Review of Studies on the Hot Spot Temperature of Oil-Immersed Transformers

Oil-immersed transformers are the core equipment of power systems for energy transfer. The thermal characteristic of a transformer immediately affects its operational reliability and service life. Therefore, analyzing the hot spot temperature of transformers is highly important. Currently, researche...

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Vydáno v:Energies (Basel) Ročník 18; číslo 1; s. 74
Hlavní autoři: Lin, Lin, Qiang, Chengdan, Zhang, Hui, Chen, Qingguo, An, Zhen, Xu, Weijie
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 01.01.2025
Témata:
Accuracy
Aging
Analysis
China
Cooling
cooling method
Design and construction
Electric power
Electric power distribution
Electric power systems
Electric transformers
Electricity distribution
Energy consumption
Finite element analysis
Heat
heat transfer forms
hot spot temperature
loss calculation
Magnetic fields
Methods
Power supply
Research methodology
Thermal properties
transformer
China
ISSN:1996-1073, 1996-1073
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Shrnutí:Oil-immersed transformers are the core equipment of power systems for energy transfer. The thermal characteristic of a transformer immediately affects its operational reliability and service life. Therefore, analyzing the hot spot temperature of transformers is highly important. Currently, researchers worldwide have achieved substantial research results in this field. This paper reviews the research status of the transformer hot spot temperature. First, the calculation method of transformer loss, the forms of heat transfer and its calculation method, the characteristics of the cooling method, and its application occasions are summarized. Second, the methods used to research the transformer hot spot temperature are presented in detail. From the perspective of transformer heat production and heat dissipation, research results on the factors influencing transformer hot spot temperature are summarized. Last, the research direction of the transformer hot spot temperature is indicated.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:1996-1073
1996-1073
DOI:10.3390/en18010074