• An improved high power factor three-phase diode rectifier employing zero-sequence inductance and ripple power re-rectificationSakkos, Tiiu; Sarv, Vello; Bolgov, Viktor3rd International Workshop Compatibility in Power Electronics : CPE 2003 : 28-30 May 2003, Gdansk - Zielona Gora, Poland2003 / p. 124-126 : ill