Efficient harmonic distortion reduction in diode-bridge rectifiers using parallel re-rectification of the ripple powerSakkos, Tiiu; Sarv, Vello; Soojärv, Jüri5th International Conference : Electrical Power Quality and Utilisation : September 15-17, 1999, Cracow, Poland : EPQU'99 : proceedings1999 / p. 383-390: ill