... 3,10,11,15,20,35kV Rated LV: 220,380,400,415,433V Oil-Immersed Transformer Description:Oil-Immersed Transformer Special Features:Low loss, low ... under 110% rated load.Low loss, energy-saving, economic and maintenance free. ... distribution. Lightning impulse wave process is carried out for calculation and analysis, thus to improve transformer's anti-lightning impulse capability.Oil-Immersed Transformer ...