Comparison of the Efficiency of Autonomous Water Release Systems Based on Photovoltaic and Photothermal Batteries

IF 1.204 Q3 Energy

Applied Solar Energy Pub Date : 2023-10-08 DOI:10.3103/S0003701X2360100X

R. A. Muminov, M. N. Tursunov, X. Sabirov, M. M. Eshmatov, U. R. Xolov

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引用次数: 0

Abstract

This study considers the process of accumulating electrical energy in autonomous mobile photothermal water-release devices (AMPTWDs) and autonomous mobile photovoltaic water-release devices (AMPVWDs). These devices are based on photovoltaic (PVB) and photothermal batteries (PTB), and their performance is examined in relation to variations in battery charge and device efficiency. The study investigates the operating time of PVB and PTB water-release systems with power outputs of 150 and 300 W, respectively. These systems are equipped with acid batteries (ABs) having an electrical capacity of 100 A h. Additionally, the study analyzes the AB charging process and water release efficiency. The experiment took place in June 2022 in the settlement of Beshbulok, situated in the Dehkanabad district of the Kashkadarya region at a geographical latitude of 38°20′51″. Prior to the experiment, the AB was charged to 100% over a 12-h period using a special charging device, and the voltage was adjusted to 12.7 V. The efficiency analysis of PTB and PVB-based water-release systems revealed that the AMPTWD based on PTBs generates 1.62 times more water than the AMPVWD based on PVBs. Furthermore, by using two gel ABs with a capacity of 100 A h each instead of the ABs installed in the AMPTWD based on 300 W PTBs, an additional 750 W of power was generated, independent of the power required for water release. It was determined that the water pump used in this experiment or other household devices with similar power demands could be supplied with energy for a duration of 3 h.

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基于光伏和光热电池的自主放水系统效率比较

本研究考虑了自主移动光热释水装置（AMPTWD）和自主移动光伏释水装置中积累电能的过程。这些器件基于光伏（PVB）和光热电池（PTB），并根据电池电荷和器件效率的变化来检查它们的性能。本研究调查了功率输出分别为150和300 W的PVB和PTB排水系统的运行时间。这些系统配备了容量为100 A h的酸性电池（AB）。此外，该研究还分析了AB充电过程和水释放效率。实验于2022年6月在Beshbulok定居点进行，该定居点位于地理纬度38°20′51〃的Kashkadarya地区的Dehkanabad区。在实验之前，使用特殊的充电装置在12小时内将AB充电至100%，并将电压调节至12.7V。对基于PTB和PVB的排水系统的效率分析表明，基于PTB的AMPTWD产生的水是基于PVB的AMPVWD的1.62倍。此外，通过使用两个各自容量为100Ah的凝胶AB，而不是基于300W PTB安装在AMPTWD中的AB，产生了额外的750W功率，与水释放所需的功率无关。已经确定，在该实验中使用的水泵或具有类似功率需求的其他家用设备可以被供应能量持续3小时。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Solar Energy Energy-Renewable Energy, Sustainability and the Environment

CiteScore

2.50

自引率

0.00%

发文量

期刊介绍： Applied Solar Energy is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.