5Zalya Berler, Alexander Golubev, et al. Vibro-acoustic method of transformer clamping pressure monitoring [ A] . Conference record of the 2000 IEEE international symposium on electrical insulation [C]. USA, 2000. 4: 263-266.
6J C Lavalle. Failure detection in transformer using vibrational analysis [D]. Cambridge, MA, USA: MIT, 1986.
7B Weiser, H Pfutzner. Relevance of magnetostriefion and forces for the generation of audible noise of transformer cores. IEEE Trans. on Mag. 2000, 36(5) : 3759-3777.
8A B Madin, J D Whitaker, The dynamic behavior of transformer winding under axial short-circuit forces . Proceedings IEE, 1963, 110(3): 535-550.
9E Reipkinger. Study of noise emitted by power transformers based on today viewpoint [ R]. CIGRE paper, 1988. 8, No.12-08.