Thermal Network Model of High-Power Dry-Type Transformer Coupled with Electromagnetic Loss

Yifan Chen; Qingxin Yang; Changgeng Zhang; Yongjian Li; Xinghan Li

doi:10.1109/TMAG.2021.3104090

Thermal Network Model of High-Power Dry-Type Transformer Coupled with Electromagnetic Loss

Yifan Chen
, Qingxin Yang
, Changgeng Zhang^*
, Yongjian Li
, Xinghan Li

^*Corresponding author for this work

Hebei University of Technology

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

Based on thermoelectric analogy method, a thermal network model coupled with electromagnetic loss is presented. According to the actual structure of dry-type transformer windings, an accurate thermal network is established. Considering the distribution characteristics of heat source along the cooling ducts inside the dry-type transformer, the thermal parameters such as heat flux and convective heat transfer coefficients are calculated by finite element method (FEM) analysis and computational fluid dynamics (CFD). Based on the temperature rise experiment, the hottest spot located at the top of the outmost high-voltage (HV) winding is 151.8 °C, which verified the correctness of thermal network model.

Original language	English
Article number	8402105
Journal	IEEE Transactions on Magnetics
Volume	58
Issue number	11
DOIs	https://doi.org/10.1109/TMAG.2021.3104090
State	Published - 1 Nov 2022
Externally published	Yes

Keywords

Computational fluid dynamics (CFD)
FEM
convective heat transfer coefficient
dry-type transformer
thermal network method

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10.1109/TMAG.2021.3104090

Cite this

@article{3723162b9497460e85f84fa0d1401756,

title = "Thermal Network Model of High-Power Dry-Type Transformer Coupled with Electromagnetic Loss",

abstract = "Based on thermoelectric analogy method, a thermal network model coupled with electromagnetic loss is presented. According to the actual structure of dry-type transformer windings, an accurate thermal network is established. Considering the distribution characteristics of heat source along the cooling ducts inside the dry-type transformer, the thermal parameters such as heat flux and convective heat transfer coefficients are calculated by finite element method (FEM) analysis and computational fluid dynamics (CFD). Based on the temperature rise experiment, the hottest spot located at the top of the outmost high-voltage (HV) winding is 151.8 °C, which verified the correctness of thermal network model.",

keywords = "Computational fluid dynamics (CFD), FEM, convective heat transfer coefficient, dry-type transformer, thermal network method",

author = "Yifan Chen and Qingxin Yang and Changgeng Zhang and Yongjian Li and Xinghan Li",

note = "Publisher Copyright: {\textcopyright} 1965-2012 IEEE.",

year = "2022",

month = nov,

day = "1",

doi = "10.1109/TMAG.2021.3104090",

language = "英语",

volume = "58",

journal = "IEEE Transactions on Magnetics",

issn = "0018-9464",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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TY - JOUR

T1 - Thermal Network Model of High-Power Dry-Type Transformer Coupled with Electromagnetic Loss

AU - Chen, Yifan

AU - Yang, Qingxin

AU - Zhang, Changgeng

AU - Li, Yongjian

AU - Li, Xinghan

PY - 2022/11/1

Y1 - 2022/11/1

N2 - Based on thermoelectric analogy method, a thermal network model coupled with electromagnetic loss is presented. According to the actual structure of dry-type transformer windings, an accurate thermal network is established. Considering the distribution characteristics of heat source along the cooling ducts inside the dry-type transformer, the thermal parameters such as heat flux and convective heat transfer coefficients are calculated by finite element method (FEM) analysis and computational fluid dynamics (CFD). Based on the temperature rise experiment, the hottest spot located at the top of the outmost high-voltage (HV) winding is 151.8 °C, which verified the correctness of thermal network model.

AB - Based on thermoelectric analogy method, a thermal network model coupled with electromagnetic loss is presented. According to the actual structure of dry-type transformer windings, an accurate thermal network is established. Considering the distribution characteristics of heat source along the cooling ducts inside the dry-type transformer, the thermal parameters such as heat flux and convective heat transfer coefficients are calculated by finite element method (FEM) analysis and computational fluid dynamics (CFD). Based on the temperature rise experiment, the hottest spot located at the top of the outmost high-voltage (HV) winding is 151.8 °C, which verified the correctness of thermal network model.

KW - Computational fluid dynamics (CFD)

KW - FEM

KW - convective heat transfer coefficient

KW - dry-type transformer

KW - thermal network method

UR - https://www.scopus.com/pages/publications/85141418777

U2 - 10.1109/TMAG.2021.3104090

DO - 10.1109/TMAG.2021.3104090

M3 - 文章

AN - SCOPUS:85141418777

SN - 0018-9464

VL - 58

JO - IEEE Transactions on Magnetics

JF - IEEE Transactions on Magnetics

IS - 11

M1 - 8402105

ER -

Thermal Network Model of High-Power Dry-Type Transformer Coupled with Electromagnetic Loss

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Keywords

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