Circuits and Signals in Power Engineering

Higher education teachers: Košir Andrej
Collaborators: Zaletelj Janez
Credits: 6
Semester: winter
Subject code: 64215

Subject description

Content (Syllabus outline):

  • Definition, characteristics and limitations of the built-linear circuits, the characteristics of ideal elements.
  • Basic electrical signals: the harmonic signal, unit step, unit impulse and operations on signals.
  • Topological circuit description, the incidence array, the array of graph windows, loop and nodal method of setting circuit equations.
  • Theory of the source transformation, and Tellegen duality theorem.
  • Classical Analysis: System differential equation and its solution, initial conditions and interpretation solutions.
  • Convolution.
  • AC analysis: indicators, system function, imitance and transfer function, complex power and Tellegen theorem.
  • Single input circuits, Thevenin and Norton equivalent circuit, theorem of maximum power transmission, resonance.
  • Two port circuits: the reciprocity theorem, the parameters of port circuits, the equivalent circuit and integration. The input impedance, impedance mapping and impedance adaptation, conductivity and transfer function.
  • Spectral analysis: Signal spectrum, using Fourier trigonometric and exponential type and integral in the analysis of linear circuits.
  • Laplace transform: Laplace transform, circuit model in the complex frequency domain, the initial state of the circuit, system function, circuit analysis with Laplace transform. Calculating the inverse transformation.

Objectives and competences:

Basic knowledge of electrical circuits and signals. Basic knowledge of linear systems analysis and on selected phenomena in electrical systems.

Intended learning outcomes:


Learning and teaching methods:

  • Lectures,
  • home projects and
  • tutorials.

Study materials


  1. B. P. Lahti: Linear Systems and Signals, Oxford university press, 2005
  2. P. D. Cha, J. I. Molinder: Fundamentals of Signals and Systems, Cambridge university press, 2006
  3. J. Mlakar: Linearna vezja in signali, Založba FE in FRI, 2002
  4. A. Košir: Linearna vezja in signali, zbirka rešenih vaj, Založba FE in FRI, 2005

Study in which the course is carried out

  • 1 year - 2nd cycle - Electrical Engineering - Electrical Power Engineering
  • 1 year - 2nd cycle - Electrical Engineering - Mechatronics
  • 1 year - 2nd cycle - Advanced Power Systems