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An improved current feedback based maximum power point tracking controller for solar photo-voltaic system

机译:一种改进的基于电流反馈的太阳能光伏系统最大功率点跟踪控制器

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摘要

Maximum power point tracking (MPPT) technique with improved current feedback has been proposed for solar photo-voltaic system in this work. A proportional integral derivative (PID) type controller with online set-point adjustment has been designed. The parameters of PID controller have been tuned using relay tuning method. Performance of this technique has been compared with perturb and observe (P & O) method of maximum power point tracking (MPPT). Matlab/Simulink model of solar photo-voltaic system and boost converter with proposed maximum power point tracking (MPPT) technique and perturb and observe maximum power point tracking (MPPT) technique has been designed. Simulation results showed the superiority of proposed method for tracking maximum power point (MPP) under rapidly varying solar radiations as compared to P & O maximum power point tracking (MPPT) technique.
机译:在这项工作中,已经提出了具有改进的电流反馈的最大功率点跟踪(MPPT)技术。设计了具有在线设定点调整功能的比例积分微分(PID)型控制器。 PID控制器的参数已使用继电器调整方法进行了调整。该技术的性能已与最大功率点跟踪(MPPT)的摄动观察(P&O)方法进行了比较。利用提出的最大功率点跟踪(MPPT)技术和扰动观察最大功率点跟踪(MPPT)技术设计了太阳能光伏系统和升压变换器的Matlab / Simulink模型。仿真结果表明,与P&O最大功率点跟踪(MPPT)技术相比,该方法在快速变化的太阳辐射下跟踪最大功率点(MPP)的方法具有优越性。

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