Abstract
Integrated energy systems in buildings have become a fascinating area of research in the energy sector. This work deals with the modelling of integrated energy systems, which form a complex energy supply infrastructure for energy demand fulfilment of buildings. The scheduling of these energy systems is faced with the challenges of precise modelling of inter-dependencies and various uncertainties. Accordingly, an integrated energy system for buildings has been modelled first that includes electrical and thermal energy generators and storage devices, along with the cogeneration units like combined heating and power units, and electric boilers. Secondly, an energy management system (EMS) has been developed for optimal operation of the integrated energy system to minimize the total operation cost. As greenhouse gas emission is a primary concern in the energy supply sector, the proposed EMS also considers emissions from different energy generating units to minimize greenhouse gas emissions. Thus, the proposed paper investigates the modelling of generating units to minimize the total operation cost for the whole day with an emphasis on reducing emissions. The proposed EMS has been simulated on a practical test system of the CoSES lab, TUM, Germany. Results demonstrate the effectiveness of the proposed EMS in managing multi-energy building networks by reducing operating costs as well as significantly reducing CO2 emissions.
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