Abstract
Nowadays, microgrids are gaining importance in electric power generation and distribution environments due to their flexibility, versatility, scalability and the possibility of supplying ancillary services when connected to the grid. They allow for the customization of electric supply for very different types of consumers. Therefore, a new control model for power and energy management based on homeostaticity of electric power systems (EPS) is presented, which has been already analyzed and approved by ENEL Chile in its developmental stage. ENEL, the largest electric utility in the country, is interested in incorporating smart microgrids in the electricity distribution market, as part of a worldwide policy. Such microgrids are to be installed in buildings serviced by ENEL. To demonstrate the model’s utility, a Simulink model of a real microgrid is used, which is comprised of PV generation, energy storage, an air conditioning (AC) equipment and thermal storage of the building upon which the microgrid is installed. The behavior of every element is simulated, including the dynamic thermal model of the building in order to optimize energy management and power supply versus consumption. The behavior of the whole system is analyzed under different environmental profiles and energy consumption patterns using the proposed homeostaticity system.
Highlights
Nowadays, electric utility services are facing a series of legislation changes that totally alters the power environment
The present paper offers a view and a use case of microgrid control, using mechanisms based on reactive and predictive homeostasis
Lab to study reactive homeostasis (RH) and predictive homeostasis (PH) applications for distributed hybrid energy systems to be incorporated to the electric power distribution industry
Summary
Electric utility services are facing a series of legislation changes that totally alters the power environment. This has caused the emergence of problems that make the grid management difficult and are still not solved. Market policies are currently being influenced by the concept of “unbundling”. This principle establishes that the activities of generation, transmission, distribution and the electric supply must be managed by independent organizations, or even by regulated entities, as could be the transmission activities in the case of Europe [1]. The implementation of this idea requires a Energies 2019, 12, 1806; doi:10.3390/en12091806 www.mdpi.com/journal/energies
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