A New High Step-Up DC-DC Converter for Photovoltaic Application: Switch Inductor Cell Combined with Voltage Doubler Circuit

Akter, Khadiza; Motakabber, S. M. A.; Alam, A. H. M. Zahirul; Yusoff, Siti Hajar

doi:10.1109/icrpset57982.2022.10188566

2022 International Conference on Recent Progresses in Science, Engineering and Technology (ICRPSET) 2022

DOI: 10.1109/icrpset57982.2022.10188566

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A New High Step-Up DC-DC Converter for Photovoltaic Application: Switch Inductor Cell Combined with Voltage Doubler Circuit

Khadiza Akter

S. M. A. Motakabber

A. H. M. Zahirul Alam

et al.

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2024

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Improved Topology and Control Strategies for DC Converters in Wind Power Full DC Systems

Hu,

2024

Electronics

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This study presents an enhanced composite modular DC/DC converter topology designed to address critical technical requirements in wind power full DC systems, including high capacity, high conversion ratio, and fault isolation. The proposed topology combines MMC circuits and module combination circuits, allowing for exceptional modularity and configurability. Through the serial and parallel connection of multiple modules, the voltage or current levels can be further enhanced. Regarding the control strategy, the paper adopts SOGI phase-locked and coordinate transformation technology to precisely measure and control the differential and common-mode voltages within the MMC modules. A mathematical model is established, providing a theoretical foundation for experimental analysis. The research emphasizes the implementation of key strategies such as circulating current suppression, nearest level approximation, and capacitor voltage sorting. To validate the practicality and effectiveness of the proposed converter topology and control strategy, an experiment is conducted using a ±30 kV/±300 kV, 300 MW model constructed within the MATLAB/Simulink simulation environment.

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Improved Topology and Control Strategies for DC Converters in Wind Power Full DC Systems

Hu,

2024

Electronics

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A New High Step-Up DC-DC Converter for Photovoltaic Application: Switch Inductor Cell Combined with Voltage Doubler Circuit

Cited by 1 publication

References 13 publications

Improved Topology and Control Strategies for DC Converters in Wind Power Full DC Systems

Improved Topology and Control Strategies for DC Converters in Wind Power Full DC Systems

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