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An investigation of new control method for MPPT in PV array using DC/DC buck - boost converter

机译:DC / DC降压 - 升压转换器对光伏阵列MPPT新控制方法的研究

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In this paper, solar radiation simulation using clearness index kt, hour of day ωs and day of year n is studied. Daily distributions of solar radiation are presented for various clearness indexes kt. Additionally, taking into the studies about solar radiation, a photovoltaic array system and a DC/DC buck - boost converter are studied. Simulation of the whole system is presented focusing on DC/DC converter's control strategy so that the system operates in maximum power point (MPP) and converter's output voltage remains constant. Incremental conductance algorithm is used for maximum power point tracker (MPPT) implementation. A simplest method for controlling duty cycle D and photovoltaic array's voltage by using a new variable d=D/1-D is proposed. Simulation results are shown and analyzed
机译:本文研究了使用晴度指数KT,日期ωs和一年N日使用的太阳辐射仿真。为各种透明指标鉴于KT提供日常的太阳辐射分布。此外,研究了关于太阳辐射的研究,研究了光伏阵列系统和DC / DC降压 - 升压转换器。整个系统的仿真专注于DC / DC转换器的控制策略,使系统在最大功率点(MPP)和转换器的输出电压保持恒定。增量电导算法用于最大功率点跟踪器(MPPT)实现。提出了一种通过使用新变量D = D / 1-D来控制占空比D和光伏阵列电压的最简单方法。显示和分析了仿真结果

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