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6th IET International Conference on Power Electronics, Machines and Drives (PEMD 2012)

DOI: 10.1049/cp.2012.0197

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A modified P&O MPPT algorithm for single-phase PV systems based on deadbeat control.

Journal article published in 2012 by Yongheng Yang ORCID, Frede Blaabjerg
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

A modified perturb and observe (P&O) algorithm is presented to improve maximum power point tracking (MPPT) performance of photovoltaic (PV) systems. This modified algorithm is applied to a single-phase PV system based on deadbeat control in order to test the tracking accuracy and its impact on the reliability of the whole system. Both simulations and experimental results show that the proposed algorithm offers a fast response as well as smaller steady-state oscillations even under low irradiance condition compared with classical methods.