Cascaded DC-DC Converters as a Battery Charger and Maximum Power Point Tracker for PV Systems
Cascaded DC-DC Converters as a Battery Charger and Maximum Power Point Tracker for PV Systems
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级联 DC-DC 转换器作为光伏系统的电池充电器和最大功率点跟踪器
DOI：
10.1109/irsec.2013.6529642
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发表时间：
2013
期刊：
影响因子：
--
通讯作者：
J. Selvaraj
中科院分区：
文献类型：
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作者：
A. E. El Khateb;N. Rahim;J. Selvaraj
本文介绍了一种级联DC-DC转换器，它结合了Cuk和降压转换器拓扑结构，从光伏阵列中提取最大功率，同时向电池提供受控的恒定电流/电压。转换器使用两个控制信号;一个用于最大功率点跟踪，另一个用于电池充电器控制，为电池提供恒定电流/电压。该转换器的优点是提取光伏阵列的最大功率，避免了可变MPPT电压引起的电池损坏。电池需要恒定的电压和电流进行充电，以避免损坏并延长其使用寿命。因此，同时使用两个控制信号来联合收割机电池充电器控制和最大功率开发是可靠的。
This paper introduces a cascaded dc-dc converter which combines both Ćuk and buck converter topologies to extract maximum power from photovoltaic arrays while supplying a controlled constant current/voltage to the battery simultaneously. The converter uses two control signals; one for maximum power point tracking, another for battery charger control providing constant current/voltage to the battery. The advantage of this converter is extracting the maximum power of the PV array avoiding battery damage caused by variable MPPT voltage. Batteries need constant voltage and current for charging to avoid the damage and to extend its lifetime. Therefore, it is reliable to combine the battery charger control and the maximum power exploitation using two control signals simultaneously.