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A Photovoltaic Power System Using a High Step-up Converter for DC Load Applications

Author

Listed:
  • Sheng-Yu Tseng

    (Department of Electrical Engineering, Chang-Gung University Kwei-Shan Tao-Yuan, Taiwan)

  • Hung-Yuan Wang

    (Department of Electrical Engineering, Chang-Gung University Kwei-Shan Tao-Yuan, Taiwan)

Abstract

This paper presents a power system using a high step-up converter for dc load applications. The high step-up converter adopts a boost converter with interleaved mode and a coupled inductor to raise its powering ability and increase its step-up voltage ratio, respectively. In order to increase conversion efficiency, an active clamp circuit is introduced into the proposed one to provide soft-switching features to reduce switching losses. Moreover, switches in the converter and active clamp circuit are integrated with a synchronous switching technique to reduce circuit complexity and component counts, resulting in a lower cost and smaller volume. A perturb and observe method is adopted to extract the maximum power from photovoltaic (PV) arrays. Furthermore, a microchip associated with PWM IC is used to implement maximum power point tracking operation, voltage regulation and power management. Finally, a prototype PV power system with 400 V/6 A has been implemented for verifying the feasibility of the proposed PV power system. It is shown to be suitable for PV energy conversion applications when the duty ratios of switches in the dc/dc converter are less than 0.5.

Suggested Citation

  • Sheng-Yu Tseng & Hung-Yuan Wang, 2013. "A Photovoltaic Power System Using a High Step-up Converter for DC Load Applications," Energies, MDPI, vol. 6(2), pages 1-33, February.
    • Handle: RePEc:gam:jeners:v:6:y:2013:i:2:p:1068-1100:d:23709
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    References listed on IDEAS

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    1. Jaeyeong Yoo & Byungsung Park & Kyungsung An & Essam A. Al-Ammar & Yasin Khan & Kyeon Hur & Jong Hyun Kim, 2012. "Look-Ahead Energy Management of a Grid-Connected Residential PV System with Energy Storage under Time-Based Rate Programs," Energies, MDPI, vol. 5(4), pages 1-19, April.
    2. Yifan Yu & Qianfan Zhang & Bin Liang & Xiaofei Liu & Shumei Cui, 2011. "Analysis of a Single-Phase Z-Source Inverter for Battery Discharging in Vehicle to Grid Applications," Energies, MDPI, vol. 4(12), pages 1-12, December.
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    1. Pushpakaran, Bejoy N. & Subburaj, Anitha Sarah & Bayne, Stephen B. & Mookken, John, 2016. "Impact of silicon carbide semiconductor technology in Photovoltaic Energy System," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 971-989.
    2. Farhat, Maissa & Barambones, Oscar & Sbita, Lassaâd, 2015. "Efficiency optimization of a DSP-based standalone PV system using a stable single input fuzzy logic controller," Renewable and Sustainable Energy Reviews, Elsevier, vol. 49(C), pages 907-920.
    3. Musong L. Katche & Augustine B. Makokha & Siagi O. Zachary & Muyiwa S. Adaramola, 2023. "A Comprehensive Review of Maximum Power Point Tracking (MPPT) Techniques Used in Solar PV Systems," Energies, MDPI, vol. 16(5), pages 1-23, February.
    4. Ioana-Monica Pop-Calimanu & Septimiu Lica & Sorin Popescu & Dan Lascu & Ioan Lie & Radu Mirsu, 2019. "A New Hybrid Inductor-Based Boost DC-DC Converter Suitable for Applications in Photovoltaic Systems," Energies, MDPI, vol. 12(2), pages 1-32, January.
    5. Yiwang Wang & Chun Gan & Kai Ni & Xinhua Li & Houjun Tang & Yong Yang, 2017. "A Multifunctional Isolated and Non-Isolated Dual Mode Converter for Renewable Energy Conversion Applications," Energies, MDPI, vol. 10(12), pages 1-17, November.
    6. Yu-En Wu & Yu-Lin Wu, 2016. "Design and Implementation of a High Efficiency, Low Component Voltage Stress, Single-Switch High Step-Up Voltage Converter for Vehicular Green Energy Systems," Energies, MDPI, vol. 9(10), pages 1-16, September.
    7. Chih-Lung Shen & Po-Chieh Chiu & Yan-Chi Lee, 2016. "Novel Interleaved Converter with Extra-High Voltage Gain to Process Low-Voltage Renewable-Energy Generation," Energies, MDPI, vol. 9(11), pages 1-12, October.
    8. Efrain Mendez & Alexandro Ortiz & Pedro Ponce & Israel Macias & David Balderas & Arturo Molina, 2020. "Improved MPPT Algorithm for Photovoltaic Systems Based on the Earthquake Optimization Algorithm," Energies, MDPI, vol. 13(12), pages 1-24, June.
    9. Stanisław Maleczek & Kazimierz Drabczyk & Krzysztof Artur Bogdanowicz & Agnieszka Iwan, 2020. "Engineering Concept of Energy Storage Systems Based on New Type of Silicon Photovoltaic Module and Lithium Ion Batteries," Energies, MDPI, vol. 13(14), pages 1-13, July.

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