The impact of renewable energy sources on power flows in the electric power system of Uzbekistan

Mirzabaev, A. M.; Mirzabekov, Sherzod; Makhkamov, T. A.; Soliev, O; Sitdikov, Oskar; Kodirov, D

doi:10.1063/5.0131374

Cited by 4 publications

(4 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Thus, according to the consumed electricity, it is necessary to install a battery of the required capacity. When designing a power supply system, it is necessary to correctly select the power of the battery in a circuit developed on the basis of the use of renewable energy sources [19]. When designing the power supply system, the capacity of installed solar and hydroelectric power plants is determined based on the calculation of the load.…”

Section: Resultsmentioning

confidence: 99%

Study on the combined use of solar and water energy in power supply systems

Kodirov

Kushakov²

2023

E3S Web Conf.

Self Cite

View full text Add to dashboard Cite

This article discusses the development of a system for the combined use of solar and water energy based on a systematic approach to power supply. An improved physical model has been developed based on a model for predicting the production of electricity, taking into account the power and time of solar radiation, the amount and speed of water flow. At the same time, the share of electricity in the use of solar and water energy was determined simultaneously, depending on the conditions for the uninterrupted supply of consumers with the daily necessary electricity. The assessment of indicators of the combined use of solar and water energy and the definition of energy efficiency were developed by the authors on the basis of an increase in the share of electricity obtained from renewable energy sources in the electricity supply, which is explained by the coincidence of theoretical and experimental results.

show abstract

Section: Resultsmentioning

confidence: 99%

Study on the combined use of solar and water energy in power supply systems

Kodirov

Kushakov²

2023

E3S Web Conf.

Self Cite

View full text Add to dashboard Cite

show abstract

“…The change in the height of the Sun in the sky during the year is determined by the recession of the Earth's axis, which is responsible for the declination of the Earth's axis relative to the ecliptic plane during the year. During the day, the Earth also rotates around its axis, describing a full circle; this movement is the cause of sunrises and sunsets [11][12][13][14][15].…”

Section: Solar Panel Orientation Methodsmentioning

confidence: 99%

“…We get before noon; in the afternoon where T is the duration of the photoperiod for solar panels when they are not shaded during the winter solstice (usually 4-6 hours); α height of solstice; ψ is azimuth angle of the Sun; h is the height of the obstacle; x is the length of the module in an inclined position; θ is angle of inclination; (12) D is minimum distance between rows; D' is the maximum length of the shadow. For the middle strip, with optimal fixation of the inclination angle, the following formula ( 7) is often used.…”

Section: Fig 6 Choosing the Distance Between Rowsmentioning

confidence: 99%

Method of orientation of solar panels of solar power plant

Mirzabekov

2023

E3S Web of Conf.

View full text Add to dashboard Cite

The generation of electricity by solar photovoltaic batteries depends on the angle of incidence of sunlight and is maximum when this angle is 90 degrees, i.e., rays fall strictly perpendicular. The greater the deviation from the 90-degree angle, the more radiant energy is reflected rather than extinguished by the solar modules. Therefore, it is especially important to correctly orient the surface of solar modules and set the desired inclination angle. To place photovoltaic panels on the site of a solar power plant, it is necessary to calculate their mutual shading, considering the design and dimensions of one solar cell panel and the method of its installation on the ground at a certain calculated angle.

show abstract

“…It is known that, based on the concept of supplying the Republic of Uzbekistan with electricity in 2020-2030, special attention has been paid to the production of electricity from renewable energy sources in 2020-2030, especially the development of solar energy. In order to achieve the development indicators of renewable energy, in 2020-2030 it is envisaged to build 3 GW of wind and 5 GW of solar power plants [1,2,3], for this, the decisions of the President of the Republic of Uzbekistan on the construction of solar Photovoltaic power station (PPS) in 4 regions of our Republic were signed. Based on these decisions, 4 solar PPSs with a total capacity of 1 196.6 MW will be commissioned by the end of 2023.…”

Section: Introductionmentioning

confidence: 99%

Analysis of photovoltaic power station (PPS) modeling using artificial neural network and PVsyst software

Mirzabaev,

Mirzabekov,

Kodirov

et al. 2023

E3S Web Conf.

Self Cite

View full text Add to dashboard Cite

The possibility of using the method of artificial neural networks to analyze the modes of complex electric power systems with integrated large photovoltaic stations is considered. Based on the correlation analysis, the main factors influencing the energy parameters of photovoltaic power plants were selected and the boundary conditions for the Pearson coefficient were determined. The algorithm of the developed program for calculating the modes of electric power systems using neural networks is described, which makes it possible to more accurately predict generation, taking into account climatic conditions. On the example of calculations of the modes of the South-Western part of the energy system of Uzbekistan, taking into account the change in power flows as the generation of the Navoi photovoltaic plant with a capacity of 100 MW changes, a comparative analysis of the results obtained by calculation with real measurements was carried out.

show abstract

The impact of renewable energy sources on power flows in the electric power system of Uzbekistan

Cited by 4 publications

References 12 publications

Study on the combined use of solar and water energy in power supply systems

Study on the combined use of solar and water energy in power supply systems

Method of orientation of solar panels of solar power plant

Analysis of photovoltaic power station (PPS) modeling using artificial neural network and PVsyst software

Contact Info

Product

Resources

About