Self-cooling transformer oil flow heat dissipation optimization method and device and storage medium

Abstract

The invention relates to a self-cooling transformer oil flow heat dissipation optimization method and device and a storage medium. The self-cooling transformer oil flow heat dissipation optimization method comprises the steps of obtaining structure parameters of a self-cooling transformer and operation condition parameters of the self-cooling transformer; constructing a three-dimensional geometric model of the self-cooled transformer by adopting the structure parameters, and determining a three-dimensional temperature field-flow field bidirectional coupling model according to the three-dimensional geometric model and the operation condition parameters; obtaining internal oil flow distribution of the self-cooling transformer based on the three-dimensional temperature field-flow field bidirectional coupling model, and determining an oil flow dead zone according to the internal oil flow distribution; and through the three-dimensional temperature field-flow field bidirectional coupling model, respectively obtaining and based on each internal oil flow distribution when different oil inlets and outlets of the self-cooled transformer are opened, each internal oil flow distribution under different oil pump rotating speeds and the volume of an oil flow dead zone, and determining and outputting an optimal oil inlet and outlet. According to the self-cooling transformer, the heat dissipation efficiency of oil flow in the self-cooling transformer is effectively improved, and safe operation of the self-cooling transformer is guaranteed.

Description

technical field [0001] The present application relates to the technical field of power equipment optimization, in particular to a self-cooling transformer oil flow heat dissipation optimization method, device and storage medium. Background technique [0002] With the increasing demand for energy in modern society, transformers are the key power transmission equipment in power systems, and it is particularly important to improve the safe, economical and efficient operation of transformers. The self-cooling transformer plays the role of power transmission and economic distribution of power in the power system. The internal oil flow is used to dissipate heat from the iron core and windings to ensure the safe and stable operation of the self-cooling transformer, thus improving the heat dissipation of the oil flow inside the self-cooling transformer efficiency and ensure the safe operation of self-cooling transformers. At present, the design of the oil inlet and outlet of most s...

AI Technical Summary

Problems solved by technology

At present, the design of the oil inlet and outlet of most self-cooling transformers makes the oil flow dead zone inside, resulting in poor heat dissipation effect of oil flow inside the self-cooling transformer

The capacity of self-cooling transformers in power systems continues to increase, and their operating temperatures continue to rise, making them more prone to overheating faults due to poor heat dissipation

[0003] During the implementation process, the inventors found that there are at least the following problems in the traditional technology: the heat dissipation efficiency of the oil flow inside the existing self-cooling transformer is low

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