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Frequency constrained optimal power flow based on glow-worm swarm optimization in islanded microgrids

  • Autori: RIVA SANSEVERINO, E.; NGUYEN QUANG, N.; DI SILVESTRE, M.; Zizzo, G.; De Bosio, F.; Tran, Q.
  • Anno di pubblicazione: 2015
  • Tipologia: Proceedings (TIPOLOGIA NON ATTIVA)
  • OA Link:


This work presents an application of a swarm optimization method to solve the optimal power flow problem taking into account the constraints of frequency and line ampacity in three-phase islanded Microgrids. Each generation unit is equipped with a Power Electronics Interface. In the considered formulation, the droop control parameters are considered as variables to be adjusted by a higher control level, while the frequency is kept in rated bounds. Another typical constraint for OPF formulation, the max ampacity of each line, is also considered. Two case studies with different dimensions and electrical features have been considered and the obtained results show the efficiency of the proposed approach that can be straightforward extended to unbalanced systems.