Abstract
A significant growth in solar photovoltaic (PV) installation has observed during the last decade in standalone and grid-connected power generation systems. The solar PV system has a non-linear output characteristic because of weather intermittency, which tends to have a substantial effect on overall PV system output. Hence, to optimize the output of a PV system, different maximum power point tracking (MPPT) techniques have been used. But, the confusion lies while selecting an appropriate MPPT, as every method has its own merits and demerits. Therefore, a proper review of these techniques is essential. A “ Google Scholar ” survey of the last five years (2015-2020) was conducted. It has found that overall seventy-one review articles are published on different MPPT techniques; out of those seventy-one, only four are on uniform solar irradiance, seven on non-uniform and none on hybrid optimization MPPT techniques. Most of them have discussed the limited number of MPPT techniques, and none of them has discussed the online and offline under uniform and hybrid MPPT techniques under non-uniform solar irradiance conditions all together in one. Unfortunately, very few attempts have made in this regard. Therefore, a comprehensive review paper on this topic is need of time, in which almost all the well-known MPPT techniques should be encapsulated in one paper. This article focuses on classifications of online, offline, and hybrid optimization MPPT algorithms, under the uniform and non-uniform irradiance conditions. It summarizes various MPPT methods along with their mathematical expression, operating principle, and block diagram/flow charts. This research will provide a valuable pathway to researchers, energy engineers, and strategists for future research and implementation in the field of maximum power point tracking optimization.
Highlights
Global warming, fossil fuel shortage and political instability in major fuel-supplying countries and per-unit cost reduction in power generation from renewable energy technologies (RETs) have led to the conception that it can fulfilThe associate editor coordinating the review of this manuscript and approving it for publication was Moin Hanif .continuously growing energy demands
‘‘Google Scholar’’ survey for last five years was conducted from 2015 to 2020 to investigate how many review article has been published on ‘‘Maximum Power Point Tracking’’ and ‘‘Maximum Power Point Tracking Under Uniform Solar Irradiations’’, ‘‘Under Non-Uniform Solar Irradiation’’ and ‘‘Hybrid Optimization maximum power point tracking (MPPT)’’ On the first search on Maximum Power Point Tracking, we found seventy-one review articles when the search was specified and narrowed to ‘‘Uniform Solar Irradiations’’ four review papers, on ‘‘Non-Uniform Solar Irradiation’’ seven and on ‘‘Hybrid Optimization MPPT’’ no review articles were found
To fetch the maximum power from the PV system under uniform and non-uniform, shading conditions, MPPT is used as a power electronics interface
Summary
Fossil fuel shortage and political instability in major fuel-supplying countries and per-unit cost reduction in power generation from renewable energy technologies (RETs) have led to the conception that it can fulfilThe associate editor coordinating the review of this manuscript and approving it for publication was Moin Hanif .continuously growing energy demands. A. Ali et al.: Investigation of MPPT Techniques Under Uniform and Non-Uniform Solar Irradiation Condition–A Retrospection solar photovoltaic (PV) is a promising power generation option for sustainable energy development. Due to the seasonal weather conditions and the non-linear nature of solar irradiance, solar power generation significantly fluctuates, requiring a hybrid application or backup systems [3]. In order to increase the PV system efficiency, the maximum power point tracking (MPPT) method is considered an essential component of the PV system. Because of PV array non-linear characteristics, it is inevitable to design an efficient maximum power point tracking that is high in efficiency and optimizes the output power of the solar power system [1].
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