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A Multistage DC-DC Step-Up Self-Balanced and Magnetic Component-Free Converter for Photovoltaic Applications: Hardware Implementation

Author

Listed:
  • Mahajan Sagar Bhaskar

    (Department of Electrical and Electronics Engineering, University of Johannesburg, PO Box 524, Auckland Park, Johannesburg 2006, South Africa)

  • Sanjeevikumar Padmanaban

    (Department of Electrical and Electronics Engineering, University of Johannesburg, PO Box 524, Auckland Park, Johannesburg 2006, South Africa)

  • Frede Blaabjerg

    (Centre for Reliable Power Electronics (CORPE), Department of Energy Technology, Aalborg University, 9000 Aalborg, Denmark)

Abstract

This article presents a self-balanced multistage DC-DC step-up converter for photovoltaic applications. The proposed converter topology is designed for unidirectional power transfer and provides a doable solution for photovoltaic applications where voltage is required to be stepped up without magnetic components (transformer-less and inductor-less). The output voltage obtained from renewable sources will be low and must be stepped up by using a DC-DC converter for photovoltaic applications. 2 K diodes and 2 K capacitors along with two semiconductor control switch are used in the K-stage proposed converter to obtain an output voltage which is (K + 1) times the input voltage. The conspicuous features of proposed topology are: (i) magnetic component free (transformer-less and inductor-less); (ii) continuous input current; (iii) low voltage rating semiconductor devices and capacitors; (iv) modularity; (v) easy to add a higher number of levels to increase voltage gain; (vi) only two control switches with alternating operation and simple control. The proposed converter is compared with recently described existing transformer-less and inductor-less power converters in term of voltage gain, number of devices and cost. The application of the proposed circuit is discussed in detail. The proposed converter has been designed with a rated power of 60 W, input voltage is 24 V, output voltage is 100 V and switching frequency is 100 kHz. The performance of the converter is verified through experimental and simulation results.

Suggested Citation

  • Mahajan Sagar Bhaskar & Sanjeevikumar Padmanaban & Frede Blaabjerg, 2017. "A Multistage DC-DC Step-Up Self-Balanced and Magnetic Component-Free Converter for Photovoltaic Applications: Hardware Implementation," Energies, MDPI, vol. 10(5), pages 1-28, May.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:5:p:719-:d:99053
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    References listed on IDEAS

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    1. Sabzali, Ahmad J. & Ismail, Esam H. & Behbehani, Hussain M., 2015. "High voltage step-up integrated double Boost–Sepic DC–DC converter for fuel-cell and photovoltaic applications," Renewable Energy, Elsevier, vol. 82(C), pages 44-53.
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    Cited by:

    1. Sanjeevikumar Padmanaban & Emre Ozsoy & Viliam Fedák & Frede Blaabjerg, 2017. "Development of Sliding Mode Controller for a Modified Boost Ćuk Converter Configuration," Energies, MDPI, vol. 10(10), pages 1-14, September.
    2. Sanjeevikumar Padmanaban & Mahajan Sagar Bhaskar & Pandav Kiran Maroti & Frede Blaabjerg & Viliam Fedák, 2018. "An Original Transformer and Switched-Capacitor (T & SC)-Based Extension for DC-DC Boost Converter for High-Voltage/Low-Current Renewable Energy Applications: Hardware Implementation of a New T & SC Bo," Energies, MDPI, vol. 11(4), pages 1-23, March.
    3. Mahajan Sagar Bhaskar & Sanjeevikumar Padmanaban & Jens Bo Holm-Nielsen, 2019. "Double Stage Double Output DC–DC Converters for High Voltage Loads in Fuel Cell Vehicles," Energies, MDPI, vol. 12(19), pages 1-19, September.
    4. Hina Fathima A & Kaliannan Palanisamy & Sanjeevikumar Padmanaban & Umashankar Subramaniam, 2018. "Intelligence-Based Battery Management and Economic Analysis of an Optimized Dual-Vanadium Redox Battery (VRB) for a Wind-PV Hybrid System," Energies, MDPI, vol. 11(10), pages 1-18, October.
    5. Mahajan Sagar Bhaskar & Sanjeevikumar Padmanaban & Sonali A. Sabnis & Lucian Mihet-Popa & Frede Blaabjerg & Vigna K. Ramachandaramurthy, 2017. "Hardware Implementation and a New Adaptation in the Winding Scheme of Standard Three Phase Induction Machine to Utilize for Multifunctional Operation: A New Multifunctional Induction Machine," Energies, MDPI, vol. 10(11), pages 1-12, November.
    6. Narciso Castro Charris & Vladimir Sousa Santos & Juan Jos Cabello Eras, 2023. "Aspects to Consider in the Evaluation of Photovoltaic System Projects to Avoid Problems in Power Systems and Electric Motors," International Journal of Energy Economics and Policy, Econjournals, vol. 13(3), pages 334-341, May.

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