Realization of laboratory work (L)
The lab grade is assigned based on the analysis and discussion of the reports and in the performance demonstrated by each student in the laboratory classroom.
Assessment by exam (T).

Assessment methodologies and evidences

Conditions of approval:
Final Rating = 0.65 * T + 0.35 * L

Classification of the examination ≥ 9.5
Classification of the laboratory ≥ 9.5

Assement and Attendance registers

Primary Bibliography