... -load of the transfomers is lower;Use thoroughly filtrated transformer oil containing less water,gas and impurities,which makes ... 4.Sealed Tank.Compared with coomon oil-immersed transformer,omniseal oil-immersed transformer taking off oil storage cabinet adopts wing-like ... compact coil,it has further short-circuit resistance.6.Transformer service conditionThe height above see level is below 1kmAmbient ...