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# Calculation Methods of Circuits

Structure Type: Study unit IST4004 SAT 2024V Bachelor of Engineering 2 (2025-2026) Autumn 5 cr Mäkinen, Seppo Finnish

Taking the course in advance? See the courses during the academic year 2023-2024.

## Learning Outcomes

The student knows the complex number system when calculating AC circuits and knows how to apply it to practical circuits, choose the best solution method for varying applications, can use PC software when calculating circuits.

135 h, containing 50 h of scheduled contact studies.

## Prerequisites / Recommended Optional Courses

Tasavirtapiirit ja sähkömittaustekniikka, Vaihtovirtapiirit ja sähkömittaustekniikka.

## Contents

Components of AC circuit. Curent, voltage, power and energy as a funktion of time. Complex number system, power calculation in AC systems, series and parallel resonance circuits and their application, quality factor and bandwith. Use of matrix equation with mesh and node analysis, superposition, Thevenin and Norton theorems, simple network parameters and the use of desibel, circuits containing drived sources, symmetric and asymmetric 3-phase systems.

## Recommended or Required Reading and Other Learning Resources/Tools

Vesa Verkkonen: Teoreettinen sähkötekniikka 2, Virtapiirien laskentamenetelmät/Piirianalyysi,164 s.

## Mode of Delivery / Planned Learning Activities and Teaching Methods

Lectures, home assignments and compulsory PC exercises.

## Assessment Criteria

5: The student is able to utilise the methods learnt during the study unit independently and combine the knowledge with previously learnt in various contexts.
3: The student is able to utilise the methods learnt during the study unit independently.
1: The student is able, with guidance, to utilise themethods learnt during the study unit.

## Assessment Methods

Examination, completed PC exercises, completed home assignments.