A New Model for Transformer Saturation Characteristics by Including Hysteresis Loops

Chin E. Lin; Jong Bi Wei; Ching Lien Huang; Chi Jen Huang

doi:10.1109/20.24512

A New Model for Transformer Saturation Characteristics by Including Hysteresis Loops

Chin E. Lin, Jong Bi Wei, Ching Lien Huang, Chi Jen Huang

Department of Electrical Engineering

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

20 Citations (Scopus)

Abstract

The transformer saturation and hysteresis characteristics are important to power systems under transient operations. Conventional methods to determine these characteristics required field test data and several supporting analyses. Due to complicated corelated factors, field tests for such purposes are difficult. Based on a theoretical approach, the transformer saturation and hysteresis characteristics have certain relations with the rms voltage/current relation curve and the current flow through the equivalent core resistor. This paper presents simplified analytical expression in polynomial form to determine the transformer saturation and hysteresis characteristics without field test data. Higher order approximations are simulated for comparison with various capacity transformers. The results are compared with experiments and simulations and show very good agreement. It is possible to determine accurate transformer saturation and hysteresis characteristics with this simplified procedure.

Original language	English
Pages (from-to)	2706-2712
Number of pages	7
Journal	IEEE Transactions on Magnetics
Volume	25
Issue number	3
DOIs	https://doi.org/10.1109/20.24512
Publication status	Published - 1989 May

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/20.24512

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title = "A New Model for Transformer Saturation Characteristics by Including Hysteresis Loops",

abstract = "The transformer saturation and hysteresis characteristics are important to power systems under transient operations. Conventional methods to determine these characteristics required field test data and several supporting analyses. Due to complicated corelated factors, field tests for such purposes are difficult. Based on a theoretical approach, the transformer saturation and hysteresis characteristics have certain relations with the rms voltage/current relation curve and the current flow through the equivalent core resistor. This paper presents simplified analytical expression in polynomial form to determine the transformer saturation and hysteresis characteristics without field test data. Higher order approximations are simulated for comparison with various capacity transformers. The results are compared with experiments and simulations and show very good agreement. It is possible to determine accurate transformer saturation and hysteresis characteristics with this simplified procedure.",

author = "Lin, {Chin E.} and Wei, {Jong Bi} and Huang, {Ching Lien} and Huang, {Chi Jen}",

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N2 - The transformer saturation and hysteresis characteristics are important to power systems under transient operations. Conventional methods to determine these characteristics required field test data and several supporting analyses. Due to complicated corelated factors, field tests for such purposes are difficult. Based on a theoretical approach, the transformer saturation and hysteresis characteristics have certain relations with the rms voltage/current relation curve and the current flow through the equivalent core resistor. This paper presents simplified analytical expression in polynomial form to determine the transformer saturation and hysteresis characteristics without field test data. Higher order approximations are simulated for comparison with various capacity transformers. The results are compared with experiments and simulations and show very good agreement. It is possible to determine accurate transformer saturation and hysteresis characteristics with this simplified procedure.

AB - The transformer saturation and hysteresis characteristics are important to power systems under transient operations. Conventional methods to determine these characteristics required field test data and several supporting analyses. Due to complicated corelated factors, field tests for such purposes are difficult. Based on a theoretical approach, the transformer saturation and hysteresis characteristics have certain relations with the rms voltage/current relation curve and the current flow through the equivalent core resistor. This paper presents simplified analytical expression in polynomial form to determine the transformer saturation and hysteresis characteristics without field test data. Higher order approximations are simulated for comparison with various capacity transformers. The results are compared with experiments and simulations and show very good agreement. It is possible to determine accurate transformer saturation and hysteresis characteristics with this simplified procedure.

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