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2021 IEEE International Conference on Information Technologies

Unit Commitment and Economic Dispatch of Hybrid Microgrid with Residental Load

Natasha Dimishkovska
Atanas Iliev
Sofija Nikolova- Poceva
Ss. Cyril and Methodius in Skopje, Faculty of Electrical Engineering and Information Technologies
North Macedonia
Abstract:

As the future of power systems aims towards the implementation of microgrids, the need for their stable and secure operation increases. The key to secure microgrids’ operation, lies in proper optimisation. In this paper, the optimal unit commitment of an islanded hybrid microgrid is analysed. The proposed solution is based on a dynamic programming method, considering the weather conditions for distributed generator's operation, battery state of charge, and the backup generator. The presented case analyses a hybrid microgrid with a stochastic load. The test example reviews a microgrid that consists of a run-of-river power plant, wind, and photovoltaic generators.

Key words:
Microgrids
optimisation
unit commitment
distributed energy resources
dynamic programming