Optimization study on a solar-assisted air source heat pump system with energy storage based on the economics methodKeywords

被引：9

作者：

Wei, Bing ^{[1
]}

Wang, Yizhou ^{[2
]}

Liu, Zhijian ^{[2
]}

Liu, Boxiang ^{[2
]}

机构：

[1] North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing, Peoples R China

[2] North China Elect Power Univ, Sch Energy Power & Mech Engn, Baoding, Hebei, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ENERGY RESEARCH | 2020年 / 44卷 / 03期

关键词：

Air source heat pump; Energy storage; Solar collector; Facility optimization; Economics method; PERFORMANCE ANALYSIS; ACTIVE SOLAR; BUILDINGS; POVERTY; CHINA; HOUSE;

D O I：

10.1002/er.5057

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Currently, hybrid renewable energy systems with thermal energy storage have various advantages and are widely used. This paper investigated the performance of a solar-assisted air source heat pump system with energy storage (SASHPS-ES) in Beijing, China, and proposed an optimal operation mode based on economic evaluation. The results indicate that with the optimal heat storage ratio of 50%, the rated capacity of the air source heat pump (ASHP) of the SASHPS-ES system can be reduced by 16.7%, decreasing its annual total cost by 26.5% under a peak-valley electricity price policy. The price of 620 yen /m(2) is critical for the solar collectors. The economics of SASHPS-ES is better than that of an air source heat pump system with energy storage (ASHPS-ES) when the price of the selected solar collector units is less than this critical price (without subsidies from the government). In the current local market, the promotion of SASHPS-ES systems and other solar energy applications requires government subsidies for a period of time. The results can guide the utilization and popularity of SASHPS-ES in China.

引用

页码：2023 / 2036

页数：14

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