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A Weighted-Efficiency-Oriented Design Methodology of Flyback Inverter for AC Photovoltaic Modules

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3 Author(s)
Nanakos, A.C. ; Dept. of Electr. & Comput. Eng., Univ. of Patras, Rion-Patras, Greece ; Tatakis, E.C. ; Papanikolaou, N.P.

An innovative design methodology that optimizes the weighted efficiency of a single-phase, single-stage flyback inverter for ac-photovoltaic (PV) module applications is proposed. This novel approach combines the essential advantages of the flyback topology with high-efficiency design in the direction of a reliable, cost-effective, and high-performance PV system. The proposed methodology focuses exclusively on choosing the inverter design parameters, taking into consideration the PV module characteristics and the topology operation constraints. In order to meet this goal, an analytical losses calculation should be performed. Since the problem is complicated, special effort is given to manipulate the equations and variables in such a way to minimize the number of parameters. The proposed methodology is also verified experimentally.

Published in:

Power Electronics, IEEE Transactions on  (Volume:27 ,  Issue: 7 )