DISEÑO DE UN SISTEMA DE CONVERSIÓN DE ENERGÍA ELÉCTRICA A PARTIR DE FUENTES RENOVABLES
##plugins.themes.bootstrap3.article.main##
Resumen
Resumen: Este artículo presenta el diseño de un convertidor de baja potencia para aprovechamiento de energía solar, mediante un convertidor DC-AC que acondiciona e inyecta la energía eléctrica a la red comercial. Se utiliza un inversor puente completo monofásico acoplado a un filtro LCL y un transformador de aislamiento de baja frecuencia. El sistema es identificado mediante el modelo de estado promediado y de pequeña señal, se utiliza un control en cascada sintonizado mediante la asignación de polos y un algoritmo de seguimiento de máxima potencia de tipo perturbar y observar que permite aumentar la eficiencia del sistema operando en el punto óptimo de funcionamiento del panel solar. En este artículo se dimensiona el filtro empleado, así como el diseño de la estructura de control para garantizar estabilidad ante perturbaciones en el sistema.
Â
Abstract: This paper presents a low power converter design for solar energy applications, using a DC-AC converter that adjust and injects electrical energy to the grid. Single-phase full-bridge inverter is used coupled to a LCL filter and a low frequency isolation transformer. The system is identified using a state space averaged and small-signal model, also is using a cascade control tuned by a pole placement and the perturbation and observation maximum power point tracker algorithm which allow to increase the efficiency of a system because it works in the optimum operating point of the solar panel. In this design is describing technical aspects for the sizing of the filter used, and the design of the control structure to ensure stability in the presence of perturbations in the system.
Descargas
Descargas
Detalles del artículo
Citas
Majid Jamil, Sheeraz Kirmani, Mohammad Rizwan, "Techno-Economic Feasibility Analysis of Solar Photovoltaic Power Generation: A Review", Smart Grid and Renewable Energy,Vol. 3 No. 4, 2012, pp. 266-274.
González-Medina, R., Patrao, I., Garcerá, G. and Figueres, E. "A low-cost photovoltaic emulator for static and dynamic evaluation of photovoltaic power converters and facilities". Prog. Photovolt: Res. Appl. doi: 10.1002/pip.2243, 2012.
Dushan Boroyevich, Igor Cvetkovic, Rolando Burgos, and Dong Dong, "Intergrid: A Future Electronic Energy Network?", IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol.1 No.3, 2013, pp. 127-138.
Óscar Lucía, Igor Cvetkovic, Héctor Sarnago, Dushan Boroyevich, Paolo Mattavelli and Fred C. Lee, "Design of Home Appliances for a DC-Based Nanogrid System: An Induction Range Study Case", IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol. 1, No. 4, 2013, pp. 315-326.
Soeren Baekhoej Kjaer, John K. Pedersen and Frede Blaabjerg, "A Review of Single-Phase Grid-Connected Inverters for Photovoltaic Modules", Industry Applications, IEEE Transactions on, Vol. 41, No. 5, 2005, pp. 1292-1306.
Marco Liserre, Frede Blaabjerg, Steffan Hansen, "Design and Control of an LCL-Filter-Based Three-Phase Active Rectifier", Industry Applications, IEEE Transactions on, Vol. 41, No. 5, 2005, pp.1281-1291.
Marcos Pascual, Gabriel Garcerá, Emilio Figueres, Francisco González-Espín., "Robust Model-Following Control of Parallel UPS Single-Phase Inverters", Industrial Electronics, IEEE Transactions on, Vol. 55, No. 8, 2008, pp. 2870-2883.
Tsai-Fu Wu, Chia-Ling Kuo, Kun-Han Sun, and Hui-Chung Hsieh, "Combined Unipolar and Bipolar PWM for Current Distortion Improvement During Power Compensation", Power Electronics, IEEE Transactions on, Vol. 29, No. 4, 2014, pp. 1702-1709.
Tang, W.; Lee, F.C.; Ridley, R.B., "Small-signal modeling of average current-mode control," Applied Power Electronics Conference and Exposition, 1992. APEC '92. Conference Proceedings 1992., Seventh Annual, vol., no., pp.747-755, 23-27 Feb. 1992.
Cooke, P., "Modeling average current mode control [of power convertors]," Applied Power Electronics Conference and Exposition, 2000. APEC 2000. Fifteenth Annual IEEE, Vol.1, no., pp.256-262.
Khluabwannarat, P.; Thammarat, C.; Tadsuan, S. ; Bunjongjit, S., "An analysis of iron loss supplied by sinusoidal, square wave, bipolar PWM inverter and unipolar PWM inverter", Power Engineering Conference, 2007. IPEC 2007. International Publication Year: 2007, Page(s): 1185 - 1190.
J.C. Crebier, J.P. Ferrieux, "PFC full bridge rectifiers EMI modelling and analysis-common mode disturbance reduction," Power Electronics, IEEE Transactions on, vol.19, no.2, pp. 378-387, March 2004.
Van de Sype DM et al. Small-Signal Laplace Analysis of Uniformly-Sampled Pulse-Width Modulators. In: 35th Annual IEEE power Electronics Specialists Conference, Aachen, Germany, June 2004.
Figueres E, Garcerá G, Sandia J, González-Espín F, Calvo Rubio J, Sensitivity Study of the Dynamics of Three-Phase Photovoltaic Inverters With an LCL Grid Filter, IEEE Trans Ins. Electron 2009; 56(3):706-717.
Ortega, R.; Trujillo, C.L.; Garcera, G.; Figueres, E.; Carranza, O., "A PI-P+Resonant controller design for single phase inverter operating in isolated microgrids", Industrial Electronics (ISIE), 2012 IEEE International Symposium on , vol., no., pp.1560,1565, 28-31 May 2012.
Rubens M. Santos Filho, Paulo F. Seixas, Porfírio C. Cortizo, Leonardo A. B. Torres, and André F. Souza, "Comparison of Three Single-Phase PLL Algorithms for UPS Applications". Ieee Transactions on Industrial Electronics, Vol. 55, No. 8, AUGUST 2008. pp. 2923-2932.
Khaehintung, N.; Wiangtong, T.; Sirisuk, P., "FPGA Implementation of MPPT Using Variable Step-Size P&O Algorithm for PV Applications," Communications and Information Technologies, 2006. ISCIT '06. International Symposium on, vol., no., pp.212-215, Oct. 18 2006-Sept. 20 2006.