Title Development of Real-Time Heating Temperature Setting Process for Energy Saving of a Building with Simultaneous Heating and Cooling Systems
Authors 이유진(Lee, Yu-Jin) ; 이석현(Lee, Seok-Hyun) ; 신대욱(Shin, Dae-Uk)
DOI https://doi.org/10.5659/JAIK.2023.39.4.211
Page pp.211-218
ISSN 2733-6247
Keywords Simultaneous Heating and Cooling systems; Heat Pump; Temperature Setting; Energy Saving; Load-Balancing
Abstract Simultaneous Heating and Cooling systems are advantageous when heating and cooling loads occur simultaneously in a building; the usage of auxiliary heat sources is inevitable because the occurrence of the loads may vary. Since the auxiliary heat source has a lower COP than the simultaneous heating and cooling systems, more energy is required when removing the same amount of load. To reduce energy, the usage of simultaneous heating and cooling systems and auxiliary heat sources must be increased and decreased, respectively. In this study, a process that can determine the heating set temperature in real-time was proposed to increase the usage of simultaneous heating and cooling systems for buildings where the cooling load exceeds the heating load. This process determines the temperature for the next point using the heating temperature of the previous point and the energy inside the tank. These results confirmed that energy can be reduced while maintaining a more pleasant temperature.