•   Basics in Three-Phase Systems ELA18GY12-3004 30.08.2021-31.10.2021  3 credits  (ELA20D-V) +-
    Competence objectives of the study unit
    Basics of matrices
    Symmetrical three-phase systems
    Unsymmetrical three-phase systems
    Power calculation in the three phase system
    Prerequisites
    Basics in Electrical Engineering - AC
    Content of the study unit
    - single-phase AC circuits (repetition)
    - three-phase AC circuits, Y-coupling
    - three-phase AC circuits, D-coupling
    - three-phase AC circuits, power calculation
    Assessment criteria
    Failed (0)
    Less than 33.3 % of the total score.
    Assessment criteria – satisfactory (1-2)
    Understands and can perform basic matrix operations
    Can calculate voltages and currents in Y- and D-connected symmetrical three-phase systems
    Can calculate voltages and currents in Y- and D-connected asymmetrical three-phase systems
    Can calculate different powers in symmetrical networks
    Assessment criteria – good (3-4)
    Can perform matrix operations and apply this in practical applications
    Understands the principle of the neutral conductor importance in a symmetrical three-phase-system
    Understands the principle of the neutral conductor importance in a asymmetrical three-phase-system
    Can calculate different powers in asymmetric three-phase systems
    Assessment criteria – excellent (5)
    Understands and can perform more advanced matrix operations
    Has the skills for theoretical analysis and calculation of different types of symmetrical three-phase loads
    Has the skills for theoretical analysis and calculation of different types of asymmetrical three-phase loads
    Has the skills and knows the principles for calculation of compensation of reactive power in three-phase systems
    Name of lecturer(s)

    Ronnie Sundsten

    Learning material

    Compendium
    Supplementary material.

    Learning methods

    Lectures
    Calculation exercises
    Diagnostic tests
    Self studies

    Objects, timing and methods of assessment

    Written exam (33.3 % for passing grade) and diagnostic tests..
    In the case of an approved course exam, the bonus points from the diagnostic tests replaces the exam task with the lowest score.
    The bonus points do not apply at the re-examination.

    Teaching language

    Swedish

    Timing

    30.08.2021 - 31.10.2021

    Enrollment date range

    11.06.2021 - 05.09.2021

    Group(s)
    • ELA20D-V
    Responsible unit

    Faculty of Technology and Seafaring

    Small group(s)
    • Grupp A (Size: 40.
    • Grupp B (Size: 40.
    • Grupp C (Size: 40.
    Teachers and responsibilities

    Matts Nickull

    Degree Programme(s)

    Degree Programme in Electrical Engineering and Automation

    Campus

    Vasa, Wolffskavägen 33

    Assessment scale

    H-5

    Alternative methods of attainment for implementation

    Written exam and opportunity for bonus points through diagnostic tests..

    Exam dates and retake possibilities

    The exam is arranged week 40.

    Timing and attendance

    31.08.2021 – 17.10.2021

    Student's schedule and workload

    A total of 81 hours, of which lectures / calculation exercises 36 hours (weeks 35 - 40).

    Assessment criteria
    Failed (0)

    Less than 33.3 % of the total score.

    Assessment criteria – satisfactory (1-2)

    Grade 1: 33.3 % - 47.2 % of the total score.
    Grade 2: 47.3 % - 61.1 % of the total score.

    Assessment criteria – good (3-4)

    Grade 3: 61.2 % - 74.9 % of the total score.
    Grade 4: 75.0 % - 88.8 % of the total score.

    Assessment criteria – excellent (5)

    More than 88.8 % of the total score.More than 88.8 % of the total score.