2Poza F,Marino P,Otero S,et al. Programmable electronic instrument for condition monitoring of in-service power transformers[J]. IEEE Trans. Instrum.& Meas.,2006,55(2) : 625-634.
3Alessandro E C, Francesco M, Mario T. Diagnosis of the state of power transformer windings by on-line measurement of stray reactance. IEEE Trans. Instrum & Meas, 1993,42(2) : 372-378.
4Leibfried T, Feser K. Monitoring of power transformers using the transfer function method. IEEE Trans. Power Deliv., 1999,14(4): 1333-1341.
8Mechefske K C. Correlating power transformer tank vibration characteristics to winding looseness[J]. Insight, 1995, 37(8): 599-604.
9Mechefske K C. Assessing the internal mechanical integrity of power transformers using vibration tests[C]. ASEM Joint Power Generator Conference. Honston, Texas, USA, 1996: 953-958.
10Rusov V A. Monitoring clamping forces in windings and cores of large power transformers using their vibration characteristics[J]. Electric Power Plants, 1998, 6: 52-57.
