5Wood-Mallock J C, Steiner H, Wood L G. The effect of metals on transformer oils and some methods of protection against adverse effect[J]. J Inst Petrol, 1958,44: 320-333.
6Hughesand F, Haydock P T. Industrial use of passivated transformer oils[J]. J Inst Petrol, 1964, 50:239 -254.
7Yasuda M, Goto K, Okubo H, et al. Suppression of static electrification of insulating oil for large power transformer[A].1982 IEEE PES Winter Meeting[C]. Poland, 1982. 197-202.
8Duval M, Crine J P. Dielectric behavior and stabilization of insulating oils in EFIV current transformers[J]. IEEE Trans Elec Insul, 1985, 20: 437-441.
9Krishnamoorthy P R, Vijyakumari S, Sankaralingam S. Effect of antioxidants and metal deactivator on the oxidation of transformer oils[J]. IEEE Transactions on Elec Insul, 1992, 27(2) : 271 -277.
10Lamarra C, Crine J P, St-Onge H. Antioxidant function in liquid and solid dielectric materials[A]. CIGRE Symposium[C].Austria: Vienna, 1987. 5 - 87.
