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Predictive and Average Current Controllers for a High Step-Up Interleaved DC–DC Converter

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Abstract

Interleaving produces improvements in input current and loss reduction. Typically, high voltage gain is due to associations of voltage multipliers and/or coupled inductors. Proper division of input current in the phases and maintenance of output voltage in case of input voltage variations as well as accurate response due to load perturbations are the challenges of interleaved structure. In this paper, along with the introduction of a novel structure of high step-up interleaved direct current to direct current (DC–DC) converter, two control schemes are presented to control the proposed converter with two main objectives. Proper shearing of input current between phases and maintaining output voltage in case of input voltage variations and load perturbations. Two proposed controllers, the model predictive control (MPC) strategy and the average current mode (ACM), are implemented on the proposed converter, and their performance results are analyzed. In this regard, a 400 W–20/500 V laboratory prototype was built from the proposed converter and the results were verified based on it.

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Authors and Affiliations

  1. Power Electrical Engineering Department, Faculty of Engineering, Shahed University, Tehran, Iran

    Hamed Javaheri Fard & Seyed Mohammad Sadeghzadeh

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  1. Hamed Javaheri Fard
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  2. Seyed Mohammad Sadeghzadeh
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Correspondence to Seyed Mohammad Sadeghzadeh.

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Javaheri Fard, H., Sadeghzadeh, S.M. Predictive and Average Current Controllers for a High Step-Up Interleaved DC–DC Converter. J Control Autom Electr Syst 33, 1829–1839 (2022). https://doi.org/10.1007/s40313-022-00927-w

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  • DOI: https://doi.org/10.1007/s40313-022-00927-w

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