Yali Guo 郭亚丽 , Tao Zhang 张涛 , Huadong Zhou , Shengqiang Shen 沈胜强 , Minle Bao 鲍民乐 , Hongyu Bao 鲍宏宇 , Liang Wang 王亮 , Shaoguan Sun 孙绍官 , Fei Li 李飞 , Hongbao Wang 王洪宝
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引用次数: 0
Abstract
With the rapid advancement of photovoltaic and energy storage technologies, photovoltaic energy storage refrigerator systems have gained significant attention as an innovative energy solution. This paper designs and constructs an off-grid photovoltaic power generation energy storage refrigerator system, and evaluates its economic viability in practical environments. By measuring indoor temperature, refrigerator internal temperature, irradiance, and daily power generation, the paper analyzes system operating parameters such as refrigerator cooling rate and power supply mode, and studies the system's refrigeration performance, off-grid operation capability, and factors affecting daily power generation. Utilizing economic indicators such as benefit-cost ratio, levelized cost of electricity, investment dynamic payback process, net present value, and internal rate of return, the economic viability of the system is assessed. Results indicate that the system meets refrigeration performance requirements, maintaining a uniform temperature distribution and extended off-grid operation capability. Daily power generation is influenced by weather conditions, seasons, and all electrical loads in the system. In the Dalian region of China, the system demonstrates good economic viability, enabling investment recovery and profitability in a relatively short period. This system has broad market prospects in areas with abundant solar resources or high demand for refrigerator usage.
期刊介绍：
The International Journal of Refrigeration is published for the International Institute of Refrigeration (IIR) by Elsevier. It is essential reading for all those wishing to keep abreast of research and industrial news in refrigeration, air conditioning and associated fields. This is particularly important in these times of rapid introduction of alternative refrigerants and the emergence of new technology. The journal has published special issues on alternative refrigerants and novel topics in the field of boiling, condensation, heat pumps, food refrigeration, carbon dioxide, ammonia, hydrocarbons, magnetic refrigeration at room temperature, sorptive cooling, phase change materials and slurries, ejector technology, compressors, and solar cooling.
As well as original research papers the International Journal of Refrigeration also includes review articles, papers presented at IIR conferences, short reports and letters describing preliminary results and experimental details, and letters to the Editor on recent areas of discussion and controversy. Other features include forthcoming events, conference reports and book reviews.
Papers are published in either English or French with the IIR news section in both languages.
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