An Optimal Design Method for Heat Dissipation Structure of Ceramic Insulated Dry-type Transformer
A dry-type transformer, ceramic insulation technology, applied in the direction of transformer/inductor cooling, transformer/inductor parts, transformer/inductor coil/winding/connection, etc. Transformer life and other issues, to achieve the effect of reducing labor intensity and simple operation
Active Publication Date: 2022-05-20
XI AN JIAOTONG UNIV
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Problems solved by technology
If the operating temperature is too high, the insulating material will tend to accelerate aging, and even cause damage to the insulating structure in severe cases, affecting the life of the transformer
And most dry-type transformers cannot be overloaded for a long time
Method used
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[0020] The present invention is described in further detail below in conjunction with accompanying drawing:
[0021] refer to figure 1 , the ceramic insulation dry-type transformer heat dissipation structure optimization design method of the present invention comprises the following steps:
[0022] 1) Determine the design object, which includes the iron core and winding of the ceramic insulated dry-type transformer;
[0023] 2) Design ceramic insulated dry-type transformers, and construct various designs of ceramic insulated dry-type transformers;
[0024] The design object of the ceramic insulated dry-type transformer is the structure of the iron core, the material of the silicon steel sheet in the iron core, the disc technology of the iron core and one or more of the windings. At the same time, the air gap distance between the winding and the iron core, the winding and the The combination of the air gap distance between the windings and the number of layers of the windings...
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The invention discloses a method for optimizing the heat dissipation structure design of a ceramic insulated dry-type transformer, which comprises the following steps: 1) determining a design object; 2) designing a ceramic insulated dry-type transformer, and constructing various designs of ceramic insulated dry-type transformers; 3) Use Visual Basic self-programming as the design software for the heat dissipation structure of ceramic insulated dry-type transformers; 4) Input the structural parameters of different schemes of ceramic insulated dry-type transformers on the Visual Basic self-programming software interface, and establish finite element models respectively for magnetic-thermal- Coupling calculations of multi-field flow, get the temperature distribution and heat dissipation of the ceramic insulated dry-type transformer corresponding to each scheme, select the optimal temperature distribution and heat dissipation of the ceramic insulated dry-type transformer as the final design scheme, and complete the ceramic insulated dry-type transformer. Optimum design of heat dissipation structure of transformer, this method can realize optimal design of heat dissipation structure of ceramic insulated dry-type transformer, so as to achieve optimal heat dissipation capacity.
Description
technical field [0001] The invention relates to a heat dissipation structure optimization design method, in particular to a ceramic insulation dry-type transformer heat dissipation structure optimization design method. Background technique [0002] According to different cooling methods, transformers can be divided into oil-immersed transformers and dry-type transformers. The main components of both transformers are the same, namely the core and windings. The only difference is that the cooling medium is different. The oil-immersed transformer uses insulating oil as the cooling medium, while the dry-type transformer uses gas as the cooling medium, most of which are air. With the continuous development of the industrialization process of modern society, the voltage level of power system and transformer has been continuously improved. Due to the limitation of insulation, the voltage cannot be too high, which has caused the development of dry-type transformers to lag far behi...
Claims
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IPC IPC(8): G06F30/23H01F27/08H01F27/28G06F119/08G06F111/06
CPCH01F27/08H01F27/2876Y02E60/00
Inventor 高泽华王曙鸿张那明王爽
Owner XI AN JIAOTONG UNIV