TY  - SER
AU  - Wang, Dongmiao
AU  - Tee, Sheng Ji
AU  - Wang, Zhongdong
AU  - liu, Qiang
TI  - Factorial Analysis  for  Ageing Assessment of In-Service Trans Formers
KW  - Monitoring Data
KW  - In-Service Trans Formers
KW  - Factorial Analysis
ER  -