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Transformer preventive maintenance- an activity that rewards The importance of power in our routine life and the hazards of power failure would well explain the importance of transformer preventive maintenance. Transformer maintenance is considered as profit, since it not only cuts the repair costs, but also adds to the efficiency and the produce. Monitoring different aspects of the transformer in appropriate intervals comprise transformer preventive maintenance, whose benefits are abundant. Different aspects of transformer preventive maintenance is conducted daily, monthly, quarterly, half yearly and annual basis. Oil based transformers Transformer oil purification and transformer oil filtration are included in transformer preventive maintenance steps and enhance operations. When the transformer oil acts as an effectual coolant, it ensures the apparatus to with stand stress that occurs due to heavy loading and short circuit. Oil being the popular insulating fluid is scrutinized for p
