Power Electronics

About this course

Expected learning outcomes

Knowledge: After completing the course, the student will:

  • have an in-depth understanding of the role of  Power  Electronics to electrical energy conversion as AC/DC, DC/DC or DC/AC and AC/AC conversion.
  • understand operating principles and modulation strategies for basic Power Electronics Topologies and the properties of several PWM techniques and their applications to switch-mode power electronic systems.
  • be able to identify the most important design parameters and to recognize the impact of operating parameters on the design and use of power electronic devices

 Skills: After conclusion of the course, the student will be able to:

  • recognize, define, and analyze power electronic converters that perform AC/DC, DC/DC, DC/AC and AC/AC conversions
  • design power electronic converters exhibiting high-performance operation
  • analyse the operating principles and modulation for power electronic systems

Competences: After completing the course, the candidate has increased:

  • skills in cooperation – ability to communicate effectively about the Power Electronic Systems
  • ability to contribute to innovation and innovation processes

Indicative Syllabus

    • Definition of “Power Electronics”, Semiconductors (Si, SiC, GaN) and Power Semiconductor Devices and Components, (Diode, Thyristor, GTO, MCT, TRIAC, Power BJT, Power MOSFETs, SJ MOSFET, IGBT, HEMT, TRIAC), Circuits with switches and diodes (with load RC, RL, RLC), semiconductor protection, damping
    • oscillations – snubbers, MOVs, fuses, current sensing protection – protection through the drive circuit. Rectifiers, multiphase rectifiers, controlled rectifiers with thyristor.
    • RL and LC low-pass filters, Fourier analysis, harmonics spectrum use, ripple coefficient (K), total harmonic distortion factor (THD), harmonic coefficients (HF 1,2), power factor (PF). DC / DC conversion, buck converter, CCM and DCM operation, Boost converter, positive to negative converter. Duty Cycle Definition and Control using Pulse Width Modulation (PWM).
    • Switching Power Supplies, power factor correction (PFC), pulse transformer, Forward Converter, semi-bridge, Full Bridge, Push-Pull, coupled coils, Flyback converter. Inverters: Half Bridge, Bridge, PWM Technique, MPWM Technique, Technique PDM, Modulation Factor (Mf), SPWM Technique, Normal Carrier Frequency (Fnc), HF-Link, Three Phase Inverters, Inverters and Motor Drive, Class D amplifiers.
    • Class E, Cycloconverters.
    • MCUs, DSPs and Power Electronics, Digital PWM Units.
    • MPPT, PFC, Batteries and Battery Management

    Teaching / Learning Methodology

    Weekly Lectures 2hr/week

    Recommended Reading

    TBA

    Prerequisites

    Fundamental Analog Electronics

    Start Date

    2023

    End Date

    2024

    Apply

    2023

    ENROLL NOW

    Local Course Code

    TBA

    Cycle

    TBA

    Year of study

    TBA

    Language

    English

    Study Load

    4 ECTS

    Mode of delivery

    Written exams, class contribution, short project presentation.

    Instructors

    Dr. John Chatzakis

    Course coordinator

    Dr. John Chatzakis

    E-mail

    jchatzakis@hmu.gr