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In order to minimize the harmonic of side network, several techniques of passive filtering and/or active are used. It is more economical using filters set in resonance to the frequency of the harmonic which is eliminated. In the exercises, the passive filters have some inconveniences which renders the delicate conception. Making the use of adaptive filtering much more appropriate. The aim of this paper is to understand the harmonics of side network and optimizing the exchange a reactive energy between the network and the converter, including the control of power factor and dc-link voltage using adaptive fuzzy logic controller (AFLC).