35

There are briefly analyzed the features of the use of a tracking system for the Sun for solar power installations and stations. There are considered methods, approaches and programs for calculating the optimal angle of inclination of photovoltaic arrays relative to the horizon for the regions of Uzbekistan. There was made a study of the influence of the angle of inclination of photovoltaic batteries (PVB) at a photovoltaic station (PVS) integrated with a low-voltage electrical network (0.4 kV) on the amount of electricity generation using the PV SYST.7.2 software package. Calculations to determine the optimal inclination angles of photovoltaic batteries (β0) were performed for the southern region (Termez), the northwestern part of the region (Muynak) and the northeastern part (Tashkent) at various PVB inclination angles β~180÷ 720. The optimal angles of inclination were determined for the stationary location of the PVB to generate the maximum electric power of the PVS during the year. Based on the simulation results, the optimal values of PVS electricity generation are determined taking into account (β0) and the differences in PVS electricity generation due to different values of (β0) and geographic latitudes (βс.ш0 ) for the regions (Termez, β~310, Еβ ~16036 kWh, ∆ЕPVS=55 kWh ), (Muynak, β~320, Еβ ~14789 kWh, ∆ЕPVS=66 kWh ) and (Tashkent, β~330, Еβ ~15360 kWh , ∆ЕФЭС=121 kWh ). The difference in electricity losses before it is supplied to the low-voltage network in those regions is insignificant and amounts to 2.2÷2.3% in comparison with the amount of energy produced by the PVS itself.

  • Web Address
  • DOI
  • Date of creation in the UzSCI system07-12-2023
  • Read count35
  • Date of publication23-10-2023
  • Main LanguageIngliz
  • Pages93-99
English

There are briefly analyzed the features of the use of a tracking system for the Sun for solar power installations and stations. There are considered methods, approaches and programs for calculating the optimal angle of inclination of photovoltaic arrays relative to the horizon for the regions of Uzbekistan. There was made a study of the influence of the angle of inclination of photovoltaic batteries (PVB) at a photovoltaic station (PVS) integrated with a low-voltage electrical network (0.4 kV) on the amount of electricity generation using the PV SYST.7.2 software package. Calculations to determine the optimal inclination angles of photovoltaic batteries (β0) were performed for the southern region (Termez), the northwestern part of the region (Muynak) and the northeastern part (Tashkent) at various PVB inclination angles β~180÷ 720. The optimal angles of inclination were determined for the stationary location of the PVB to generate the maximum electric power of the PVS during the year. Based on the simulation results, the optimal values of PVS electricity generation are determined taking into account (β0) and the differences in PVS electricity generation due to different values of (β0) and geographic latitudes (βс.ш0 ) for the regions (Termez, β~310, Еβ ~16036 kWh, ∆ЕPVS=55 kWh ), (Muynak, β~320, Еβ ~14789 kWh, ∆ЕPVS=66 kWh ) and (Tashkent, β~330, Еβ ~15360 kWh , ∆ЕФЭС=121 kWh ). The difference in electricity losses before it is supplied to the low-voltage network in those regions is insignificant and amounts to 2.2÷2.3% in comparison with the amount of energy produced by the PVS itself.

№ Author name position Name of organisation
1 Rustamova S.S. teacher TDTU
2 Yuldoshev I.A. teacher TDTU
3 Kudratov A.. teacher TDTU
4 Shoguchkarov S.. teacher TDTU
5 Atoeva M.. teacher TDTU
№ Name of reference
1 1. Kh.K. Zainutdinova. “Use of solar energy in Uzbekistan: market and marketing issues”, Tashkent, 2015. 336.
2 2. S.K. Shoguchkarov., S. Khushbakov., Sh.Sh. Rustamova., T.R. Zhamolov., Y.M. Kurbanov., M. Atoeva. Research of energy and environmental performance of a photovoltaic power station connected to a local electrical grid. Tashkent state technical university. International scientific and technical conference “Trends in the development of alternative and renewable energy: problems and solutions” Tashkent, 2021. 355.
3 3. I.A. Yuldoshev., Kh.K. Tashmatov., E.B. Saitov., B. Wurl. Commissioning and operation of a solar photovoltaic station integrated with a local electrical network. “Solar technology”, 2017.
4 4. I.A. Yuldoshev., S. Shoguchkarov., T. Jamolov., Sh. Rustamova. Features of operation of the gird connected photovoltaic power station with a power of 10 kW. “E3S Web of Conferences”, 2020.
5 5. N.A. Matchanov., U.A. Avloqulov. Development of projects of national standards for solar energy in Uzbekistan. “Applied Solar Energy”, USA, 2016. 124.
6 6. N.A. Matchanov., B.N. Butunbaev., D.Sh. Saidov., K.A. Bobojonov. Monitoring system for low power photovoltaic stations. “Applied Solar Energy”, 2020. 464.
7 7. V.G. Dyskin., M.N. Tursunov., I.A. Yuldoshev. Device for determining the optimal orientation angles of photovoltaic arrays. “Problems of energy and resource saving (Special issue)”, 2013. 79.
8 8. N.V. Kharchenko. Individual solar installations. ”Energo atom publishing”, Moscow, 1991. 127.
9 9. Y.D. Arbuzov., V.M. Evdokimov. Fundamentals of photoelectricity. “Science”, Moscow, 2007. 258.
10 10. I. Yuldoshev., Y. Kurbanov., Sh. Rustamova. Modeling the operation of a 10 kW grid-tied photovoltaic power plant and its features. Rudenko International Conference “Methodological problems in reliabitily study of large energy systems” (RSES 2021). “AIP Conf. Proc”, 2021. 2552.
11 11. R.T. Bhoj., B. Nawraj., A.K. Jha Performance analysis of a 100 kWp grid connected solar photovoltaic power plant in Kharipati, “Proceedings of IOE graduate conference”, Nepal, 2017. 629.
12 12. Y.R. Akbarov. Some features of determining the optimal angle of inclination of solar installations. Tashkent state technical university. International scientific and technical conference. “Trends in the development of alternative and renewable energy: problems and solutions”, 2021. 388.
13 13. Y.V. Daus., D.A. Desetichenko., I.V. Yudaev. The use of PMTs in power supply systems for agricultural consumers. International scientific and technical conference. “Trends in the development of alternative and renewable energy: problems and solutions”, 2021. 328.
14 14. M. Sarailoo., S. Akhlaghi., M. Rezaeiahari., H. Sangrody. Residential solar panel performance improvement based on optimal intervals tilt angle”. “IEEE power and energy society general meeting”, USA, 2017. 5.
15 15. R.Y. Akbarov. Determination of the optimal angle of inclination of a solar installation based on model calculations. Proceedings of the republican scientific conference. “Modern problems in the physics of polyconductors", Tashkent, 2018. 173.
16 16. O.K Polvonov., K.Z. Siddikov., R.A. Siddikov. Increasing the efficiency of photoelectric plants using solar panel orientation systems. International scientific and technical conference. “Trends in the development of alternative and renewable energy: problems and solutions”, 2021. 216.
Waiting