2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/226110General physics approach is applied to analysis of power components in electrical systems under sinusoidal and non-sinusoidal conditions. Physical essence of active, reactive and distorting powers are determinate. It is shown that the all three powers are the different aspects of the same physical phenomenon: mechanical action per time of Coulomb forces or inertial forces.18 pages, 1histogramGeneral Physicstext