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Sustainability
Volume 14
Issue 20
10.3390/su142012975
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Article

Study of Transformer Harmonic Loss Characteristic in Distribution Network Based on Field-Circuit Coupling Method

by
Xiping Ma
1,2,*,
Rong Jia
1,3,4,
Chen Liang
2,
Haodong Du
1,3,
Xiaoyang Dong
2 and
Man Ding
1
1
School of Electrical Engineering, Xi’an University of Technology, Xi’an 710048, China
2
Electric Power Research Institute, State Grid Gansu Electric Power Company, Lanzhou 730050, China
3
Key Laboratory of Smart Energy in Xi’an, Xi’an University of Technology, Xi’an 710048, China
4
Shaanxi Electric Power Comprehensive Energy Engineering Technology Center, Xi’an 710048, China
*
Author to whom correspondence should be addressed.
Sustainability 2022, 14(20), 12975; https://doi.org/10.3390/su142012975
Submission received: 15 August 2022 / Revised: 10 September 2022 / Accepted: 19 September 2022 / Published: 11 October 2022
(This article belongs to the Special Issue Research on Smart Energy Systems)
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Abstract

One of the primary causes of additional losses in dry-type distribution transformers is harmonic disturbances in the distribution network. It is critical to investigate the change law of trans-former losses under harmonic conditions. The effect of harmonics on transformer core losses and winding losses is first investigated in this paper. The field-circuit coupling method is then used to create a finite element model of a three-phase phase dry type distribution transformer. Finally, the relationship between core loss and harmonic voltage, winding loss and harmonic current is calculated and analyzed for each harmonic frequency. The AC resistance factor model is found to be more accurate than the conventional model in calculating transformer harmonic winding losses. This paper’s findings have significant theoretical implications for the analysis of harmonic losses and loss reduction in distribution networks.
Keywords: dry distribution transformer; harmonic loss; field-circuit coupling; finite element model dry distribution transformer; harmonic loss; field-circuit coupling; finite element model

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MDPI and ACS Style

Ma, X.; Jia, R.; Liang, C.; Du, H.; Dong, X.; Ding, M. Study of Transformer Harmonic Loss Characteristic in Distribution Network Based on Field-Circuit Coupling Method. Sustainability 2022, 14, 12975. https://doi.org/10.3390/su142012975

AMA Style

Ma X, Jia R, Liang C, Du H, Dong X, Ding M. Study of Transformer Harmonic Loss Characteristic in Distribution Network Based on Field-Circuit Coupling Method. Sustainability. 2022; 14(20):12975. https://doi.org/10.3390/su142012975

Chicago/Turabian Style

Ma, Xiping, Rong Jia, Chen Liang, Haodong Du, Xiaoyang Dong, and Man Ding. 2022. "Study of Transformer Harmonic Loss Characteristic in Distribution Network Based on Field-Circuit Coupling Method" Sustainability 14, no. 20: 12975. https://doi.org/10.3390/su142012975

APA Style

Ma, X., Jia, R., Liang, C., Du, H., Dong, X., & Ding, M. (2022). Study of Transformer Harmonic Loss Characteristic in Distribution Network Based on Field-Circuit Coupling Method. Sustainability, 14(20), 12975. https://doi.org/10.3390/su142012975

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