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Incorporación de transformadores y cargas en triángulo a flujo de cargas extendido para sistemas trifásicos desequilibrados

Authors: Lorente Robles, Álvaro M.;

Incorporación de transformadores y cargas en triángulo a flujo de cargas extendido para sistemas trifásicos desequilibrados

Abstract

Este trabajo muestras como complementar un flujo de cargas novedoso para redes desequilibradas a cuatro hilos ya desarrollado en TFMs anteriores incorporando distintos regímenes de puesta a tierra en cualquier punto, configuraciones de cargas en triángulo y modelos trifásicos de transformadores. En los primeros capítulos se introduce de manera resumida dicho flujo de carga novedoso, primero introduciendo el método estándar y posteriormente añadiendo las modificaciones realizadas. Posteriormente se detalla su uso para el caso de redes trifásicas a 4 hilos y se añaden las modificaciones necesarias para la implementación de los diferentes modelos de transformadores propuestos así como del tipo de carga con conexión en triángulo. Una vez definidas estas modificaciones, se parte del algoritmo desarrollado en el software MATLAB en trabajos anteriores y se añaden las modificaciones planteadas en los capítulos anteriores. Utilizando este algoritmo modificado se procede a la validación de casos simples para los diferentes tipos de configuraciones de transformadores, diferentes regímenes de puesta a tierra y probando también las configuraciones de cargas conectadas en triángulo con desequilibrios. Esto resultados son validados utilizando el software libre OpenDSS. En el último capitulo se realiza un estudio comparativo entre el tipo de cargas conectadas en triángulo y estrella para una red más extensa y real. En esta red se añade también la presencia de un transformador en cabecera.

This project shows how to complement a novel load flow for unbalanced four-wire networks already developed in previous master thesis incorporating different grounding connections at any point, delta load configurations and three-phase transformer models. In the first chapters, this novel load flow is introduced in a summary manner, first by introducing the standard method and then adding the modifications made. Subsequently, its use is detailed for the case of three-phase 4-wire networks and the necessary modifications are added for the implementation of the different proposed transformer models as well as the type of load with a delta connection. Once these modifications have been defined, the algorithm developed in the MATLAB software in previous works is based and the modifications proposed in the previous chapters are added. Using this modified algorithm we proceed to the validation of simple cases for the different types of transformer configurations, different grounding regimes and also testing the configurations of loads connected in delta with imbalances. These results are validated using the free OpenDSS software. In the last chapter a comparative study is carried out between the type of loads connected in delta and star for a more extensive and real network. In this network, the presence of a transformer in the header is also added. 7

Universidad de Sevilla. Máster en Ingeniería Industrial

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Spain
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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