Presently work on intelligent dissolved gas analysis (DGA) have gained great significance and attention to ensure timely and accurate diagnostics of the electrical and thermal faults occurring in the transformers. Earlier the researchers work on chemical techniques used to health monitoring of transformer. In this paper reviewing the different types of faults on transformer & existing monitoring methods of the transformer are presented. Cosine law states that-a 2 b 2 + c 2-2 b c. Triangle calculator finds the values of remaining sides and angles by using Sine Law. Real-time monitoring of transformers ensures equipment safety and essential intervention in exact time subsequently lessening the danger of non-plan energy power outages. Enter the values of any two angles and any one side of a triangle below which you want to solve for remaining angle and sides. Along with aged conditions of transformers, operating factors such as high temperature, strong electrical fields, electrical discharges, mechanical stresses, insulation damage and contaminants pose imminent risks of malfunctioning and irreversible damage to the transformers. Practically gas generation in transformer oil is induced by electrical and thermal faults resulting from unfavorable operating conditions in transformers. This paper reviews real time fault detection and intelligent health monitoring techniques (IHMT) of transformer.
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