3-phase power systems; Field programmable gate arrays; Power quality monitoring; Power supply unbalance; Reconfigurable architecture Current signal; Electric parameters; Electric systems; Electrical machine; Harmonic contents; Power quality monitoring; Power supply; Quality indices; Re-configurable; Reconfigurable architecture; Signal amplitude; Study case; Electric machinery; Field programmable gate arrays (FPGA); Logic gates; Power electronics; Power transmission; Signal receivers; Power quality