Citas bibligráficas
Molina, C., (2023). Control secundario de tensión en sistemas eléctricos de potencia con aplicación de lógica difusa [Tesis, Universidad Nacional de Ingeniería]. http://hdl.handle.net/20.500.14076/27288
Molina, C., Control secundario de tensión en sistemas eléctricos de potencia con aplicación de lógica difusa [Tesis]. PE: Universidad Nacional de Ingeniería; 2023. http://hdl.handle.net/20.500.14076/27288
@mastersthesis{renati/713025,
title = "Control secundario de tensión en sistemas eléctricos de potencia con aplicación de lógica difusa",
author = "Molina Ordóñez, Carlos Antonio",
publisher = "Universidad Nacional de Ingeniería",
year = "2023"
}
The operation of electrical power systems requires adequate voltage levels, which depend on the reactive power supply of the generation units, reactive power compensation equipment, use of transformers with variable taps, the consumption of the loads and the contributions or withdrawals of reactive power from transmission lines. This dependence means that the voltage in the bars of an electrical system does not remain constant in time and space. The latter, because normally the bars of the electrical system are distributed in large areas. The complexity of the systems and the requirement imposed by the loads to maintain the voltage profile within narrow limits make it necessary to implement automatic voltage controls. At the beginning of the era of automatic voltage control, power generation plants, through their automatic voltage regulators, solved the voltage control problem by controlling some nodes locally. However, currently local control is no longer sufficient, so it is necessary to coordinate the actions of the different teams to jointly control the voltage and avoid voltage stability problems when voltage values fall well below what is allowed by the regulations. The objective of this thesis aims to solve this operational problem, establishing sequences of action of the various equipment that has the capacity to control tension in bars, so that they operate in a coordinated manner. For this, the theory of Fuzzy Logic is used, which is an emerging method based on linguistic rules that belongs to the area of Artificial Intelligence. To develop this work, the DigSilent PowerFactory simulation software was used to determine the sensitivity matrix and perform contingency simulations; Also, the MATLAB computing platform is used for the application of the fuzzy logic method in the secondary voltage control of an electrical power system.
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