1.Oil-immersed power transformers 2,Low loss, 3,low partial discharge 4,Enviromental Protection 5,Loss impedance 1. Compositions of amorphous alloy ... transformers can meet the requirements of low noise and low loss.(2)Both the high- and low-voltage windings are square copper windings. In ... 20 years.2. Amorphous alloy transformers are characterized by low noise and low loss, whose no-load loss is 1/5 ...