A unity-power factor three-phase diodeelementsSakkos, Tiiu; Sarv, VelloPEDC'99 : International Workshop on Power Electronics Equipment for Power Quality Improvement : Slubice, 19991999 / p. 72-85

New trends in the development of power supplies for arc furnacesJanson, Kuno; Järvik, Jaan; Vinnal, ToomasPEDC'99 : International Workshop on Power Electronics Equipment for Power Quality Improvement : Slubice, 19991999 / p. 26-37