... .Compensate harmonic, reactive power, unbalanced load.Filtering efficiency>97% Active Harmonic Filter Optimize your harmonic filtering efficiency: the advanced modular design and ... power networks, generally installed in parallel to the polluting loads. Active filter analyze the line current harmonics drawn by the loads and ... -2, 4-3, 4-4, 4-5, 4-6, 4-8, 4-11, IEC 60146, EN 55011 Class A, EN 50091 ...