INVESTIGADORES
MOLINA Marcelo Gustavo
congresos y reuniones científicas
Título:
Modeling and Simulation of Grid-Connected Photovoltaic Energy Conversion Systems
Autor/es:
ESPEJO, EMANUEL J.; MOLINA, MARCELO GUSTAVO
Lugar:
Córdoba
Reunión:
Congreso; 4º Congreso Iberoamericano de Hidrógeno y Fuentes Sustentables de Energía: HYFUSEN 2013; 2013
Institución organizadora:
Instituto de Energía y Desarrollo Sustentable - Comisión Nacional de Energía Atómica
Resumen:
In recent years, electricity generations provided by wind power (WP) and photovoltaic (PV) plants have received significant attention worldwide. However, when a large number of renewable-power generating stations access the power grid, the necessity of maintaining the power quality of utility- and microgrid power systems appears as a major issue. This includes the stabilization of islanding/interconnected systems, the smoothing of output fluctuation of renewable sources, the quantifying of economics of new-energy generation and the effective integration with intelligent multiuser power system, among others. Indeed, WP and PV generations alone cannot be sufficient to satisfy the power-quality requirements in the modern power systems. A possible way to solve the above-mentioned issues is to integrate energy storage with modern power electronic controllers into the electric grid. In this sense, lithium-ion batteries arise as a promising technology able to enhance the reliability and quality of power that is delivered to customers, especially because of the rapid penetration in developed countries of hybrid and electric vehicles in the last years. This paper discusses the dynamic performance of a modern power electronic controller with Li-ion battery energy storage for improving the power quality of distribution systems. Modeling and control approaches are proposed, including a detailed modeling of the li-ion battery ESS device. The multi-level control technique proposed is based on the instantaneous power theory on the synchronous-rotating d-q reference frame. Validation of models and control schemes is carried out through simulations by using SimPowerSystems of MATLAB. The results obtained demonstrate the good performance of the multilevel controller as well as the benefits of its use in the distribution level power quality.