Photovoltaic and thermal performance of solar PV/T system with phase change material

被引：0

作者：

Zhang C. ^{[1
]}

Wang N. ^{[1
,2
]}

Xu H. ^{[1
]}

Zhang J. ^{[2
]}

Cao M. ^{[1
]}

Talkhoncheh F.K. ^{[3
]}

机构：

[1] Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai

[2] MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi

[3] Isfahan Saman Energy Company, Isfahan

来源：

Huagong Xuebao/CIESC Journal | 2020年 / 71卷

关键词：

Heat transfer; Phase change material; PV/T-PCM system; Regulation strategy; Solar energy;

D O I：

10.11949/0438-1157.20191092

中图分类号：

学科分类号：

摘要：

This paper based on the phase change heat storage and release characteristics of phase change material (PCM). The fatty acid PCM is filled in a collector equipped with metal fins to regulate the temperature of the photovoltaic (PV) plate. The performance of photovoltaic/thermal-PCM (PV/T-PCM) system under different intermittent thermal regulation strategy is analyzed. Results show that PCM can effectively alleviate the temperature fluctuation of PV cells. However, the temperature stratification phenomenon of PCM is still serious which restricts the utilization rate of PCM. A reasonable thermal regulation strategy plays an important role in preventing overheating of PV cells in PV/T-PCM systems and improving system performance. The data shows that the PV conversion efficiency can be increased by 3.4% and 2.6% respectively with the control of the Case 2 (control temperature is set to 45℃, the regulation time is 30 min) and the Case 3 (control temperature is set to 50℃, the regulation time is 30 min). On the other hand, the total efficiencies of the system in Case 2 and Case 3 are 90.8% and 84.45%, which are significantly improved compared with Case 1 (no regulation). © All Right Reserved.

引用

页码：361 / 367

页数：6

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