9Babnik T, F Gubina. Two approaches to power transformer fault classification based on protection signals [J].International Journal of Electrical Power & Energy Systems, 2002, 24 (6) : 459 -468.
10Hung C, Wang M. Diagnosis of incipient faults in power transformers using CMAC neural network approach [J]. Electric Power Systems Research, 2004. 71 (3) : 235 - 244.
