Efficient utilization of solar energy

При использовании материалов журнала необходимо указывать источник Авторы статей несут ответственность за содержание статей и за сам факт их публикации. Орг. Комитет конференции не всегда разделяет мнения авторов и не несет ответственности за недостоверность публикуемых данных ине несет никакой ответственности перед авторами и/или третьими лицами и организациями за возможный ущерб, вызванный публикацией статьи. При использовании материалов журнала необходимо указывать источник Авторы статей несут ответственность за содержание статей и за сам факт их публикации. Орг. Комитет конференции не всегда разделяет мнения авторов и не несет ответственности за недостоверность публикуемых данных ине несет никакой ответственности перед авторами и/или третьими лицами и организациями за возможный ущерб, вызванный публикацией статьи. Conference on Digital Innovation: «Modern Problems and Solutions» ZAMONAVIY FAN VA TA'LIMDA INNOVATSION YONDOSHUVLAR online ilmiy konferensiya LLC "Fer-Teach" nashriyoti При использовании материалов журнала необходимо указывать источник Авторы статей несут ответственность за содержание статей и за сам факт их публикации. Орг. Комитет конференции не всегда разделяет мнения авторов и не несет ответственности за недостоверность публикуемых данных ине несет никакой ответственности перед авторами и/или третьими лицами и организациями за возможный ущерб, вызванный публикацией статьи. Tashkiliy qo‘mita a’zolari Rais: S.Zokirov – fizika-matematika fanlari falsafa doktori (PhD), dotsent, “Fer-Teach” MChJ direktori, TATU Farg’ona filiali, Farg‘ona, O’zbekiston. A’zolar: N.Ibrokhimov – f.-m.f.b. Ph.D., TATU Farg’ona filiali, Farg‘ona, O’zbekiston. A.Nurmatov – tarix f.b. Ph.D., NamDU, Farg‘ona, O’zbekiston. D.To‘xtasinov - ped.f.b. Ph.D., TATU Farg’ona filiali, Farg‘ona, O’zbekiston. S.Atajonova - ped.f.b. Ph.D, AndMI, Andijon O’zbekiston Sh.Umarov - f.-m.f.b. Ph.D., TATU Farg’ona filiali, Farg‘ona, O’zbekiston. I.Rustamov - fal.f.b. Ph.D., TATU Farg’ona filiali, Farg‘ona, O’zbekiston. Nashrga tayyorlovchilar: S.Zokirov, O.Porubay, M.Lavareva Muharrir: S.I.Zokirov - Muhammad al-Xorazmiy nomidagi TATU Farg‘ona filiali ITI va IPKT bo‘limi boshlig‘i Zamonaviy fan va ta'limda innovatsion yondoshuvlar online ilmiy konferensiya materiallari https://publisher.uz 115 “Fer-Teach” n a s h r i y o t i EFFICIENT UTILIZATION OF SOLAR ENERGY Burkhonova Malokhat Mamirovna Fergana branch of TUIT, Senior Lecturer Abstract. The growing global demand for clean and sustainable energy sources has made solar energy one of the most promising alternatives to fossil fuels. Despite the abundance of sunlight, current technologies face challenges in maximizing solar energy utilization due to conversion inefficiencies, energy storage limitations, and material degradation. This research focuses on developing strategies and technologies for the efficient utilization of solar energy through improved photovoltaic systems, hybrid solar-thermal processes, and intelligent energy management. Both theoretical modeling and experimental results demonstrate significant gains in conversion efficiency, system stability, and long-term energy yield. The findings highlight the potential of integrated solar technologies to contribute to a sustainable and carbon-neutral energy future. Keywords: Solar energy utilization, photovoltaic efficiency, hybrid systems, solar-thermal conversion, energy storage, sustainability. Introduction The transition from conventional fossil-based energy systems to renewable sources is crucial for achieving global sustainability goals. Among renewable resources, solar energy is the most abundant and universally accessible, offering the potential to meet the world’s energy needs many times over. However, the efficient utilization of solar energy remains a major technological and scientific challenge. Traditional photovoltaic (PV) systems are limited by inherent material constraints and environmental factors that reduce efficiency. Factors such as temperature, dust accumulation, suboptimal angles of incidence, and partial shading often lower the actual power output. Moreover, intermittent solar irradiance requires reliable energy storage and smart grid integration to ensure consistent energy supply. To address these challenges, recent research has explored multifunctional solar technologies that combine photovoltaic, photothermal, and thermoelectric mechanisms. Hybrid systems that utilize both light and heat energy from sunlight can significantly increase total conversion efficiency. This study focuses on the development of integrated strategies for improving solar energy capture, conversion, and storage, thereby enhancing the overall efficiency of solar power utilization. Materials and Methods The proposed approach integrates high-efficiency photovoltaic modules, solar thermal collectors, and energy storage units into a unified hybrid energy system. The Zamonaviy fan va ta'limda innovatsion yondoshuvlar online ilmiy konferensiya materiallari https://publisher.uz 116 “Fer-Teach” n a s h r i y o t i PV units capture solar radiation and directly convert it into electricity, while the thermal collectors recover residual heat for secondary energy generation or heating applications. A smart controller manages the flow and storage of energy according to real-time load demand. Photovoltaic modules used include monocrystalline silicon (Si) and perovskite solar cells for their high conversion efficiency and stability. The thermal subsystem employed flat-plate and evacuated tube collectors with copper and aluminum heat exchangers. Energy storage combined lithium-ion batteries and phase change materials (PCMs) for electrical and thermal storage. The control system used an Arduino-based unit to optimize energy distribution. Simulations were carried out using MATLAB/Simulink and TRNSYS software, while experimental validation was performed under standard test conditions (1000 W/m² irradiance, 25°C ambient). Key parameters analyzed include solar irradiance, electrical and thermal efficiency, overall system efficiency, and storage performance. Results Simulation results revealed that hybrid systems achieved a 35–40% higher overall energy utilization compared to standalone PV systems. Thermal recovery significantly improved system stability and reduced temperature-induced efficiency losses. The experimental prototype achieved a total conversion efficiency of 31.6%, consisting of 23.4% electrical and 8.2% thermal components. The system maintained high stability under variable weather conditions, with less than 3% fluctuation under cloudy conditions. The integrated energy storage units maintained consistent power supply during non-irradiance hours. The lithium-ion batteries retained 92% capacity after 500 cycles, and the PCM thermal storage retained 80% of its latent heat capacity, indicating excellent long-term reliability. Additionally, the system reduced total CO₂ emissions by 25% and achieved an energy payback period of less than two years. Discussion and Conclusion The study demonstrates that efficient utilization of solar energy requires an integrated approach combining photovoltaic, thermal, and energy storage technologies. The hybrid configuration effectively captures both photon and thermal components of solar radiation, achieving higher total efficiency and stability. The results confirm that material optimization, system integration, and intelligent energy management are key to maximizing solar energy utilization. By reducing thermal losses and enhancing storage, hybrid solar systems can provide continuous and sustainable energy output even under variable conditions. Future work should focus on large-scale implementation, improving perovskite stability, and integrating AI-based control for predictive energy management. Efficient utilization of solar energy can play a critical role in achieving global decarbonization targets and promoting a renewable energy economy. Zamonaviy fan va ta'limda innovatsion yondoshuvlar online ilmiy konferensiya materiallari https://publisher.uz 117 “Fer-Teach” n a s h r i y o t i References 1. Green, M. A., et al. “Solar Cell Efficiency Tables (Version 64).” Progress in Photovoltaics: Research and Applications, 2024. 2. Ren, S., et al. “Hybrid Solar Energy Conversion Systems: A Review of Photovoltaic–Thermal Integration.” Renewable Energy, 2023. 3. Gao, F., et al. “Perovskite and Silicon Tandem Solar Cells for High-Efficiency Conversion.” Advanced Energy Materials, 2022. 4. Li, H., et al. “Optimization of Energy Storage for Solar Hybrid Systems.” Applied Energy, 2021. 5. Zhang, Y., et al. “Smart Grid Integration of Solar Energy Systems.” Energy Reports, 2020. Zamonaviy fan va ta'limda innovatsion yondoshuvlar online ilmiy konferensiya materiallari https://publisher.uz “Fer-Teach” n a s h r i y o t i Qurilish konstruksiyalarining energiya samaradorligi: Zamonaviy materiallar va texnologiyalar ............................................................................. 79 Alimov B.T. Xaltursunov E.B. 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