Analysis of the Aspects of Increasing the Efficiency of Electricity Generation by Photovoltaic Power Plants
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CHALBASH, O.. Analysis of the Aspects of Increasing the Efficiency of Electricity Generation by Photovoltaic Power Plants. In: 2019 International Conference on Electromechanical and Energy Systems SIELMEN 2019. 9-11 octombrie 2019, Craiova. New Jersey, SUA: Institute of Electrical and Electronics Engineers Inc., 2019, p. 0. ISBN 978-172814011-7.
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2019 International Conference on Electromechanical and Energy Systems 2019
Conferința "2019 International Conference on Electromechanical and Energy Systems"
Craiova, Romania, 9-11 octombrie 2019

Analysis of the Aspects of Increasing the Efficiency of Electricity Generation by Photovoltaic Power Plants


DOI: 10.1109/SIELMEN.2019.8905852
Pag. 0-0

Chalbash O.
 
Institute of Power Engineering
 
Disponibil în IBN: 28 aprilie 2021


Rezumat

The increase in the share of energy produced from renewable sources in the energy balance presents itself as a strategic problem for world energy sector. The use of solar energy to produce electricity is possible everywhere. The purpose of this work is to analyze the factors that affect the efficiency of electricity production, as well as the development of theoretical aspects of increasing the efficiency of the operation of photovoltaic power plants. The research methodology is based on the complex analysis of the particularities of the conversion of solar radiation into electricity by photovoltaic cells, which are presented through ideal equivalent schemes and equivalent schemes that take into account the impact of temperature, the intensity of solar radiation and the partial shading factor of the photovoltaic cells. As a research tool it is proposed to perform the modeling of the characteristics of current-voltage and voltage - power of the solar panels and platforms with PV panels mounted. It presents the methodological aspects of the analysis of the energy production of the PV plants for different operating conditions, the results of the analysis of the electricity production of the PV plants in the world and the estimation of the influence of the main factors (temperature, the intensity of the solar radiation, the degree of shading) on the deviation of the characteristics of the photovoltaic cells. It has been proposed the concept and the general theoretical aspects regarding the elaboration of the mathematical model of the PV power station, which takes into account the influencing factors on the efficiency of electricity production. It has been shown that in the mathematical model the influence of the sun's motion on the celestial vault can be modeled by varying the intensity of the solar radiation depending on the positioning of the sun.

Cuvinte-cheie
Current voltage characteristics, Electric power generation, electricity, Factor analysis, Photoelectrochemical cells, photovoltaic cells, Power plants, solar energy, Solar power generation, solar radiation, temperature

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<title xml:lang='en'><p>Analysis of the Aspects of Increasing the Efficiency of Electricity Generation by Photovoltaic Power Plants</p></title>
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<subject>Current voltage characteristics</subject>
<subject>Electric power generation</subject>
<subject>electricity</subject>
<subject>Factor analysis</subject>
<subject>Photoelectrochemical cells</subject>
<subject>photovoltaic cells</subject>
<subject>Power plants</subject>
<subject>solar energy</subject>
<subject>Solar power generation</subject>
<subject>solar radiation</subject>
<subject>temperature</subject>
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<description xml:lang='en' descriptionType='Abstract'><p>The increase in the share of energy produced from renewable sources in the energy balance presents itself as a strategic problem for world energy sector. The use of solar energy to produce&nbsp;electricity&nbsp;is possible everywhere. The purpose of this work is to analyze the factors that affect the&nbsp;efficiency&nbsp;of&nbsp;electricity&nbsp;production, as well as the development of theoretical&nbsp;aspects&nbsp;of&nbsp;increasing&nbsp;the&nbsp;efficiency&nbsp;of the operation of&nbsp;photovoltaic&nbsp;power&nbsp;plants. The research methodology is based on the complex&nbsp;analysis&nbsp;of the particularities of the conversion of solar radiation into&nbsp;electricity&nbsp;by&nbsp;photovoltaic&nbsp;cells, which are presented through ideal equivalent schemes and equivalent schemes that take into account the impact of temperature, the intensity of solar radiation and the partial shading factor of the&nbsp;photovoltaic&nbsp;cells. As a research tool it is proposed to perform the modeling of the characteristics of current-voltage and voltage -&nbsp;power&nbsp;of the solar panels and platforms with PV panels mounted. It presents the methodological&nbsp;aspects&nbsp;of the&nbsp;analysis&nbsp;of the energy production of the PV&nbsp;plants&nbsp;for different operating conditions, the results of the&nbsp;analysis&nbsp;of the&nbsp;electricity&nbsp;production of the PV&nbsp;plants&nbsp;in the world and the estimation of the influence of the main factors (temperature, the intensity of the solar radiation, the degree of shading) on the deviation of the characteristics of the&nbsp;photovoltaic&nbsp;cells. It has been proposed the concept and the general theoretical&nbsp;aspects&nbsp;regarding the elaboration of the mathematical model of the PV&nbsp;power&nbsp;station, which takes into account the influencing factors on the&nbsp;efficiency&nbsp;of&nbsp;electricity&nbsp;production. It has been shown that in the mathematical model the influence of the sun&#39;s motion on the celestial vault can be modeled by varying the intensity of the solar radiation depending on the positioning of the sun.</p></description>
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