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Minimization of Cross-Regulation in PV and Battery Connected Multi-Input Multi-Output DC to DC Converter

Author

Listed:
  • Vibha Kamaraj

    (Department of Electrical and Electronics Engineering, SRM Institute of Science and Technology, Chennai 603 203, India)

  • N. Chellammal

    (Department of Electrical and Electronics Engineering, SRM Institute of Science and Technology, Chennai 603 203, India)

  • Bharatiraja Chokkalingam

    (Department of Electrical and Electronics Engineering, SRM Institute of Science and Technology, Chennai 603 203, India)

  • Josiah Lange Munda

    (Department of Electrical Engineering, Tshwane University of Technology, Pretoria 0001, South Africa)

Abstract

This paper proposes a digital model predictive controller (DMPC) for a multi-input multi-output (MIMO) DC-DC converter interfaced with renewable energy resources in a hybrid system. Such MIMO systems generally suffer from cross-regulation, which seriously impacts the stability and speed of response of the system. To solve the contemporary issues in a MIMO system, a controller is required to attenuate the cross-regulation. Therefore, this paper proposes a controller, which increases speed of response and maintains stable output by regulating the load voltage independently. The inductor current and the capacitor voltage of the proposed converter are considered as the controlling parameters. With the aid of Forward Euler’s procedure, the future values are computed for the instantaneous values of controlling parameters. Cost function defines the control action by the predicted values that describe the system performance and establish optimal condition at which the output of the system is required. This allows proper switching of the system, thereby helping to regulate the output voltages. Thus, for any variation in load, the DMPC ensures steady switching operation and minimization of cross-regulation. To prove the efficacy of proposed DMPC controller, simulations followed by the experimental results are executed on a hybrid system consisting of dual-input dual-output (DIDO) positive Super-Lift Luo converter (PSLLC) interfaced with photovoltaic renewable energy resource. The results thus obtained are compared with the conventional PID (proportional integrative derivative) controller for validation and prove that the DMPC controller is able to control the cross-regulation effectively.

Suggested Citation

  • Vibha Kamaraj & N. Chellammal & Bharatiraja Chokkalingam & Josiah Lange Munda, 2020. "Minimization of Cross-Regulation in PV and Battery Connected Multi-Input Multi-Output DC to DC Converter," Energies, MDPI, vol. 13(24), pages 1-29, December.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:24:p:6534-:d:460161
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    References listed on IDEAS

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    1. S. Augusti Lindiya & N. Subashini & K. Vijayarekha, 2019. "Cross Regulation Reduced Optimal Multivariable Controller Design for Single Inductor DC-DC Converters," Energies, MDPI, vol. 12(3), pages 1-26, February.
    2. Denis Sidorov & Daniil Panasetsky & Nikita Tomin & Dmitriy Karamov & Aleksei Zhukov & Ildar Muftahov & Aliona Dreglea & Fang Liu & Yong Li, 2020. "Toward Zero-Emission Hybrid AC/DC Power Systems with Renewable Energy Sources and Storages: A Case Study from Lake Baikal Region," Energies, MDPI, vol. 13(5), pages 1-18, March.
    3. M. Karthikeyan & R. Elavarasu & P. Ramesh & C. Bharatiraja & P. Sanjeevikumar & Lucian Mihet-Popa & Massimo Mitolo, 2020. "A Hybridization of Cuk and Boost Converter Using Single Switch with Higher Voltage Gain Compatibility," Energies, MDPI, vol. 13(9), pages 1-24, May.
    4. C. Anuradha & N. Chellammal & Md Saquib Maqsood & S. Vijayalakshmi, 2019. "Design and Analysis of Non-Isolated Three-Port SEPIC Converter for Integrating Renewable Energy Sources," Energies, MDPI, vol. 12(2), pages 1-32, January.
    5. Deepak Elamalayil Soman & Mats Leijon, 2017. "Cross-Regulation Assessment of DIDO Buck-Boost Converter for Renewable Energy Application," Energies, MDPI, vol. 10(7), pages 1-11, June.
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    Cited by:

    1. Mohamed Derbeli & Cristian Napole & Oscar Barambones & Jesus Sanchez & Isidro Calvo & Pablo Fernández-Bustamante, 2021. "Maximum Power Point Tracking Techniques for Photovoltaic Panel: A Review and Experimental Applications," Energies, MDPI, vol. 14(22), pages 1-31, November.
    2. Lucian Mihet-Popa & Sergio Saponara, 2021. "Power Converters, Electric Drives and Energy Storage Systems for Electrified Transportation and Smart Grid Applications," Energies, MDPI, vol. 14(14), pages 1-5, July.

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