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        1 - Simultaneous location and design of solar and wind power plants in Fars province in order to reduce greenhouse gases
        Mehdi Motevasel saman tashakor mohammad Arghavan
        Introduction: Today, the utilization of renewable energy has not only enhanced the efficiency and effectiveness of power plants but has also resulted in a substantial reduction in greenhouse gas emissions from fossil fuel power plants, offering numerous environmental be More
        Introduction: Today, the utilization of renewable energy has not only enhanced the efficiency and effectiveness of power plants but has also resulted in a substantial reduction in greenhouse gas emissions from fossil fuel power plants, offering numerous environmental benefits for human societies. This research specifically focuses on harnessing the synergistic potential of solar and wind energy to achieve improved cost-efficiency and greater utilization of both resources. The study examined eight cities in Fars province, each with varying climatic conditions. Materials and Methods: The Fuzzy Hierarchy Analysis Process is employed to select the most suitable location within each of the selected cities for the construction of a power plant. To make this selection, various factors, including wind density, solar radiation, population, and susceptibility to natural disasters, are taken into account. The assessment involves the calculation of three key indicators based on mathematical relationships and environmental measurements. These indicators encompass wind density, solar radiation intensity, as well as the population and the vulnerability to natural disasters such as earthquakes, floods, and dust storms.Additionally, fuzzy logic is utilized to assign weightings and determine a single value for these three attributes. This value is computed using MATLAB software. Results and Discussion: In this research, the cities of Fars province were compared with four different criteria. According to the survey, the best cities were determined using the fuzzy hierarchical analysis method, and the results show that the best city was Euclid, followed by Safasher and Bowanat. The survey showed that the cities of Kazeroon and Firozabad have the lowest points based on the construction of wind-solar power plants. To analyze the obtained result, different criteria should be checked. It was observed that in the ranking of criteria, the score of solar and wind energy criteria is more important than the other two criteria. Conclusion: The surveys have revealed that the most suitable city for the construction of a wind-solar power plant is Eghlid, followed by Safasher, Bowanat, and Izdakhsht. Conversely, Kazeroon and Firouzabad rank lowest in terms of suitability for such power plant projects.Subsequently, the design of the power plant in the city of Optimum has been thoroughly discussed. In this context, three different operational modes have been considered: one with a 50% reliance on solar energy and 50% on wind energy, another with a 70% reliance on solar energy and 30% on wind energy, and a third with 30% solar and 70% wind energy utilization. The results indicate that the most optimal performance is achieved when 70% of the power production comes from wind turbines and 30% from the solar power plant. This approach proves to be increasingly effective as time progresses. Manuscript profile
      • Open Access Article

        2 - Design and simulation of grid-connected hybrid solar-wind power plants to reduce carbon gas emissions in the 30th parallel north
        Amirali Ghahramani8 saman tashakor
        Introduction: Renewable energy is one of the vital components in reducing carbon emissions and mitigating climate change. The use of renewable energy sources such as solar, wind, hydro, biomass, and geothermal provides energy without greenhouse gas effects on the planet More
        Introduction: Renewable energy is one of the vital components in reducing carbon emissions and mitigating climate change. The use of renewable energy sources such as solar, wind, hydro, biomass, and geothermal provides energy without greenhouse gas effects on the planet. This study examines the efficiency solar-wind hybrid power plant on the 30th parallel north was studied by simulating energy production in the form of three power generation designs with a nominal capacity of 7 MWh from the solar-wind hybrid power plant in four cities of Cairo, Houston, Chongqing, and Shiraz. The study was conducted using PVsyst, SAM, and Transys software. Materials and Methods: By simulating and analyzing the following three proposed plans in each city and comparing them, it is possible to reach the most efficient range of the power distribution ratio of the combined solar-wind power plant. First plan) 25% of the total power of the power plant is from solar energy and 75% of the total power of the power plant is from wind energy. Second plan) 50% of the total power of the power plant is from solar energy and 50% of the total power of the power plant is from wind energy. Third plan) 75% of the total power of the power plant is from solar energy and 25% of the total power of the power plant is from wind energy. By examining the amount of annual energy injected into the network, the amount and effect of using renewable resources in reducing carbon gas production is analyzed and calculated. Results and Discussion: In addition to providing energy, the combined power plant will increase the reliability factor and preserve non-renewable resources and reduce greenhouse gases. All three software can be used in power plant simulation and analysis and the results are in good agreement. Conclusion: The first design is approximately 30% more efficient than the second design and 85% more than the third design. Shiraz with the production of 48466 megawatts per year reduced carbon dioxide emissions by 23651.408 tons, in Cairo with the production of 45799 megawatts per year the carbon dioxide emissions decreased by 25189.45 tons, Houston with the production of 40979 megawatts per year reduced the carbon dioxide emissions by 15203.209 tons. Manuscript profile