Abstract
Power systems are vulnerable to natural disasters and a proper load restoration strategy after blackouts is significant for the resilience enhancement. Current studies of load restoration including transient constraints have not considered the dynamic boundaries of microgrids and the software interaction between steady-state optimization and transient simulation has not yet been fully expounded on. To solve these problems, this paper proposes a load restoration scheme utilizing dynamic microgrids formation with transient constraints guaranteed. Specifically, an online closed-loop of steady-state optimization and transient simulation is established. For practical applications, the interaction between PSCAD and MATLAB is also presented in detail. The case study based on the IEEE 37-node test feeder shows the importance of integrating transient simulation verification and feedback in the load restoration strategies. In addition, the proposed scheme can provide guidance for further hardware-in-the-loop test and industrial controller design.
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