General objective Improve the performance of the current control laws used in Micro-grids (MG) through the use of the hierarchical methodology and the optimization of their control laws, allowing the MG to deliver quality and reliable energy to the consumer in both modes of operation interconnected and isolated from the main power grid Justification The high dependence on fossil fuels for various sources of electricity generation, CO2 emissions into the atmosphere, and the constant increase in energy consumption due to the increase in alternative electric means of cooking in homes and the insertion of electric mobility; All this, together with the poor quality of the energy supplied by a conservative and aging electrical network, have led to the energy system being unsustainable and requiring modifications to handle these problems. MGs as smart networks on a smaller scale represent one of the most interesting solutions for researchers. MGs improve power flow in distribution networks and reduce power losses in transmission lines by interconnecting distributed generation, battery energy storage systems (BESS) and loads (mainly based on droop control). ) have adequate behavior when implemented in hybrid microgrids, however, these conventional control strategies also have drawbacks such as:- There is no capacity for non-linear load sharing,- Load-dependent frequency deviation, - Compensation between the voltage regulation and the current exchange between the converters, - Management of the system in case of failures, - among others. To deal with these problems, this scientific project proposes to deepen the study, and develop new techniques and methodologies for the three-level hierarchical control model, mainly compensating for voltage and frequency deviations in the secondary level in coordination with the primary level. The control law to be developed for main power controllers must self-reconfigure to obtain optimal performance of the control system and the Micro-grid.
|Effective start/end date||22/01/18 → 22/01/18|
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