Journal of Energy and Natural Resources

Volume 5, Issue 1, February 2016

  • A Variable Step Size MPPT Method for Stand-Alone PV Energy Systems

    Tahar Tafticht, Yamina Azzoug

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 1-5
    Received: Jan. 15, 2015
    Accepted: Jan. 19, 2015
    Published: Jan. 13, 2016
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    This article belongs to the Special Issue Electrical Power Resources: Coal versus Renewable Energy
    Abstract: This paper presents an optimal algorithm control of photovoltaic generator system with battery energy storage. The system is the combination of photovoltaic (PV) array and battery storage via a common dc bus. The system components have substantially different voltage-current characteristics and they are integrated on the DC bus through power condit... Show More
  • Renewable Energy: A Solution to Hazardous Emissions

    Ahmed Bilal Awan

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 6-11
    Received: Jan. 15, 2015
    Accepted: Jan. 19, 2015
    Published: Jan. 13, 2016
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    This article belongs to the Special Issue Electrical Power Resources: Coal versus Renewable Energy
    Abstract: The problem of energy security, increasing prices of energy, the aspect of environmental pollution and depletion of the known fuel reserves in future have created a scope for utilization of renewable resources. Increasing prices of fossil fuels and costs associated with emissions may affect the economy of a country severely. Similarly, fossil fuels... Show More
  • Feasibility and Estimation of Technical Potential and Calculation of Payback Period of Roof-Top Solar PV System in the City of Majmaah, Province of Riyadh, K.S.A

    Ahmed-Bilal Awan, Taher Shaftichi, Ahmed G. Abu-Khalil

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 12-18
    Received: Jul. 24, 2015
    Accepted: Jul. 25, 2015
    Published: Jan. 13, 2016
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    This article belongs to the Special Issue Electrical Power Resources: Coal versus Renewable Energy
    Abstract: Depletion of fossil fuels in near future and accumulation of their emissions in the environment have attracted the world's attention to utilize renewable resources of energy. Oil and gas are the two main sources of power generation in Kingdom of Saudi Arabia. The problem of energy security, the aspect of environmental pollution and depletion of the... Show More
  • Water-Pumping Using Powered Solar System - More Than an Environmentally Alternative: The Case of Toshka, Egypt

    Ahmed G. Abo-Khalil, Sameh S. Ahmed

    Issue: Volume 5, Issue 1-1, February 2016
    Pages: 19-25
    Received: Nov. 27, 2015
    Accepted: Dec. 01, 2015
    Published: Jan. 13, 2016
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    This article belongs to the Special Issue Electrical Power Resources: Coal versus Renewable Energy
    Abstract: In this paper, a solar powered water pumping system for supplying water to irrigate part of Toshka project is proposed. The design considers several factors including the crop, the size of the planting region, the number of peak sun hours, the efficiency of the solar array and its electronics, the pumping elevation and the pump efficiency. The pump... Show More