Abstract
The problem of vibration and noise of transformers in urban substations is more and more concerning to society. With a 110kV transformer substation as the research object, the oil tank model of the oil-immersed transformer is designed according to the principle of similitude. Through the modal test of the oil tank model, the vibration characteristics of a 110kV oil-immersed transformer model are obtained, which will help avoid the resonance frequency in the structure design of transformer oil tanks and provide measured data for the vibration and noise control design of transformers. Finally, the finite element model of transformer oil tanks is established, and the vibration characteristics of the oil tank are simulated, and consistent analysis results are obtained.
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