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2014 | OriginalPaper | Buchkapitel

The Modeling and Excitation Characteristics of the Transformer Under DC Bias

verfasst von : Dongwei Han, Tao Zheng, Xianqi Zhu, Huanhuan Qi

Erschienen in: Unifying Electrical Engineering and Electronics Engineering

Verlag: Springer New York

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Abstract

In order to research the influence of DC bias on the transformer, a transformer modeling method under DC bias is proposed. Based on the JA (Jiles-Atherton) theory, the method establishes the dynamic core magnetization curves of considering hysteresis. Then the transient transformer model is built through deriving the transformer equation from unified magnetic equivalent circuit model. On the different DC bias, the model is used to simulate the core magnetization characteristics, excitation currents, and harmonic changes of the no-load transformer. The results show that the model can be an effective means to research the excitation characteristic when transformer is under DC bias.

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Literatur
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Metadaten
Titel
The Modeling and Excitation Characteristics of the Transformer Under DC Bias
verfasst von
Dongwei Han
Tao Zheng
Xianqi Zhu
Huanhuan Qi
Copyright-Jahr
2014
Verlag
Springer New York
DOI
https://doi.org/10.1007/978-1-4614-4981-2_89

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