ANÁLISIS Y SIMULACIÓN DE UN SISTEMA FOTOVOLTAICO INTERCONECTADO A UNA RED DISTRIBUIDA EN BAJA TENSIÓN (ANALISIS AND SIMULATION OF A PHOTOVOLTAIC SYSTEM FOR A LOW VOLTAGE DISTRIBUTED NETWORK)
Resumen
Este trabajo presenta el análisis y la simulación de un sistema fotovoltaico de 5 kW interconectado a una red de distribución de baja tensión trifásica. El sistema se compone de un inversor fuente de voltaje de trifásico, una red trifásica de 220V, y una carga estrella con factor de potencia unitario. El análisis del panel solar, el inversor, y la interacción con la red se describe mediante modelos analógicos de comportamiento. Los resultados de simulación muestran la respuesta esperada del sistema de generación distribuida (GD) en condiciones de operación nominal y bajo un transitorio de irradiancia solar. El análisis presentado puede generalizarse y adaptarse para emular la respuesta de sistemas fotovoltaicos interconectados a la red de diferente rango de potencia.
Palabras Clave: Generación distribuida, Inversor trifásico, Sistema fotovoltaico.
Abstract
This work presents the analysis and simulation of a 5 kW photovoltaic system connected to a low voltage three-phase distribution grid. The system consists of a three-phase voltage source inverter, a 220V three-phase grid, and a star-connected load with a unity power factor. The analysis of the solar panel, the inverter, and the interaction with the grid is described using analog behavioral models. Simulation results demonstrate the expected response of the distributed generation (DG) system under nominal operating conditions and during a transient of solar irradiance. The presented analysis can be generalized and adapted to emulate the response of grid-connected photovoltaic systems of different power ranges.
Keywords: Distributed generation, Photovoltaic system, Three-phase inverter.
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