Experimental study on performance of hybrid PV/T solar system and its influencing factors

YU Changfu; RUAN Yingjun; WU Jiazheng

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Experimental study on performance of hybrid PV/T solar system and its influencing factors

Thermal Power Generation Vol. 44, Issue 11, Pages: 20-25(2015)

更新时间：2025-09-28

- Experimental study on performance of hybrid PV/T solar system and its influencing factors
- 作者机构：
  
  同济大学机械与能源工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM615
- Published：2015
- 稿件说明：
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YU Changfu, RUAN Yingjun, WU Jiazheng. Experimental study on performance of hybrid PV/T solar system and its influencing factors[J]. Thermal Power Generation, 2015, 44(11): 20-25.
DOI：

YU Changfu, RUAN Yingjun, WU Jiazheng. Experimental study on performance of hybrid PV/T solar system and its influencing factors[J]. Thermal Power Generation, 2015, 44(11): 20-25. DOI：

摘要

为分析太阳能光伏光热一体化(PV/T)系统热效率、电效率和火用效率等性能的影响因素

设计并构建了PV/T实验系统

基于全天太阳能辐照度、环境温度、入口水温度等参数和与光伏(PV)对比子系统性能的比较

分析了冷却流体、入口水流量、太阳能电池覆盖率对PV/T系统性能的影响。结果表明:PV/T系统集热器平均电效率较PV对比子系统集热器提高了0.91%;入口水流量较小时

PV/T系统集热器热效率和电效率均较低

但其能够获得较高的出口水温度和火用效率;PV/T系统集热器热效率与太阳能电池覆盖率呈现负相关关系

PV/T系统集热器电效率与太阳能电池覆盖率呈现正相关关系。

Abstract

In order to study the thermal efficiency

electrical efficiency and primary-energy saving efficiency of the hybrid photovoltaic/thermal(PV/T)solar system and their affecting factors

this paper built up an experimental system and analyzed the effects of cooling fluid

water flow speed and cover ratio of PV cells on the PV/T system performance

on the basis of comparison of such parameters as all day solar energy radiation

environmental temperature and entrance water temperature between the PV/T system and the PV system.The results show that the average electrical efficiency of this PV/T system was 0.91% higher than that of the PV system.With low water mass flow rate

both the thermal efficiency and electrical efficiency of the PV/T system were low

but the outlet temperature and exergy efficiency were high.Additionally

there was a significant negative correlation between the thermal efficiency and packing factor

but the electrical efficiency had a positive correlation with the packing factor.

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