A Novel Module Independent Straight Line-Based Fast Maximum Power Point Tracking Algorithm for Photovoltaic Systems

Anjan Debnath, Temitayo O. Olowu, Imtiaz Parvez, Md Golam Dastgir and Arif Sarwat
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Anjan Debnath: Electrical and Computer Engineering, Florida International University, 10555 W Flagler St, Miami, FL 33174, USA
Temitayo O. Olowu: Electrical and Computer Engineering, Florida International University, 10555 W Flagler St, Miami, FL 33174, USA
Imtiaz Parvez: Electrical and Computer Engineering, Florida International University, 10555 W Flagler St, Miami, FL 33174, USA
Md Golam Dastgir: Electrical and Computer Engineering, Florida International University, 10555 W Flagler St, Miami, FL 33174, USA
Arif Sarwat: Electrical and Computer Engineering, Florida International University, 10555 W Flagler St, Miami, FL 33174, USA

Energies, 2020, vol. 13, issue 12, 1-15

Abstract: The maximum power point tracking (MPPT) algorithm has become an integral part of many charge controllers that are used in photovoltaic (PV) systems. Most of the existing algorithms have a compromise among simplicity, tracking speed, ability to track accurately, and cost. In this work, a novel “straight-line approximation based Maximum Power Point (MPP) finding algorithm” is proposed where the intersections of two linear lines have been utilized to find the MPP, and investigated for its effectiveness in tracking maximum power points in case of rapidly changing weather conditions along with tracking speed using standard irradiance and temperature curves for validation. In comparison with a conventional Perturb and Observe ( P&O ) method, the Proposed method takes fewer iterations and also, it can precisely track the MPP s even in a rapidly varying weather condition with minimal deviation. The Proposed algorithm is also compared with P&O algorithm in terms of accuracy in duty cycle and efficiency. The results show that the errors in duty cycle and power extraction are much smaller than the conventional P&O algorithm.

Keywords: linear approximation; MPPT algorithm; duty cycle; global horizontal irradiance; mathematical modeling (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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