Journal of Power Electronics

  • 제11권6호
  • /
  • Pages.870-879
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  • 2011
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  • 1598-2092(pISSN)
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  • 2093-4718(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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Regulated Peak Power Tracking (RPPT) System Using Parallel Converter Topologies

  • Ali, Muhammad Saqib (Dept. of Electrical Eng., COMSATS Institute of Information Technology) ;
  • Bae, Hyun-Su (Dept. of Electrical and Electronics Eng., Seoul National University) ;
  • Lee, Seong-Jun (Dept. of Electrical and Electronics Eng., Seoul National University) ;
  • Cho, Bo-Hyung (Dept. of Electrical and Electronics Eng., Seoul National University)
  • 투고 : 2010.11.02
  • 발행 : 2011.11.20
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초록

Regulated peak power tracking (RPPT) systems such as the series structure and the series-parallel structures are commonly used in satellite space power systems. However, these structures process the solar array power or the battery power to the load through two cascaded regulators during one orbit cycle, which reduces the energy transfer efficiency. Also the battery charging time is increased due to placement of converter between the battery and the solar array. In this paper a parallel structure has been proposed which can improve the energy transfer efficiency and the battery charging time for satellite space power RPPT systems. An analogue controller is used to control all of the required functions, such as load voltage regulation and solar array stabilization with maximum power point tracking (MPPT). In order to compare the system efficiency and the battery charging efficiency of the proposed structure with those of a series (conventional) structure and a simplified series-parallel structure, simulations are performed and the results are analyzed using a loss analysis model. The proposed structure charges the battery more quickly when compared to the other two structures. Also the efficiency of the proposed structure has been improved under different modes of solar array operation when compared with the other two structures. To verify the system, experiments are carried out under different modes of solar array operation, including PPT charge, battery discharge, and eclipse and trickle charge.

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참고문헌

  1. P. Huynh and B.-H. Cho, "Analysis and design of a microprocessorcontrolled peak-power tracking system," Intersociety Energy Conversion Engineering Conference, pp. 163-178, 1992.
  2. P. T. Huynh and B.-H. Cho, "Design and analysis of a regulated peakpower tracking system," IEEE Trans. Aerosp. Electron. Syst., Vol. 35, No. 1, pp. 84-92, Jan. 1999. https://doi.org/10.1109/7.745682
  3. J. H. Yang, H. S. Bae, J. H. Lee and B.-H. Cho, "A simplified seriesparallel structure for the regulated peak power tracking (rppt) system," Applied Power Electronics Conference and Exposition, APEC 2008. Twenty-Third Annual IEE, pp. 160-166, Feb. 2008.
  4. C. Hua and C. Shen, "Study of maximum power tracking techniques and control of DC/DCconverters for photovoltaic power system,"Power Electronics Specialists Conference, PESC 98 Record. 29th Annual IEEE Publication, Vol. 1, pp. 86-93, 1998.
  5. Y. Jung, J. So, G. Yu, and J. Choi, "Improved perturbation and observation method (IP&O) of MPPT control for photovoltaic power systems," Photovoltaic Specialists Conference, 2005. Conference Record of the Thirty-first IEEE, pp. 1788-1791, Jan. 2005.

피인용 문헌

  1. Maximum power point tracking without current sensor for photovoltaic module integrated converter using Zigbee wireless network vol.56, 2014, https://doi.org/10.1016/j.ijepes.2013.11.020
  2. The Effect of Transformer Leakage Inductance on the Steady State Performance of Push-pull based Converter with Continuous Current vol.13, pp.3, 2013, https://doi.org/10.6113/JPE.2013.13.3.349