8RAHIMPOUR E,CHRISTIAN J,FESER K,et al. Trans- fer function method to diagnose axial displacement and radial deformation of transformer windings[J]. IEEE Trans- actions on Power Delivery, 2003,18(2) : 493-505.
9RYDER S A. Diagnosing transformer faults using frequen- cy response analysis[J]. IEEE Electrical Insulation Maga- zine, 2003,19(2) : 16-22.
10MALEWSKI R,POULIN B. Impulse testing of power transformers using the transfer function method[J]. IEEE Transactions on Power Delivery, 1988,3(2) : 476-489.
