

TEACHING
INTEREST
Spanish version
Teaching interest of Francisco M. GonzálezLongatt
Main teaching
interests include:

Electric circuit analysis.
Concepts and analysis techniques.
Those are fundamentals to the
analysis for the analysis of linear
electrical circuit models. Circuit
laws, including Kirchhoff’s current
and voltage laws. Thévenin’s theorem
and Norton’s theorem; the Principle
of Superposition. Analysis of DC
circuits. Use of differential
equations to analyse the transient
response of first and second order
circuits. Techniques and principles
of linear circuit analysis,
sinusoidal excitation, phasors and
frequency response. AC circuits,
threephase circuits and AC power
calculations 

Theory of control and linear system.
Basic approaches and methods for
analysis and design of control
systems based on the classical
concepts of transfer function,
timedomain and frequency domain
characteristics. Introduction to the
statespace description of systems
and their fundamental properties
(stability, controllability,
observability), as well as the
poleplacement design and the
linearquadratic design of control
systems. 

Fundamental of energy transport.
Introduction of energy transport:
Over head transmission.
Determination of electrical
parameter of overhead transmission
lines: resistance, inductance and
capacitance. Voltage induced by
power lines over communication
circuits. Impedance series and
admittance shunt in transmission
lines: transposed of not.
Steadystate performance of
transmission lines: voltage
regulations, losses, diagram of
operation. Travelling waves in
transmission lines. Introduction to
overvoltage in transmission systems.


Power system analysis fundamentals.
Per unit system, representation and
modelling of power system elements.
Symmetrical components and
applications, transmission line
theory and power flow; introduction
to voltage control; economic
dispatch; introduction to power
system stability.


Computer Modelling of Power Systems.
Discuss and describe the methods now
used in the electric power industry
to electrical engineering.
Mathematical formulations and
programming/implementation of
algorithms related to solve
electrical networks, both large and
small. A strong emphasis is done in
programming. Network topology,
matrix algebra, solution of linear
systems of equations. Building power
system matrices, numeric methods for
space matrices. Solution of
nonlinear system of equations,
programming load flow,
voltagecontrolled buses,
transformer tap ratios,
constrained/optimal load flow.
Symmetrical Components, sequence
impedance matrix and shortcircuit
analysis. Numerical Integration
methods. The swing equation,
systemlevel stability analysis and
introduction to transient analysis,
time domain simulations.


Power system dynamics.
Stateoftheart issues in
interconnected power system dynamic
behaviour and analysis of control
measures for stability. Power system
stability – basic concepts,
modelling of synchronous machines
and associated controls, modelling
of transmission system,
smalldisturbance stability,
largedisturbance (transient)
stability, voltage stability and
power system dynamic security.


Distributed generation and renewable
energy sources. Introduction of
the distributed generation (DG).
Technologies available for
distributed generation, basic
principles of operation, elements
and classification, efficiency and
costs: Photovoltaic, wind power,
small hydro, fuel cells, micro
turbines, geothermal, wave and
biomass. Methods to estimate the
renewable energy available.
Management of combined heat and
power (CHP). Microgrid concept.
Modelling and simulation
considerations. Issues of
integration and interconnection.
Technical impact in steady state and
dynamic behaviour. Aspects economic
and sitting studies.




12nd May of 2009

