Analysis correlation modeling of the oil flow of transformer and temperature

Transformer oil is the main insulation and heat dissipation medium of oil immersed transformer, its flow velocity, pressure and density distribution has a significant effect on transformer insulation and heat dissipation performance. Based on this, this paper has deduced the relationship between the oil flow velocity and the instantaneous temperature field of the transformer, and the mathematical model. The simulation results reveal the relationship between the fault of the transformer and the flow velocity of the oil, and provide the theoretical basis and simulation platform for the study of the digital gas protection based on the fault characteristics. In addition, analyze the relationship between the temperature of inlet oil flow and the load factor and the temperature rise in the transformer, providing a good base for studying the setting value of the transformer gas relay.