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2. Influence of micro water on partial discharge between windings in transformers;Hui W.;High Volt. Eng..,2010
3. Degradation of cellulosic insulation in power transformers. Part 3: Effects of oxygen and water on ageing in oil
4. Influence of water and acid on the thermal aging of mineral oil mixed with natural ester oil–paper insulation;Ruijin L.;Trans. China Electro Tech. Soc.,2010
5. Water accumulation in oil–paper insulation transformer and its influence to life time;Yuxian L.;Transformer.,2004