Abstract
Transients in electric power systems are of great interest to power engineers when designing a new or maintaining an existing system. The paper deals with using hybrid system theory for modeling and simulation of an electric power system with controllers. The presented technique is rather convenient and recommended as mathematical models of transients in electric power systems with controllers in general contain both continuous and discrete components. The modeling and simulation were carried out in the modeling and simulation environment ISMA, which is briefly presented in the paper.
Highlights
Transients in electric power systems are of great interest to power engineers when designing a new or maintaining an existing system
The paper deals with using hybrid system theory for modeling and simulation of an electric power system with controllers
The modeling and simulation were carried out in the modeling and simulation environment ISMA, which is briefly presented in the paper
Summary
An electric power system (EPS) [1] is a network of elements generating, transforming (transformers, voltage stabilizers, power invertors), transmitting and distributing (power lines, feeders), and consuming (loads) electrical energy along with different controllers and protective devices. The currents, voltages and other system characteristics change over time. States of this kind are not preferred by the users since they expect the system properties to be rather constant, i.e. the power line frequency and voltage magnitude in their electrical outlets to be about, for example, 50 Hz and 220V respectively. Components of the second type, controllers and protective devices, are intended for preventing the damage or malfunction of the electrical elements by making transients less destructive, bringing the system to a quasi-steady state
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