A Novel PID-AW based MPPT technique for SPV system

Yagyadatta Goswami, K. Rana, Vineet Kumar
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Abstract

Various of MPPT (maximum power point tracking) techniques have been used to draw the maximum power output from solar photovoltaic (SPV) systems. Two popular classical MPPT techniques e.g. perturb and observe (P&O) and incremental conductance (IC) have applied for best optimized results. Shortcoming of P&O and IC is of oscillations around the maximum power point (MPP). A proportional integral derivative -based dp/dv with Anti-windup (PID-AW) controller is proposed to counter the oscillations around MPP. The proposed technique is based on the classical model of the PID controller that leads to integral saturation. PID controller requires anti-windup (AW) that limit the controller’s integral action to avoid the undesirable windup phenomenon. The performance parameters of the PID-AW controller are ripples in power output, offset and ITAE under standard test conditions (STC). The proposed technique is used to strengthen the capability of classical PID, P&O and IC algorithm. Presented MATLAB®/Simulink® based simulations proves the superiority of PID-AW MPPT technique in comparison to the classical PID, conventional P&O and IC algorithm.
一种新的基于PID-AW的SPV系统MPPT技术
各种最大功率点跟踪(MPPT)技术被用于获取太阳能光伏(SPV)系统的最大功率输出。两种流行的经典MPPT技术,即摄动和观察(P&O)和增量电导(IC)被应用于最佳优化结果。P&O和IC的缺点是在最大功率点附近存在振荡。针对MPP周围的振荡,提出了一种基于比例积分导数的dp/dv带抗上弦(PID-AW)控制器。该方法是基于PID控制器导致积分饱和的经典模型。PID控制器需要抗卷动(anti-windup, AW)来限制控制器的整体动作,以避免不良的卷动现象。PID-AW控制器在标准测试条件(STC)下的性能参数为输出功率波纹、偏置和ITAE。该方法可用于增强传统PID、P&O和IC算法的性能。基于MATLAB®/Simulink®的仿真验证了PID- aw MPPT技术相对于经典PID、传统P&O和IC算法的优越性。
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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