Publication: PLANIFICACIÓN DE LA CAPACIDAD DE GENERACIÓN Y TRANSMISIÓN USANDO FACTORES DE SENSIBILIDAD Y CONSIDERANDO INCERTIDUMBRE EN LAS VARIABLES DE ENTRADAS, CONTINGENCIA Y RESTRICCIONES DE FLEXIBILIDAD
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Date
2018
Authors
SEPÚLVEDA ROJAS, JOAQUÍN EDUARDO
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Abstract
En esta memoria se desarrolla un modelo para resolver la plani cación de la expansión de transmisión y generación en forma conjunta, utilizando factores de sensibilidad y aplicando el método de cancelación de ujos en el problema de transmisión. El modelo incorpora además incertidumbre tanto en lademanda como en la generación, criterio de seguridad (N-1), restricciones de predespacho de forma derealizar una modelación más real del sistema e inclusión de Energías Renovables No Convencionales(ERNC).Para la validación del algoritmo se realizaron simulaciones de prueba en el sistema Garver de 6 barrasobteniendo los mismos resultados de referencias anteriores. Además, de forma de ver los efectos de lasrestricciones de predespacho se realizaron pruebas en los sistemas Garver y IEEE 118 obteniéndose enprimer lugar un aumento en los tiempos de simulación, lo que se justi ca debido a la complejidad delalgoritmo, y en segundo lugar un aumento en los costos de plani cación, lo que se justi ca debido aque las restricciones de predespacho modelan de forma más exacta el comportamiento de las unidadesgeneradoras. También se analizó el efecto de la inclusión de ERNC en la plani cación, obteniéndoseque estas tecnologías permiten lograr plani caciones más económicas.Finalmente se resolvió el problema determinístico de la plani cación de expansión del sistema eléctriconacional considerando un horizonte de 20 años y utilizando las alternativas de expansión propuestaspor la Comisión Nacional de Energía. La resolución se realizó tanto con despacho economico como conpredespacho, obteniendose que para el primero se requiere reforzar los tramos O'Higgins-Domeyko ySan Luis-Quillota. A su vez, se requiere invertir en las alternativas Maitencillo- Cardones, Polpaico-Los Almendros, Cautin Charrúa y Alto Jahuel-Polpaico. Se observa que en generacion se invierte casisolamente ERNC. Al considerar predespacho, no se obtuvo una solución debido a que el solver nologra convergencia.
The following study hinges around the development of a model that addressees the plans to expandtransmission and generation, using sensibility factors and applying the ow cancellation method inthe transmission problem. The model also incorporates uncertainty in both demand and generation,security criterion (N-1), pre-dispatch restrictions in a way to perform a more real modelling of thesystem and inclusion of Non-Conventional Renewable Energies (NCRE).For the validation of the algorithm, test simulations were performed on the 6-bar Garver system,obtaining the same results from previous references. Furthermore, in order to see the eects of thepredispatch restrictions, tests were carried out on the Garver and IEEE 118 systems, obtaining initiallyan increase in the simulation times, which is justi ed due to the complexity of the algorithm, andsecondly an increase in planning costs, which is justi ed because the predispatch restrictions modelsmore accurately the behavior of the generating units. The effect of the inclusion of NCRE in planningwas also analyzed, obtaining that these technologies allow to achieve more economic plans.Finally, the deterministic problem of planning for the expansion of the national electricity systemwas resolved, considering a 20-year horizon and using the expansion alternatives proposed by theNational Energy Commission. The resolution was made both with economic dispatch and with predispatch,obtaining that for the rst one it is necessary to reinforce the O'Higgins-Domeyko andSan Luis-Quillota sections. In turn, it is necessary to invest in alternatives to Maitencillo-Cardones,Polpaico-Los Almendros, Cautin Charrúa and Alto Jahuel-Polpaico. It is observed that in generationis invested almost only NCRE. When considering the pre-dispatch, no solution was obtained becausethe Solver did not achieve convergence.
The following study hinges around the development of a model that addressees the plans to expandtransmission and generation, using sensibility factors and applying the ow cancellation method inthe transmission problem. The model also incorporates uncertainty in both demand and generation,security criterion (N-1), pre-dispatch restrictions in a way to perform a more real modelling of thesystem and inclusion of Non-Conventional Renewable Energies (NCRE).For the validation of the algorithm, test simulations were performed on the 6-bar Garver system,obtaining the same results from previous references. Furthermore, in order to see the eects of thepredispatch restrictions, tests were carried out on the Garver and IEEE 118 systems, obtaining initiallyan increase in the simulation times, which is justi ed due to the complexity of the algorithm, andsecondly an increase in planning costs, which is justi ed because the predispatch restrictions modelsmore accurately the behavior of the generating units. The effect of the inclusion of NCRE in planningwas also analyzed, obtaining that these technologies allow to achieve more economic plans.Finally, the deterministic problem of planning for the expansion of the national electricity systemwas resolved, considering a 20-year horizon and using the expansion alternatives proposed by theNational Energy Commission. The resolution was made both with economic dispatch and with predispatch,obtaining that for the rst one it is necessary to reinforce the O'Higgins-Domeyko andSan Luis-Quillota sections. In turn, it is necessary to invest in alternatives to Maitencillo-Cardones,Polpaico-Los Almendros, Cautin Charrúa and Alto Jahuel-Polpaico. It is observed that in generationis invested almost only NCRE. When considering the pre-dispatch, no solution was obtained becausethe Solver did not achieve convergence.
Description
Catalogado desde la version PDF de la tesis.
Keywords
CAPACIDAD DE GENERACION , CAPACIDAD DE TRANSMISION , FACTORES DE SENSIBILIDAD , VARIABLES DE ENTRADAS
