#### BASICS OF ELECTRICAL CIRCUITS 2

###### Domain: Electronic engineering and telecommunications • Field of study: Applied Electronics
 Type of course: Compulsory Language of instruction: English, German Erasmus Language of instruction: English, German Name of lecturer: Adrian Alexandru Tulbure Seminar tutor: Ioan Szabo Form of education Full-time
 Form of instruction: Class / Seminary Number of teaching hours per semester: 56 Number of teaching hours per week: 4 Semester: Summer Form of receiving a credit for a course: Grade Number of ECTS credits allocated 4

#### Course aims:

Extended mathematical models and graphical representations for three-phase AC
Theory of fundamental electrical circuits in three-phase systems
Non-linearities in classical electrical circuits
Make the logical connection between phenomenon - mathematical model - graphical representations
Find the unknowns (complex / matrix type), respectively, equate the three-phase electrical circuits

#### Course Entry Requirements:

Basics of mathematical analysis. Basics of electrical circuits 1

#### Course contents:

Course 1 - AC circuits. Methods and mathematical representations. Course 2 - Circuit elements. Methods of systematic analysis of AC circuits. Course 3 - Phenomenology of three-phase circuits of electric current. Course 4 - Fundamental theorems of three-phase circuits Course 5 - Three-phase systems with symmetrical and asymmetric vectors. Phase diagrams Course 6 - Electricity production. Magnetic rotating field. The electric car. Course 7 - Electricity distribution. Consumer network balanced / unbalanced. Course 8 - Non-linear electrical circuits. Fundamental and superior harmonics Course 9 - AC circuits magnetically coupled. Nonlinearities and hysteresis. Course 10 - Equations of the ideal and real transformer. The transformer in the energy / communication technique Course 11 - Theorems and equivalence relations in electrical circuit theory. Circuit operators Course 12 - Equivalence theorems for serial and parallel connection of electrical components Course 13 - Equivalence theorems for star, triangle, complete polygon connections (Millmann, Vaschy, s.a.) Course 14 - Linear and non-linear circuits with energy accumulating elements

#### Teaching methods:

Technical presentation and meeting with experimental exemplification.

#### Learning outcomes:

C1.1 Operation description of electronic devices and circuits. Fundamental methods of measuring electrical quantities C1.2 Analysis of small / medium complexity electronic circuits and systems, in order to designing and measuring them. C1.3 Diagnosis / troubleshooting of electronic circuits, equipment and systems C1.4 Use of electronic tools and specific methods to characterize and evaluate the electronic circuits and systems performance

#### Learning outcomes verification and assessment criteria:

theoretical exams – 60%; experimental laboratory – 40%.