scholarly journals Case study on optimal design and operation of detached house energy system: Solar, battery, and ground source heat pump

2022 ◽  
Vol 308 ◽  
pp. 118370
Author(s):  
Ellen Nordgård-Hansen ◽  
Nand Kishor ◽  
Kirsti Midttømme ◽  
Vetle Kjær Risinggård ◽  
Jan Kocbach
2021 ◽  
Vol 2083 (3) ◽  
pp. 032033
Author(s):  
Kun Wang ◽  
Guochao Yang ◽  
Baohua Cheng ◽  
Zhiyong Gan ◽  
Yan Qi ◽  
...  

Abstract This paper analyzes the energy saving effect and optimal operation of the integrated park type energy system. The park type integrated energy system includes photovoltaic power generation system, ground source heat pump system, solar air conditioning system, regenerative electric boiler system and solar hot water system and so on. The energy saving benefit calculation model of each subsystem is established, and according to the operation history data of each subsystem, the calculation results of each subsystem are analyzed. It shows that: The energy saving income of photovoltaic power generation system is 734,200 yuan/year. The main revenue comes from the second and third quarters, during which it should pay attention to the maintenance of photovoltaic modules to ensure the maximum energy saving benefit. The energy saving income of ground source heat pump system in summer is 155,900 yuan/year, and the energy saving effect is not significant. It can cooperate with traditional units for cooling in summer. The heating in winter in the park is provided by ground source heat pump system, regenerative electric boiler system and solar energy air conditioning system. Its energy saving benefit is 3.995 million yuan/year which is the main source of energy saving income in the park, with remarkable energy saving effect.


2013 ◽  
Vol 8 (2) ◽  
pp. 3-15
Author(s):  
Saadia Barbhuiya ◽  
Salim Barbhuiya

INTRODUCTION In this paper an attempt has been made to provide the best options for renewable energy and low carbon technologies to reduce CO2 emissions from a detached house built in 1950 and located in London. The options for energy efficiency measures—photovoltaics, solar thermal, wind turbine, ground source heat pump, Gas CHP—have been evaluated on the basis of energy and CO2 savings and technical viability. The main conclusions derived from this study are summarised in this paper.


2020 ◽  
Vol 131 ◽  
pp. 110001 ◽  
Author(s):  
Zhenjun Ma ◽  
Lei Xia ◽  
Xuemei Gong ◽  
Georgios Kokogiannakis ◽  
Shugang Wang ◽  
...  

2020 ◽  
Vol 103 (2) ◽  
pp. 003685042092168
Author(s):  
Weisong Zhou ◽  
Peng Pei ◽  
Ruiyong Mao ◽  
Haibin Qian ◽  
Yanbing Hu ◽  
...  

In order to take advantage of different forms of heat pumps and to mitigate thermal imbalance underground caused by long-term operation of ground source heat pumps, hybrid ground source heat pump systems have received an increasing attention. In this research, based on the fact that abundant groundwater resources are commonly available in karst regions, a new strategy is introduced for selecting and determining hybrid ground source heat pump capacity. Five scenarios of hybrid ground source heat pump system coupling groundwater source heat pumps with other supplementary heat pumps are proposed in this article to provide appropriate options to eliminate heat buildup under different hydrogeologic conditions. Methodologies for sizing and selection are established. Then, a case study of techno-economic analysis was performed for a project in the karst region in South China. The results showed that these scenarios can effectively mitigate heat buildup, and under the hydrogeologic condition in the case study. Compared to the solo ground-coupled heat pump solution, the optimal solution (Solution 4 in this study) can reduce the annual costs by 16.10% and reduce the capital investment by 60%. Methodologies developed in this study are beneficial for selecting appropriate approaches to mitigate heat buildup and enhance competitiveness of ground source heat pumps.


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