International Journal of Sustainable and Green Energy

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Volume 4, Issue 5, September 2015

  • Hydrogen Production by Water Electrochemical Photolysis Using PV-Module

    Sergii Bespalko, Anton Kachymov, Kostiantyn Koberidze, Oleksandr Bespalko

    Issue: Volume 4, Issue 5, September 2015
    Pages: 182-186
    Received: 5 January 2015
    Accepted: 21 August 2015
    Published: 9 September 2015
    DOI: 10.11648/j.ijrse.20150405.12
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    Abstract: The experimental research on hydrogen production by water electrochemical splitting is presented in the article. In the study low temperature electrolytic unit with 26th% KOH liquid solution and small-scale photovoltaic module (PV-module) were used to convert solar energy into molecular hydrogen. Speeds and volumes of average monthly hydrogen produ... Show More
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  • Basic Guidelines for LED Lamp Package Design

    Song Jae Lee

    Issue: Volume 4, Issue 5, September 2015
    Pages: 187-194
    Received: 23 September 2014
    Accepted: 11 August 2015
    Published: 12 September 2015
    DOI: 10.11648/j.ijrse.20150405.13
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    Abstract: Even though significant amount of researches has been done to develop LED lamp packages for improved performance especially in terms of output power, it is believed that no standard theories or guidelines have been established yet for designing LED lamp packages. In this paper, both the InGaN/Sapphire LED chip structure and its Epi-Up or Epi-Down c... Show More
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  • MPPT Control Technique for Direct-Drive Five-Phase PMSG Wind Turbines with Wind Speed Estimation

    Abdel-Raheem Youssef, Mahmoud A. Sayed, M. N. Abdel-Wahab, Gaber Shabib Salman

    Issue: Volume 4, Issue 5, September 2015
    Pages: 195-205
    Received: 29 May 2015
    Accepted: 13 September 2015
    Published: 26 September 2015
    DOI: 10.11648/j.ijrse.20150405.14
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    Abstract: This paper has presented comprehensive modeling of direct driven five-phase PMSG based grid-connected wind turbines along with the control schemes of the interfacing converters. Wind speed estimation has been achieved based on measured rotor speed. Five-phase to three-phase interface power converter based back-to-back common dc-link converter has b... Show More
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