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18. Reducing the hardware requirements in FPGA- based controllers: a photovoltaic application

Author

Mamarelis, E., Ramos-Paja, C.A., Petrone, G., Spagnuolo, G., Vitelli, M., and Giral, R

Subjects
conexión a la red, FPGA implementation, requerimiento de recursos, grid connection, Sistemas fotovoltaicos, Implementación en FPGA, resources requirement, Photovoltaic
Abstract

Single-phase grid connected photovoltaic systems suffer from voltage oscillations due to the difference between the average power produced by the source and the pulsating instantaneous power injected into the grid. Such voltage variations have a detrimental effect on the power production. This paper proposes a solution for mitigating the oscillations at the source terminals minimizing the hardware resources required to implement the technique in a FPGA device, allowing its coexistence with additional control algorithms in a single device. The effectiveness of the approach was experimentally validated, and its FPGA resources requirement was contrasted with commercial IP cores based solutions. Sistemas fotovoltaicos monofásicos experimentan oscilaciones de voltaje debido a la diferencia entre la potencia promedio generada y la potencia instantánea inyectada a la red. Estas oscilaciones de voltaje degradan la producción de potencia. Este artículo propone una solución para mitigar las oscilaciones propagadas a las terminales del generador, la cual minimiza los recursos de hardware requeridos para implementar la técnica de compensación de un dispositivo FPGA, permitiendo su coexistencia con algoritmos de control adicionales en un solo dispositivo. La efectividad de la solución se valida experimentalmente, y sus requerimientos de hardware se contrastan con soluciones basadas en plataformas comerciales.

Published
2013

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