Preprint Article Version 1 This version not peer reviewed

Community Microgrid Scheduling Considering Network Operational Constraints and Building Thermal Dynamics

Version 1 : Received: 14 September 2017 / Approved: 15 September 2017 / Online: 15 September 2017 (10:14:25 CEST)

How to cite: Liu, G.; Ollis, T.B.; Xiao, B.; Zhang, X.; Tomsovic, K. Community Microgrid Scheduling Considering Network Operational Constraints and Building Thermal Dynamics. Preprints 2017, 2017090060 (doi: 10.20944/preprints201709.0060.v1). Liu, G.; Ollis, T.B.; Xiao, B.; Zhang, X.; Tomsovic, K. Community Microgrid Scheduling Considering Network Operational Constraints and Building Thermal Dynamics. Preprints 2017, 2017090060 (doi: 10.20944/preprints201709.0060.v1).

Abstract

This paper proposes a Mixed Integer Conic Programming (MICP) model for community microgrids considering the network operational constraints and building thermal dynamics. The proposed multi-objective optimization model optimizes not only the operating cost, including fuel cost, purchasing cost, battery degradation cost, voluntary load shedding cost and the cost associated with customer discomfort due to room temperature deviation from the set point, but also several performance indices, including voltage deviation, network power loss and power factor at the Point of Common Coupling (PCC). In particular, the detailed thermal dynamic model of buildings is integrated into the distribution optimal power flow (D-OPF) model for the optimal operation. The heating, ventilation and air-conditioning (HVAC) systems can be scheduled intelligently to reduce the electricity cost while maintaining the indoor temperature in the comfort range set by customers. Numerical simulation results show the effectiveness of the proposed model and significant savings in electricity cost with network operational constraints satisfied.

Subject Areas

community microgrids; distribution optimal power flow; multiobjective optimization; thermal dynamic model; HVAC

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