A Fast and Efficient Maximum Power Tracking Combining Simplified State Estimation With Adaptive Perturb and Observe

Wang, Shun‐Chung; Pai, Hung-Yu; Chen, Guan‐Jhu; Liu, Yi-Hwa

doi:10.1109/access.2020.3019197

Cited by 27 publications

(11 citation statements)

References 30 publications

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“…Employing the offered topologies in standalone PV systems is one of their applications. In standalone PV systems, the critical challenge is delivering high-quality power to the load using a highly efficient multilevel inverter [32]. On the other hand, the suggested topologies can enhance power quality by producing a large number of voltage levels that create a sin wave current waveform with low THD.…”

Section: Standalone Pv Application Of the Proposed Multilevel Invertersmentioning

confidence: 99%

Reduced Switch Multilevel Inverter Topologies for Renewable Energy Sources

Sarebanzadeh

Hosseinzadeh²,

Garcia

et al. 2021

IEEE Access

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This article proposes two generalized multilevel inverter configurations that reduce the number of switching devices, isolated DC sources, and total standing voltage on power switches, making them suitable for renewable energy sources. The main topology is a multilevel inverter that handles two isolated DC sources by ten power switches to create twenty-five voltage levels. Based on the proposed main topology two generalized multilevel inverters are introduced to indicate flexibility in designing and also to minimize the number of elements. The optimal topologies for both extensive multilevel inverters are derived from different design objectives such as minimizing the number of elements (gate drivers, DC sources), achieving a large number of levels, and minimizing the total standing voltage. The main advantages of proposed topologies are a reduced number of elements than other multilevel inverters based on the comparison studies which is performed among the proposed topologies and other topologies. The power loss analysis and standalone PV application of the proposed topologies are discussed. The experimental results are presented for the proposed topology to demonstrate the correct operation of the proposal.INDEX TERMS single-phase multilevel inverters; generalized topologies; cascaded multilevel inverters; symmetric and asymmetric operations, renewable energy sources, photovoltaic system.

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Section: Standalone Pv Application Of the Proposed Multilevel Invertersmentioning

confidence: 99%

Reduced Switch Multilevel Inverter Topologies for Renewable Energy Sources

Sarebanzadeh

Hosseinzadeh²,

Garcia

et al. 2021

IEEE Access

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“…In other words, modify φ to minimize equations ( 78) and (79). For this aim, it is proposed to use the Perturb and Observe method, a widely known technique that has proven its effectiveness in the solar energy sector and improved in [22], [23]. In this technique, a small perturbation is applied to provoke the input power variation.…”

Section: B Maximum Efficiency Point Tracking Strategy Control Loopmentioning

confidence: 99%

Small Signal Modelling for Variable Frequency Control With Maximum Efficiency Point Tracking of DAB Converter

et al. 2021

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Dual active bridge (DAB) converters have experienced a boom thanks to the demands of new applications where bidirectional energy transfer, galvanic isolation and high efficiency are essential. In order to improve the efficiency of the stage without losing sight of the converter advantages, previous works have proposed complex forms of control that are not always applicable. This paper proposes the use of a variable frequency control strategy plus an additional control loop to find the point of maximum efficiency. Therefore, in this paper, the generalized state space average model is developed in depth to obtain in an analytical way a new small-signal model between the switching frequency and the output voltage, which is used to design the digital variable frequency control. In addition, to increase efficiency, reduce losses and ensure zero voltage switching, a second loop based on perturb and observe methodology is presented. The results obtained in the analysis of this control are validated and contrasted by simulation and experimentally with a 1kW prototype. INDEX TERMSDual active bridge, digital control, GSSAM VOLUME 4, 2016This article has been accepted for publication in a future issue of this journal, but has not been fully edited. Content may change prior to final publication. Citation information: DOI 10.1109/ACCESS.2021.3084630, IEEE Access Ivan Ruiz Erni et al.: Variable frequency digital control with maximum efficiency point tracking of DAB converter

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“…In addition to these methods, many different modified MPPT algorithms have been developed. In the developed methods, the main goal is to achieve speed, high efficiency, and high adaptability to environmental conditions [17][18][19][20]. In another study, a new soft-MPPT algorithm that could be realized with low-level microprocessors and also used in conjunction with both PO and INC algorithms was proposed [21].…”

Section: Introductionmentioning

confidence: 99%

Comparison of PO and INC MPPT Methods Using FPGA In-The-Loop Under Different Radiation Conditions

Çelikel

Gündoğdu

2021

Balkan Journal of Electrical and Computer Engineering

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In photovoltaic (PV) systems, the Maximum Power Point Tracking (MPPT) algorithms are applied to obtain maximum efficiency under different atmospheric conditions. Among the MPPT methods, Perturb & Observe (PO) and Incremental Conductance (INC) methods are the oldest algorithms that have been used. Field Programmable Gate Arrays (FPGA) are used especially in applications requiring high speed. FPGA in-the-loop feature is used to test algorithms designed in MATLAB/Simulink environment. In this study, PO and INC methods were designed to work in FPGA environment. Both algorithms were tested under different radiation conditions by using FPGA-in-the-loop feature. The FPGA in-the-loop simulation result of PO and INC methods was shown graphically. Altera DE2-115 development board was used to test PO and INC MPPT algorithms. In addition, PO and INC methods were synthesized using the Quartus-II program. Comparisons of the simplicity of the algorithms were made based on the synthesis results. Thus, by using the FGPA in-the-loop feature and performing the synthesis process, both of the algorithms were tested and the areas covered by the algorithms in the FPGA were compared.

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A Fast and Efficient Maximum Power Tracking Combining Simplified State Estimation With Adaptive Perturb and Observe

Cited by 27 publications

References 30 publications

Reduced Switch Multilevel Inverter Topologies for Renewable Energy Sources

Reduced Switch Multilevel Inverter Topologies for Renewable Energy Sources

Small Signal Modelling for Variable Frequency Control With Maximum Efficiency Point Tracking of DAB Converter

Comparison of PO and INC MPPT Methods Using FPGA In-The-Loop Under Different Radiation Conditions

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