Journal ArticleDOI
Zero Oscillation and Irradiance Slope Tracking for Photovoltaic MPPT
Francisco Paz,Martin Ordonez +1 more
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TLDR
The proposed zero-oscillation adaptive step P&O strategy combines three techniques to improve steady-state behavior and transient operation and achieves superior overall performance while maintaining simplicity of implementation.Abstract:
Maximum power point tracking (MPPT) strategies in photovoltaic (PV) systems ensure efficient utilization of PV arrays. Among different strategies, the perturb and observe (PO 2) identification of the irradiance change through a natural perturbation; and 3) a simple multilevel adaptive tracking step. Two key elements, which form the foundation of the proposed solution, are investigated: 1) the suppression of the artificial perturb at the MPP; and 2) the indirect identification of irradiance change through a current-monitoring algorithm, which acts as a natural perturbation. The zero-oscillation adaptive step P&O strategy builds on these mechanisms to identify relevant information and to produce efficiency gains. As a result, the combined techniques achieve superior overall performance while maintaining simplicity of implementation. Simulations and experimental results are provided to validate the proposed strategy, and to illustrate its behavior in steady and transient operations.read more
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Journal ArticleDOI
A Fixed Zone Perturb and Observe MPPT Technique for A Standalone Distributed PV System
TL;DR: The FZPO technique requires a PV panel’s information only at the initial design stage but not during real-time tracking, making the implementation possible using only low-cost processors, and the implementation and design of the proposed controller are presented.
Proceedings ArticleDOI
Modified perturb and observe MPPT with zero oscillation in steady-state for PV systems under partial shaded conditions
Chih-Chiang Hua,Yi-min Chen +1 more
TL;DR: A modified perturb and observe (MP&O) to make the conventional P&O can track the maximum power point (MPP) even under the partial shaded conditions (PSC), and doesn't need to oscillation around the MPP, and can substantially lower the power loss.
Proceedings ArticleDOI
A comparative study of different MPPT techniques using different dc-dc converters in a standalone PV system
TL;DR: In this paper, a comparative study of two dc-dc converters in terms of output current and voltage ripple is presented and the efficiency of system with two different MPPT algorithms is studied and presented under varying uniform and non-uniform irradiation conditions.
Journal ArticleDOI
Adaptive PID Controller with P&O MPPT Algorithm for Photovoltaic System
TL;DR: An adaptive method is proposed to calculate the controller gains for different operating conditions without using any additional sensors and it is observed from the simulations and experimental results that the proposed adaptive method precisely tracks the maximum power and optimizes the perturbation characteristics.
Journal ArticleDOI
Assessment of maximum power point trackers performance using direct and indirect control methods
TL;DR: This paper presents a meta-modelling system that automates the very labor-intensive and therefore expensive and therefore time-heavy and expensive and expensive process-side control of renewable energy systems.
References
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Journal ArticleDOI
Comparison of Photovoltaic Array Maximum Power Point Tracking Techniques
Trishan Esram,Patrick L. Chapman +1 more
TL;DR: The many different techniques for maximum power point tracking of photovoltaic (PV) arrays are discussed in this paper, and at least 19 distinct methods have been introduced in the literature, with many variations on implementation.
Journal ArticleDOI
A Comparative Study on Maximum Power Point Tracking Techniques for Photovoltaic Power Systems
TL;DR: In this paper, a comprehensive review of the MPPT techniques applied to photovoltaic (PV) power system available until January, 2012 is provided, which is intended to serve as a convenient reference for future MPPT users in PV systems. But, confusion lies while selecting a MPPT as every technique has its own merits and demerits.
Journal ArticleDOI
Evaluation of the Main MPPT Techniques for Photovoltaic Applications
M. A. G. de Brito,Luigi Galotto,Leonardo Poltronieri Sampaio,Guilherme de Azevedo e Melo,Carlos A. Canesin +4 more
TL;DR: Evaluations among the most usual maximum power point tracking techniques, doing meaningful comparisons with respect to the amount of energy extracted from the photovoltaic (PV) panel [tracking factor) in relation to the available power, PV voltage ripple, dynamic response, and use of sensors.
Journal ArticleDOI
Assessment of Perturb and Observe MPPT Algorithm Implementation Techniques for PV Pumping Applications
TL;DR: In this article, a detailed theoretical and experimental comparison of the two perturb and observe (P&O) implementation techniques on the basis of system stability, performance characteristics, and energy utilization for standalone PV pumping systems is presented.
Journal ArticleDOI
Reliability Issues in Photovoltaic Power Processing Systems
TL;DR: The goal of this paper is to provide an overview of the open problems related to PV power processing systems and to focus the attention of researchers and industries on present and future challenges in this field.
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Comparison of Photovoltaic Array Maximum Power Point Tracking Techniques
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