Improved high-power-factor three-phase diode rectifiers using ripple-power re-rectification [Electronic resource]Sakkos, Tiiu; Sarv, Vello; Järvik, JaanEPE 2001 : 9th European Conference on Power Electronics and Applications : 27-29 August 2001, Graz2001 / [9] p. : ill. [CD-ROM]