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A microgrid is an integration of distributed energy sources, loads and energy storage systems. Indeed, energy storage systems are required in order to ensure reliability and power quality because of the intermittent nature of renewable energy sources and changes of load demand. Apart from that, the use of distributed energy storage units provides redundancy to the system and support possible increments...
Low voltage dc microgrids have been widely used for supplying critical loads, such as data centers and remote communication stations. Consequently, it is important to ensure redundancy and enough energy capacity in order to support possible increments in load consumption. This is achieved by means of expansion of the energy storage system by adding extra distributed energy storage units. However,...
With the increasing rate of Renewable Energy Sources (RES) installed and the different Microgrids schemes implemented around the world, it has done necessary to develop intelligent and autonomous control strategies to deal with the power flow and load sharing requirements. In this document, a hierarchical controller based on a Multi-agents Systems (MAS) methodology applied to low voltage Microgrids...
This document proposes a new defuzzfication methodology known as DBR (Defuzzification based on Boolean Relations), which is applied in this case, to a VSC HVDC system in order to control the active and reactive power flow. First, a brief dynamic study is presented in order to show the nonlinearities and the work operation range, next, is justified the theory application system of DBR and DBR type...
This document proposes a new defuzzfication methodology known as DBR (Defuzzification based on Boolean Relations), which is applied in this case, to a VSC HVDC system in order to control the active and reactive power flow. First, a brief dynamic study is presented in order to show the nonlinearities and the work operation range, next, is justified the theory application system of DBR and DBR type...
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