严寒地区太阳能光伏光热土壤源热泵系统运行特性研究

张晓明; 陈绍埜; 王晨铮; 王馨慰; 陈启立; 肖晓阳

doi:10.19912/j.0254-0096.tynxb.2025-0780

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严寒地区太阳能光伏光热土壤源热泵系统运行特性研究

更新时间：2026-10-15

- 严寒地区太阳能光伏光热土壤源热泵系统运行特性研究
- Vol. 47, Issue 9, Pages: 589-598(2026)
- 作者机构：
- 作者简介：
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- DOI：10.19912/j.0254-0096.tynxb.2025-0780
  CLC： TK519
- Online First：10 October 2026，
  
  Published：2026
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张晓明, 陈绍埜, 王晨铮, et al. 严寒地区太阳能光伏光热土壤源热泵系统运行特性研究[J]. 2026, 47(9): 589-598.
DOI：

张晓明, 陈绍埜, 王晨铮, et al. 严寒地区太阳能光伏光热土壤源热泵系统运行特性研究[J]. 2026, 47(9): 589-598. DOI： 10.19912/j.0254-0096.tynxb.2025-0780.

摘要

针对严寒地区冬季热负荷远大于夏季冷负荷

单一土壤源热泵系统长期运行后会导致系统性能逐年下降的问题

该文通过TRNSYS软件建立光伏光热土壤源热泵系统（PV/T-GSHP）的仿真模型

通过满足不同发电量确定PV/T面积

并探究不同PV/T供回水温差控制策略对系统制冷、制热、性能的影响

分析PV/T-GSHP系统的全年热性能。结果表明

当该系统发电量满足日常照明、热泵能耗、水泵能耗时

热泵机组在供暖期和制冷期性能系数分别为4.21、6.33

系统长期运行10 a后的温度与初始温度相比降低1.95 ℃。当PV/T出口温度与预热水箱温差由8 ℃降低到6 ℃时

系统能耗和发电量分别增加2.24%、1.63%

生活热水需求未满足情况减少16%

表明合理确定PV/T安装面积和采用合适的PV/T进出口温差能有效提升PV/T-GSHP系统运行性能。

Abstract

In severe cold regions

the winter heating load is significantly greater than the summer cooling load. The long-term operation of a standalone ground source heat pump （GSHP） system leads to a gradual decline in system performance. To address this problem

a photovoltaic/thermal-ground source heat pump （PV/T-GSHP） simulation model is established using the TRNSYS software. The PV/T installation area is determined according to different power generation requirements

and the effects of different PV/T supply and return water temperature difference control strategies on system heating and cooling performance are investigated. The annual thermal performance of the PV/T-GSHP system is comprehensively analyzed. The results show that when the power generation satisfies the energy demands for daily lighting

heat pump operation

and water pump operation

the coefficient of performance （COP） of the heat pump unit is 4.21 in the heating season and 6.33 in the cooling season. After 10 a of continuous operation

the soil temperature decreases by 1.95 ℃ compared with the initial state. When the temperature difference between the PV/T outlet and the preheating water tank decreases from 8 ℃ to 6 ℃

the system energy consumption increases by 2.24%

the power generation increases by 1.63%

and the unmet domestic hot water demand decreases by 16%. It is concluded that reasonable determination of the PV/T installation area and optimal setting of the PV/T temperature difference control strategy can effectively improve the long-term operational performance of the PV/T-GSHP system.

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references

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