Railway high voltage traction transformer

A railway high voltage traction transformer belongs to transformer manufacturing technology field. It contains casing with two bottom, main unit consisting of and iron core, oil tank having two sections, both end of winding having insulation end ring with inner fiber container, side beam, upward pull strap, foot pad, drawplate, high voltage and low voltage upper yoke clamping to form one hard entirety winding axial direction fastened through pressure nail and drawplate, upper part of tank set with four positioning device, main unit located on casing bottom. Said invention can prevent displacement or damage between casing and main unit in transportation process and without suspended core inspection in arriving site.