Charge balancing PV System using charge-pumped flyback-boost-forward converter including differential power processor

Lee, Chun-Gu; Kim, Jong-Hoon; Park, Joung‐Hu

doi:10.1109/ipemc.2016.7512312

Cited by 3 publications

(3 citation statements)

References 5 publications

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“…Forward converter can be used in distributed MPPT systems [10][11][12]. Since it has a transformer, voltage transformation feature provides flexible MPPT operation.…”

Section: Introductionmentioning

confidence: 99%

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Forward converter-based distributed global maximum power point tracking in partial shading conditions

Başoğlu

2020

SN Appl. Sci.

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Maximum power point tracking (MPPT) is an essential part of a photovoltaic (PV) power generation systems to obtain the possible biggest efficiency. In partial shading conditions (PSCs), distributed MPPT strategy is used to eliminate mismatching cases between PV modules and load. In this study, forward converter-based distributed MPPT approach is presented for small power module-level and submodule-level MPPT applications. First, operation principles of a forward converter are explained for an MPPT application. Then, performance of a forward converter is evaluated by perturb and observe (P&O) algorithm for module-level and submodule-level MPPT systems in MATLAB/Simulink. Simulation results show that in module-level MPPT technique, forward converter cannot track global maximum power point (MPP) in some PSCs. On the other hand, submodule-level MPPT guarantees global MPPT (GMPPT). Average tracking efficiencies are calculated as 71.24% and 95.34% for module-level and submodule-level MPPT, respectively. That is, submodule-level MPPT outperforms module-level MPPT. On the other hand, submodule-level MPPT is more expensive solution since hardware requirements are very high compared with the module-level MPPT strategy.

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“…Forward converter can be used in distributed MPPT systems [10][11][12]. Since it has a transformer, voltage transformation feature provides flexible MPPT operation.…”

Section: Introductionmentioning

confidence: 99%

“…Differential power processing (DPP) is one of the popular strategies to eliminate the unbalancing condition in PV systems. In [12], a DPP-based charged pump flyback-boost-forward converter configuration is designed. In this configuration, flyback is active when there is an unbalancing in loads.…”

Section: Introductionmentioning

confidence: 99%

Forward converter-based distributed global maximum power point tracking in partial shading conditions

Başoğlu

2020

SN Appl. Sci.

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“…Compared to centralized architectures, distributed methods result in high energy efficiency as well as the excellent ability to control the PV operation against climate change [1]; however, it contains a complex control structure and higher manufacturing costs than that of centralized systems [2,3,4]. For the purpose of overcoming the drawbacks, Differential Power Processing (DPP) architecture has been introduced recently as the representative example of hybrid methods, which hold the advantages of small capacity and high efficiency in distributed structure, along with the low cost of the centralized one.…”

Section: Introductionmentioning

confidence: 99%

Magnetically-coupled boost-forward converter for high efficiency differential power processing systems

Park

Kim

Park

2017

IEICE Electron. Express

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This paper proposes a new switching power circuit topology combining a boost converter and a forward one by integrating the inductor. The target application of the proposed scheme is a photovoltaic (PV) power conditioning system which operates according to the differential power processing architecture. The boost converter delivers the main PV string power to the DC-link, and the forward converter handles a portion of the boost inductor's energy to compensate the power difference among the PV panels. Not only the compensation, but also operates the forward converter the distributed maximum power point tracking (DMPPT) control for each PV panel. Since the input of the forward comes through the transformer coupled with the boost converter's inductor instead of the high voltage DC-link, this converter requires no extremely step-down voltage conversion ratios, which give several benefits such as low device stresses and high conversion efficiency. In the paper, analysis and design procedures are presented and a 200-W hardware is implemented to validate the performance of the proposed topology such as the efficiency and DMPPT control. Keywords: differential power processing, maximum power point tracking, photovoltaic, coupled inductor, boost-forward converter Classification: Power devices and circuits References

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Switched-Mode Power Supply for Control System

Strelkov

Sosnina

Dar’enkov

et al. 2019

2019 6th International Conference on Control, Decision and Information Technologies (CoDIT)

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Charge balancing PV System using charge-pumped flyback-boost-forward converter including differential power processor

Cited by 3 publications

References 5 publications

Forward converter-based distributed global maximum power point tracking in partial shading conditions

Forward converter-based distributed global maximum power point tracking in partial shading conditions

Magnetically-coupled boost-forward converter for high efficiency differential power processing systems

Switched-Mode Power Supply for Control System

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