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This paper presents a novel 2-stage microgrid unit commitment (Microgrid-UC)algorithm considering cold-load pickup (CLPU) effects, three-phase loadbalancing requirements, and feasible reconfiguration options. Microgrid-UCschedules the operation of switches, generators, battery energy storagesystems, and demand response resources to supply 3-phase unbalanced loads in anislanded microgrid for multiple days. A performance-based CLPU model isdeveloped to estimate additional energy needs of CLPU so that CLPU can beformulated into the traditional 2-stage UC scheduling process. A per-phasedemand response budget term is added to the 1st stage UC objective function tomeet 3-phase load unbalance limits. To reduce computational complexity in the1st stage UC, we replace the spanning tree method with a feasiblereconfiguration topology list method. The proposed algorithm is developed on amodified IEEE 123-bus system and tested on the real-time simulation testbedusing actual load and PV data. Simulation results show that Microgrid-UCsuccessfully accounts for CLPU, phase imbalance, and feeder reconfigurationrequirements.

A Novel Feeder-level Microgrid Unit Commitment Algorithm Considering Cold-load Pickup, Phase Balancing, and Reconfiguration