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 2. These two methods are compared with a typical fuzzy logic controller in simulation and in a hardware power electronics prototype to verify the reliability of the controllers. Some performance indexes are evaluated in the time response of the system.
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