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RSS FeedsEnergies, Vol. 15, Pages 833: Microgrid Operation Optimization Using Hybrid System Modeling and Switched Model Predictive Control (Energies)

 
 

24 january 2022 12:20:52

 
Energies, Vol. 15, Pages 833: Microgrid Operation Optimization Using Hybrid System Modeling and Switched Model Predictive Control (Energies)
 


Optimization of economic aspects of microgrid operation in both grid-connected and islanded mode leads to contradictive definitions of optimality for both modes. There is no general agreement on how to cope with this duality. To address this issue, as well as modern energy market requirements and a better renewable energy utilization necessity in the case of large facilities, a comprehensive control solution utilizing the appropriate model is needed. In response, the authors propose a hybrid microgrid model covering fundamental features and designed to work in conjunction with two switched receding horizon control laws. A relevant controller is chosen according to the current microgrid operation mode and its cost function tailored to specific demands of the islanded or grid-connected operation. Performed research led to a new switched hybrid model predictive control approach focused on microgrid economic optimization. This approach utilizes an appropriate hybrid microgrid model also contributed by the authors. The introduced solution turned out to be effective in overall energy cost reduction in the case of large commercial facilities, regardless of grid-connection and renewable generation scenarios. Furthermore, it also provides satisfactory renewable energy and storage capabilities utilization in changing grid connection conditions.


 
81 viewsCategory: Biophysics, Biotechnology, Physics
 
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