Enhancing Distribution Grid Resilience Through Model Predictive Controller Enabled Prioritized Load Restoration Strategy

被引:6
作者
Eseye, Abinet Tesfaye [1 ]
Zhang, Xiangyu [1 ]
Knueven, Bernard [1 ]
Jones, Wesley [1 ]
机构
[1] Natl Renewable Energy Lab NREL, Computat Sci Ctr, Golden, CO 80401 USA
来源
2020 52ND NORTH AMERICAN POWER SYMPOSIUM (NAPS) | 2021年
关键词
Distribution grid; DER; extreme event; load restoration; model predictive controller; resilience;
D O I
10.1109/NAPS50074.2021.9449732
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Effective resilience improvement strategies enable the power grid to cope with disruptive extreme events. Most power grid outages are caused by disruptions in distribution grids. Motivated by the urgent need for power system resilience research, this paper proposes a priority-weighted optimal load restoration technique to enhance the resilience of distribution grids against extreme events. The proposed technique is based on smart distribution technology and framed as sequential multi-step decision process (MDP) and mixed integer linear program (MILP). It is formulated as optimal control problem with a model predictive control (MPC) approach. We applied the devised MILP-MPC-based load restoration technique to a simplified single-bus version of the IEEE 13-bus distribution system with integrated distributed energy resources (DERs) such as wind turbine, photovoltaic array, microturbine, and energy storage device. The technique executes a reducing and rolling horizon optimization in each control step in real-time using the forecasted information of the renewables, the fuel status of the microturbine and the state of charge of the energy storage device. We consider an extreme event which triggered outage of the upstream utility grid and caused islanded operation of the distribution grid. We demonstrated the effectiveness of the proposed MPC approach in restoring the distribution grid loads based on their priority during the main grid outage-caused islanded operation.
引用
收藏
页数:6
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