Decentralized Management of Commercial HVAC Systems

Samy Faddel, Guanyu Tian and Qun Zhou
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Samy Faddel: Department of Electrical and Computer Engineering, University of Central Florida, Orlando, FL 32816, USA
Guanyu Tian: Department of Electrical and Computer Engineering, University of Central Florida, Orlando, FL 32816, USA
Qun Zhou: Department of Electrical and Computer Engineering, University of Central Florida, Orlando, FL 32816, USA

Energies, 2021, vol. 14, issue 11, 1-18

Abstract: With the growth of commercial building sizes, it is more beneficial to make them “smart” by controlling the schedule of the heating, ventilation, and air conditioning (HVAC) system adaptively. Single-building-based scheduling methods are more focused on individual interests and usually result in overlapped schedules that can cause voltage deviations in their microgrid. This paper proposes a decentralized management framework that is able to minimize the total electricity costs of a commercial microgrid and limit the voltage deviations. The proposed scheme is a two-level optimization where the lower level ensures the thermal comfort inside the buildings while the upper level consider system-wise constraints and costs. The decentralization of the framework is able to maintain the privacy of individual buildings. Multiple data-driven building models are developed and compared. The effect of the building modeling on the overall operation of coordinated buildings is discussed. The proposed framework is validated on a modified IEEE 13-bus system with different connected types of commercial buildings. The results show that coordinated optimization outperforms the commonly used commercial controller and individual optimization of buildings. The results also show that the total costs are greatly affected by the building modeling.

Keywords: commercial HVAC; microgrids; distributed optimization; multi-objective; costs (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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