Power transfor mer is an i mportant and expen-sive apparatus in power systems.Usually,trans-for mers operating in power system inevitablyencounter various surging fromshort-circuit fault.The short circuits can directly or indirectly give riseto tremendous electromagnetic stresses and ther malaccumulation,which may further cause the defor m-ation of transfor mer windings,e.g.,variation ofaxial or radial size,windings t wist,knobbing ofwiring harness and turn-to-turn short.Previousstudies on this topic have s...