A Real-time Simulation Platform for Maximum Power Point Tracking Algorithm Study in Solar Photovoltaic System

Meng Chung Tiong, Hamdan Daniyal, Mohd Herwan Sulaiman, Mohd Shafie Bakar, Suliana Ab Ghani

Abstract

This paper presents the application of controller hardware-in-the-loop (C-HIL) for real-time study of maximum power point tracking (MPPT) algorithm in solar photovoltaic (PV) system. The testing platform in this study which consist of three series connected PV modules together with a DC/DC boost converter were modelled and implemented using Tyhoon HIL-402. For the MPPT controller, a conventional perturb and observe (P&O) and a well-established particle swarm optimization (PSO) based MPPT algorithm are developed and implemented in a digital signal processor. The performance of both algorithms were examined under real-time working condition with 10 different partial shaded test cases. From the study, the P&O shows a faster convergence speed which it can track for maximum power point rapidly up to 0.5070 s compared to the fastest tracking of PSO at 1.3598 s. However, PSO shows a greater capability in tracking for true maximum power point under partial shaded conditions with average output efficiency up to 99.92% compared to P&O which is only 76.76%.

Keywords

DSP; HIL; Maximum power point tracking; Photovoltaic; Real-time simulation.

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