Electromagnetic Characteristic Calculation of Several Parallel Coils for High Current Transformer Based on Field-Circuit Coupling Method

Electromagnetic Characteristic Calculation of Several Parallel Coils for High Current Transformer Based on Field-Circuit Coupling Method

The three-dimensional (3-D) calculation model of FEM coupling with the equivalent electric-circuit (EEC) is established for a test transformer of several parallel coils. Numerical analyses of 3-D magnetic fields, branch currents, additional loss, etc., in coils are carried out by using field-circuit...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2019-03, Vol.29 (2), p.1-5
Hauptverfasser: Wang, Haoming, Yang, Qingxin, Li, Yongjian, Wang, Jianmin, Yuan, Dongdong, Hu, Mingfang
Format: Artikel
Sprache:eng
Schlagworte:
Circuits
Coils
Copper
Coupling
Current distribution
Current transformers
Electromagnetic properties
FCCM
Finite element method
High current
high current transformer
impedance
losses
Magnetic fields
Mathematical models
parallel coil current
Three dimensional models
Three-dimensional displays
Transformers
Windings
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Beschreibung
Zusammenfassung:The three-dimensional (3-D) calculation model of FEM coupling with the equivalent electric-circuit (EEC) is established for a test transformer of several parallel coils. Numerical analyses of 3-D magnetic fields, branch currents, additional loss, etc., in coils are carried out by using field-circuit coupling method (FCCM). The validity of the calculated results is verified by comparing with measured value of test transformer. Some distribution rules of electromagnetic characteristics are given for design of high current transformer.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2019.2893706