TY - JOUR T1 - Nanocrystalline material in toroidal cores for current transformer: analytical study and computational simulations JO - Materials Research A1 - Luciano, Benedito Antonio A1 - Albuquerque, João Marcelo Cavalcante de A1 - Castro, Walman Benício de A1 - Afonso, Conrado Ramos Moreira SN - 1516-1439 UL - 10.1590/S1516-14392005000400007 VL - 8 Y1 - 2005 PB - Brasil ER -