Evaluation of perturb and observe MPPT algorithm implementation techniques
作者： M.A. Elgendy , B. Zahawi , D.J. Atkinson
DOI: 10.1049/CP.2012.0156
关键词:
摘要: Because of its simplicity and ease implementation, the perturb observe (P&O) algorithm is most commonly applied maximum power point tracking (MPPT) control scheme in photovoltaic (PV) applications. Two techniques are usually used for implementing P&O algorithm: reference voltage perturbation where a value PV generator output as parameter direct duty ratio MPPT converter directly parameter. This paper presents an experimental comparison between these two when system feeding resistive load. The influence step size speed at which perturbed investigated. various advantages drawbacks each technique identified energy utilization efficiency calculated different weather conditions. Practical results obtained using 540Wp setup show very good agreement with numerical simulations. (6 pages)
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