Finite Element Calculation about the Heat of Single-phase500 kV GIS Electronic Combined Transformer
[1]XU Min,Ql Zhao-yang,LIU Wei,et al.Finite Element Calculation about the Heat of Single-phase500 kV GIS Electronic Combined Transformer[J].Journal of Zhengzhou University (Engineering Science),2015,36(03):11-15.[doi:10.3969/j.issn.1671-6833.2015.03.003]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
36
Number of periods:
2015 03
Page number:
11-15
Column:
Public date:
2015-06-30
- Title:
- Finite Element Calculation about the Heat of Single-phase500 kV GIS Electronic Combined Transformer
- Keywords:
- GIS; electronic combined transformer; fluid field; thermal field; loss and heat
- CLC:
- TM451
- Abstract:
- The variation of temperature may influence the measuring accuracy of electronic transformer.500kVGIS electronic combined transformer is usually arranged in the open air,so the temperature will rise because offactors such as resistance loss,sun exposure,etc,even exceed the permitted temperature in practical opera-tion,which will influence its work performance. To analyze its loss and heat accurately and ensure the safetyand reliability of its operation,a fluid-thermal coupled solution model was established by using finite elementmethod,which calculated and analyzed the distribution regularities of the fluid field and thermal field in con-sideration of factors such as sun exposure,shell current circulation,gas flow and gravity. The results showthat thermal field distribution has the geometric regularity of basic symmetry on both sides and upper tempera-ture is higher than the lower temperature. The highest temperature appears on the top of the conductor and thelowest temperature appears directly below the conductor. The conclusions can provide some reference for theheat dissipation design of electronic transformer.
- References:
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