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Development and Lab-scale Performance Evaluation of a High Temperature Heat Pump for Integration into a Power-to-Heat to-Power System.

Number: No 103

Author(s) : RAMIREZ M., TREBILCOCK F., PEÑA X., MARTINEZ-URRUTIA A., HASSAN A. H.

Summary

Power-to-heat-to-power systems are an interesting approach to deal with the intermittent power generation from renewable energy sources. However, storing heat requires large storage volume and associated heat losses decrease the system performance. High Temperature Heat Pump (HTHP) systems can operate during surplus power generation periods storing heat in a latent heat storage and discharge it to drive a heat engine for electricity generation. The presented work has been performed under the frame of the EU funded CHESTER project (www.chester-project.eu) in which the performance of this technology is assessed. This paper presents the experimental study of a HTHP which will be integrated into a Compressed Heat Energy STorage (CHEST) system. A Low Global Warming Potential (GWP) working fluid is implemented and the configuration cycle is selected to optimize the charging conditions of a latent heat storage. The operating temperatures of the HTHP are set from 72°C to 105°C in the heat source side. The heat sink temperature is set at 133°C that corresponds to the melting point of the phase change material. 

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  • Original title: Development and Lab-scale Performance Evaluation of a High Temperature Heat Pump for Integration into a Power-to-Heat to-Power System.
  • Record ID : 30029984
  • Languages: English
  • Subject: Technology
  • Source: 13th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
  • Publication date: 2021/08/31

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