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A photovoltaic generator system with a DC/DC converter based on an integrated Boost-Cuk topology

机译:具有基于集成Boost-Cuk拓扑的DC / DC转换器的光伏发电系统

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A new non-isolated DC-DC converter for photovoltaic systems is proposed in this paper. This converter topology is characterized by an integration of the classical Boost and Cuk DC-DC converters. The proposed topology requires only a single power semiconductor switch, reduces voltage stress across diodes and power semiconductor switch while providing a continuous input current. Further, this topology allows extending the voltage static gain when compared with the conventional Boost converter. The new converter is regulated by a PWM technique at constant frequency that can be associated to a maximum power point tracking algorithm. Herein, the design considerations of this power converter are presented, and the characteristics of the proposed topology are confirmed by simulations and experiment results from a laboratory prototype. (C) 2016 Elsevier Ltd. All rights reserved.
机译:本文提出了一种用于光伏系统的新型非隔离式DC-DC转换器。这种转换器拓扑的特点是经典的Boost和Cuk DC-DC转换器的集成。提出的拓扑仅需要单个功率半导体开关,就可在提供连续输入电流的同时,降低二极管和功率半导体开关两端的电压应力。此外,与传统的Boost转换器相比,这种拓扑结构可以扩展电压静态增益。新的转换器通过PWM技术以恒定频率进行调节,该频率可以与最大功率点跟踪算法关联。在此,提出了该功率转换器的设计考虑,并通过实验室原型的仿真和实验结果证实了所建议拓扑的特性。 (C)2016 Elsevier Ltd.保留所有权利。

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