Performance of flat-plate PV/T integrated heat pump water heating system

XU Guoying; ZHANG Xiaosong; ZHAO Shanguo

doi:10.3969/j.issn.0438-1157.2012.z2.025

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Performance of flat-plate PV/T integrated heat pump water heating system

更新时间：2025-12-10

- Performance of flat-plate PV/T integrated heat pump water heating system
- CIESC Journal Issue S2, Pages: 136-141(2012)
- 作者机构：
  
  1. 东南大学能源与环境学院,江苏,南京,210096
  2. 常熟市东南应用技术研究院, 江苏常熟,215500
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.z2.025
  CLC： K519
- Online First：28 December 2012，
  
  Published：28 December 2012
- 稿件说明：
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XU Guoying, ZHANG Xiaosong, ZHAO Shanguo. Performance of flat-plate PV/T integrated heat pump water heating system[J]. CIESC Journal, 2012, (S2): 136-141.
DOI：

XU Guoying, ZHANG Xiaosong, ZHAO Shanguo. Performance of flat-plate PV/T integrated heat pump water heating system[J]. CIESC Journal, 2012, (S2): 136-141. DOI： 10.3969/j.issn.0438-1157.2012.z2.025.

摘要

研究了一种平板型太阳能光伏/光热一体化热泵(PV/T-HP)系统

制冷剂R134a直接在太阳能光伏板背面盘管内吸热而蒸发

以降低光伏电池工作温度

保证其高效稳定地输出电能;集热器同时作为蒸发器

所收集的热量经热泵循环进行温度提升

为建筑提供生活热水、供暖和驱动制冷空调。对平板型PV/T-HP热水系统在南京室外的一个夏季晴天工况下循环加热180 L水至60℃进行了实验研究

探讨了太阳总辐照度、光伏/集热器工作温度以及光电输出控制方式对系统光电、光热综合输出特性的影响规律;对比实验得出了在热电联供模式下

系统发电量比无冷却的单一光电输出模式下相对高出35%。

Abstract

A solar photovoltaic/thermal integrated heat pump (PV/T-HP) system was proposed. Refrigerant

R134a flowing inside the tubes below the PV cells

absorbs the solar heat and evaporates.The heated water produced by heat pump could be used to supply domestic hot water services combined with space heating

or to assist solar cooling system in buildings.The system’s thermodynamic and photovoltaic output characteristics for heating 180 L water up to 60℃ were investigated experimentally on a summer sunny day in Nanjing

China.The performances of the prototype for both electricity generation and water heating vs that for electricity generation only were compared.Results show that

the performance of PV cells without cooling is deteriorated greatly at noon

because of its higher working temperature.While for the PV/T-HP system

the cells is operated on a stable and uniform temperature condition

and therefore output more electricity by 35%.

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