Abstract
This paper presents a dynamic simulation of a heat pump using butane refrigerant for the purpose of integration with a combined cycle power system and thermal energy storage to enhance flexibility. A dynamic model of a heat pump system is developed using the Amesim software and the simulation result in the case of changing the heat source and heat sink conditions is shown to validate the simulation performance.
Highlights
The fluctuating power output of renewable energy sources makes the electric grid potentially unstable, it is necessary to increase the flexibility of the grid and its possibility to store energy
This paper presents a dynamic simulation of a heat pump using butane refrigerant for the purpose of integration with a combined cycle power system and thermal energy storage to enhance flexibility
The PUMP-HEAT project [1] aims to develop a new advanced energy system that integrates a combined cycle system with highly efficient fast-cycling heat pumps, where thermal energy storage is used as an electrical-equivalent storage enhancing flexibility
Summary
The fluctuating power output of renewable energy sources makes the electric grid potentially unstable, it is necessary to increase the flexibility of the grid and its possibility to store energy. The PUMP-HEAT project [1] aims to develop a new advanced energy system that integrates a combined cycle system with highly efficient fast-cycling heat pumps, where thermal energy storage is used as an electrical-equivalent storage enhancing flexibility. Dynamic simulation plays an important role in the investigation of the PUMP-HEAT conceptual design and optimization under various dynamic operational conditions. A dynamic model of a heat pump system using butane was developed using Amesim [2], and the simulation example in the case of changing water flow rate of heat source and heat sink was presented to validate the simulation performance. Operational inputs of the system are basically water conditions of heat sink and heat source side and rotary speed of a compressor
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