PV Array Reconfiguration for Three Level PV Water Pumping System

R. Jain, V. Barry, G. Varma
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引用次数: 0

Abstract

This work proposes a reconfiguration-based 2-stage 3-level PV-based water pumping system. The proposed reconfiguration method enhances the PV power during partial shading conditions (PSC). Besides, the modified MPPT algorithm extracts the enhanced PV output power from the Total Cross Tied (TCT) PV array. Two inverters produce the 3-level output voltage, which improves the THD of the motor phase current. The sliding mode control approach regulates dc-link voltage. The speed of the open end winding induction motor (OEWIM) is controlled using the $V/f$ method, whereas the speed reference is obtained using the PV power feedforward term and sliding mode control. The proposed system performance is validated using the MATLAB simulink, and obtained results are pretty satisfactory.
三级光伏水泵系统的光伏阵列重构
本文提出了一种基于重构的2级3级pv抽水系统。提出的重构方法提高了部分遮阳条件下的光伏功率。此外,改进的MPPT算法从TCT (Total Cross - Tied)光伏阵列中提取增强的光伏输出功率。两个逆变器产生3级输出电压,提高了电机相电流的THD。滑模控制方法调节直流电压。采用$V/f$方法控制开放式绕组异步电动机的转速,而采用PV功率前馈项和滑模控制获得转速参考。利用MATLAB simulink对所提出的系统性能进行了验证,得到了令人满意的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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