CC BY
5
UDC 622.625.28
Mustafakulov A.A., candidate of physical and mathematical sciences associate professor Jizzakh Polytechnic Institute Uzbekistan, Jizzakh city
ECONOMIC PERFORMANCE OF ALTERNATIVE ENERGY
SOURCES
Annotation: The article provides information on the possibilities of using alternative energy sources in small families and the economic performance of this energy. It has been shown that solar photovoltaic sources have a shorter payback period.
Keywords: energy, photoelectric plate, energy, solar, photocell, inverter, battery, efficiency.
Introduction:Worldwide, energy consumption per capita averages 2-4 kWh, which is constantly increasing. Therefore, the demand for alternative energy, especially solar photovoltaic devices, is growing, and now photovoltaic power plants with a capacity of 100 to 12,000 W are being developed and put into practice. There are also some shortcomings in the development of solar power plants, such as the inability of photovoltaic cells to convert sunlight to electricity, the high cost of photocells, the variability of the angle of solar radiation on the surface of photoelectric plates. In determining the efficiency of photovoltaic sources, it is necessary to calculate these economic indicators. This article analyzes the description of the main components of a photovoltaic source for a particular home and the economic performance of its use.
Solar photovoltaic devices consist of the following main parts:
FEP
CB I
A ' s
bA
Consumer (220 V, 50 Hz)
FEP photoelectric plate; CB-control block; RB-rechargeable battery; I-inverter.
The control unit controls the voltage connected to the load and the battery. FEP is a photoelectric plate that converts light energy into electrical energy, which is now made of silicon crystal and polycrystalline based plates. The
inverter amplifies the constant voltage generated at the FEP and converts it to an alternating voltage (220 V, 50 Hz).
The BA-battery accumulates the voltage generated in the FEP and serves to provide uninterrupted power to the consumer in the absence of light. The service life of photoelectric plates is on average 30 years. During this period, the inverter is replaced 1 time and the batteries 5 timesIf the average power consumption for an apartment of 6 people is assumed to be 2 kW, this power can be provided by photovoltaic panels in sufficient quantities. This loading capacity serves to power everyday electrical appliances such as low-power energy-saving lighting lamps, refrigerators, televisions, and low-power washing machines. The average solar radiation (radiation intensity) in our country is 1 kW / m2. The efficiency of modern photoelectric plates is 15%, and a photoelectric plate with a surface of 1 m2 can produce 150 watts of electricity. There should be a surface of a photoelectric plate to generate the 2 kW power required for a small family
S=2000/150=14 m2 The combined cost of a 2 kW photovoltaic plate with components is calculated by Mir Solar as follows:
Kc = 2 X 9,0 = 18,0 mln. sum. Electricity generated in a photoelectric plate in a yearis defined as W = Kd PMTbl
It is defined as the amount of electricity generated in a photoelectric plate within a year. In this case, Klc = 0,5 ^ 0,7 the coefficient is the loss correction, which takes into account the change in the angle of incidence of heat and light in the solar cell during the day; PM - maximum power of the photoelectric plate; Ts - hours of sunny days (1 year) [6].
In our country, the number of hours of sunshine during the year is 8501000 hours, the total power of the photoelectric plate is W = 0.7 x 2kvt x 1000 hours = 14000 kWh.
Nowadays, 1 kWh of electricity in our country costs 295 soums a year E = 14000 x295 = 4130000 soums.
The payback period of a photovoltaic device is determined as follows:
18 / 4.13 = 4.3
This means that the payback period has been reduced more than 3 times from 2000 to 2022. In subsequent years, the price of 1 kWh of electricity in separately used photovoltaic panels was 7 euros / kWh in 2004 and 5.5 euros / kWh in 2022. That is, the price of alternative electricity is declining. The price of traditional electricity across the country is rising steadily. In recent years, the price of electricity has increased by 3 ^ 5 times.
Conclusion: From the above data, it can be seen that the self-coverage costs of solar photovoltaic panels are continuously decreasing and alternative energy sources remain economically competitive with traditional electricity sources.
References:
1. Клычев Ш.И., Мухаммадиев М.М., Авезов Р.Р. и др. «Нетрадиционные-возобнавляемые источники энергии». Ташкент Изд-во «Фан ва технология»- 2010.
2. Мустафакулов, А. А., & Джуманов, А. (2020). Использование альтернативных источников энергии в горных районах джизакской области узбекистана. Интернаука, (41-1), 73-76.
3. Akhmedovich, M. A., & Fazliddin, A. (2020). Current State Of Wind Power Industry. The American Journal of Engineering and Technology, 2(09), 32-36.
4. Ходжаев М. «Перспективы использования возобновляемых источников энергии в приаралье». Экологический вестник № 4-5, 2011. стр. 8-14.
5. Мустафакулов, А. А., Муртазин, Э. Р., & угли Сафаров, А. А. (2016). Исследование возобновляемых источников энергии. Ученый XXI века, (31).
6. Кучкуров К., Панцырев А. «Солнечная энергетика Узбекистана: статус и перспективы развития». Экологический вестник. № 4-5, 2011, стр. 15-18.
7. Арзикулов Ф.Ф., Мустафакулов А.А. ва б.'Шамол электр генератори кувватини улчовчи дастурий таъминот" талабнома раками DGU 2021. 0103. 18.01.2021.
8. Urinov, S., & Zohid, Q. (2020). Power Losses in Electric Machines. International Journal of Engineering and Information Systems (IJEAIS) ISSN, 87-89.
9. Мустафакулов, А. А., Джуманов, А. Н., & Арзикулов, Ф. (2021). Альтернативные источники энергии. Academic research in educational sciences, 2(5), 1227-1232.
10. Mustafakulov, A. A., & Tollibayev, I. I. (2022). Device for obtaining" anode or living water" technical structure and principle of operation. Journal of Academic Research and Trends in Educational Sciences, 1(6), 59-64.
11. Kh, S. M., & Mustafakulov, A. A. (2021). Creative Problems in Electromechanics. Academic Journal of Digital Economics and Stability, 695700.
12. Мустафакулов, А. А., Халилов, О. К., & Уринов, Ш. С. (2019). Цель и задачи самостоятельной работы студентов.
13. Арзикулов, Ф. Ф., & Мустафакулов, А. А. (2021). Программное обеспечение, измеряющее мощност генератора энергии ветра.
14. Шакарбоев, Э., Инатов, Х., & Мустафакулов, А. (1984). Две изобретательские задачи по электричеству. Ж. Физика в школе, 6, 70.
15. Норматова, Д. А. (2021). Экологические проблемы биогазовых установок. In ADVANCED RESEARCH: PROBLEMS AND NEW APPROACHES (pp. 34-39).
16. Жураева, Н. М., & Ахмаджонова, У. Т. (2021). Использование творческой работы в кругах. Экономика и социум, (3-1), 552-555.
17. Жураева, Н. М., & Ахмаджонова, У. Т. (2020). Сверхпроводящие фуллерены и их применение в биофизике. Академическая публицистика,(2), 12-14.
18. Муртазин, Э. Р., Ахмеджанова, У., & угли Абдурахманов, Э. М. (2016). Расчёт мощности ветроэлектродвигателя. Ученый XXI века, (3-1).
