1.Oil-immersed power transformers 2,Low loss, 3,low partial discharge 4,Enviromental Protection 5,Loss impedance ... the requirements of low noise and low loss.(2)Both the high- and low-voltage windings are ... 2. Amorphous alloy transformers are characterized by low noise and low loss, whose no-load loss is ... , they are maintenance-free and involve low operation cost.3.Amorphous alloy transformers are characterized ...