Lecturer: Maria Evelina Mognaschi  

Course name: Circuit and Field Theory
Course code: 500547
Degree course: Ingegneria per l'Ambiente e il Territorio
Disciplinary field of science: ING-IND/31
University credits: CFU 6
Course website: http://www.unipv.it/electric/cad

Specific course objectives

Knowledge of electrical quantities and units involved in the study of circuits; knowledge of linear one-port systems and their energy properties; knowledge of circuit laws and their numerical implementation; ability to solve simple circuit problems in DC, low and high frequency, in resonance or transient conditions.

Course programme

DC circuits
Basic electrical quantities. One-port systems and their voltage-current characteristic. Ohm’s law. Power balance. Electric circuits. Nodes and loops. Kirchhoff’s laws. Linear circuit analysis. Circuit theorems.

AC circuits
Capacitor. Inductor. Signals in the time-domain and their representation. Circuit analysis in the frequency domain. Phasors. Impedance and admittance. Real, imaginary and complex power. Frequency response of a passive one-port system. Resonance. Two-port systems.

Circuit analysis in the time-domain
Analysis of a linear circuit of the n-th order. Natural frequencies, initial values, transient state and steady-state. Linear circuits of the first order. Linear circuits of the second order.

Power circuits
Three-phase systems: definitions and basic properties. Symmetric and balanced systems. Three-phase generators and loads. Power in three-phase systems and its measurements.

Course entry requirements

Linear algebra, complex numbers, derivatives and integrals.

Course structure and teaching

Lectures (hours/year in lecture theatre): 36
Practical class (hours/year in lecture theatre): 18
Practicals / Workshops (hours/year in lecture theatre): 0

Suggested reading materials

M. Guarnieri, A. Stella. Principi e Applicazioni di Elettrotecnica, first volume. Edizioni Progetto, Padova.

Testing and exams

The final examination consists of a written test and an interview.