This work is aimed at achieving a simple and reduced-cost configuration of photovoltaic (PV) water pumping system (PVWPS) using an induction motor with high efficiency. The proposed PV system is composed of two stages of converters which the first one ensures the maximum power point by controlling the duty ratio of boost converter using variable step size incremental conductance (VSS INC) technique. Fuzzy logic control based on direct torque control is proposed to serve the purpose of operating an induction motor. Moreover, the combining of these proposed control strategies has been never discussed. The proposed control scheme is modeled and simulated in detail under MATLAB/Simulink software to evaluate its performance under fast variations of irradiance and daily climatic profile. The obtained simulation results using the suggested control strategies are compared to those using the most used method in the literature (variable step size perturb and observe (VSS PO pumped water, flux ripples, and the stator currents are reduced.

中文翻译：

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使用感应电机的高性能独立光伏抽水系统

这项工作旨在使用高效感应电机实现光伏 (PV) 抽水系统 (PVWPS) 的简单且低成本的配置。提议的光伏系统由两级转换器组成，第一级通过使用可变步长增量电导 (VSS INC) 技术控制升压转换器的占空比来确保最大功率点。提出了基于直接转矩控制的模糊逻辑控制来服务于操作感应电机的目的。此外，从未讨论过这些提议的控制策略的组合。所提出的控制方案在 MATLAB/Simulink 软件下进行了详细建模和仿真，以评估其在辐照度和日常气候剖面快速变化下的性能。