1.Oil-immersed power transformers 2,Low loss, 3,low partial discharge 4,Enviromental Protection 5,Loss impedance 1. Compositions of amorphous alloy ... can meet the requirements of low noise and low loss.(2)Both the high- and low-voltage windings are square copper ... . Amorphous alloy transformers are characterized by low noise and low loss, whose no-load loss is 1/5 of that ofconventional S9 ...