El complejo industrial de Smurfit Kappa Colombia (SKC) localizado en la ciudad de Yumbo, se ha visto en la necesidad de realizar innovaciones tecnologicas debido a los altos estandares de competencia en el sector papelero tanto a nivel nacional como internacional, que le permitan ser competitivo en su entorno. A raiz de esto, la empresa necesita disponer de una alta confiabilidad en sus principales fuentes energeticas garantizando la disponibilidad el mayor numero de horas – dia posible. Por lo anterior se identifica que en el area electrica de la compania existe la dificultad de reconectarse segura y rapidamente al suministro del Sistema Interconectado Regional (SIR) cuando ha ocurrido un evento que hace que la planta se vea obligada a operar aislada de el. Esto causa grandes perturbaciones en la produccion ya que algunas plantas internas dejan de operar porque el suministro electrico propio de la compania no cubre la demanda requerida para mantener operativo todo el complejo.
Teniendo en cuenta lo anterior se propone el diseno del control para un sincronizador automatico el cual integrara las variables analogas, discretas y de control del generador y las barras involucradas, para llevar a cabo un sincronismo efectivo y seguro en menor tiempo; por medio del control de las condiciones a las cuales se debe llevar el generador para tal fin, ejerciendo la regulacion de su velocidad y voltaje para igualarlo con las condiciones de la red
The present work consists of deducing the point kinetics model considering neutron absorber poisons from the neutron diffusion equation. When considering poisons products, the non-linear system has different orders of magnitude in short and long time scales. The first one represents operational reactor control, whereas the second is due to the change of the chemical composition of the nuclear fuel as a result of burn-up. This represents a first step in a new direction, as it shows how we arrived at the extension of the point kinetics model considering Xenon-135 and Samarium-149 poisons. The non-linear system is solved using the Adomian decomposition method that expands the non-linear terms into an infinite series, obtaining a recursive system, where the recursion initialization is a homogeneous linear equation and the subsequent recursion steps consider the non-linear contributions as source terms constructed from previous recursion steps. The formulation of the source terms of the decomposition method is shown. In order to demonstrate the robustness of the current approach to this type of problem, case studies are presented where nuclear fuel uses reused elements up to third generation, taking a step in a new direction where poisons are already present in the reactor initially.
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