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2023 | OriginalPaper | Chapter

4. Transformer Core Modeling

Authors : Prof. Behrooz Vahidi, Dr. Ramezan Ali Naghizadeh

Published in: Principles and Modeling of the Power Transformers

Publisher: Springer Nature Singapore

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Abstract

The behavior of ferromagnetic cores in transformers is characterized by nonlinear and frequency-dependent properties such as saturation, hysteresis, and eddy currents. These effects introduce complexities in the modeling of transformers, particularly in the low and mid-frequency range. Saturation and hysteresis lead to waveform distortion and power losses in the iron core, respectively. While saturation is the most significant effect in transformer modeling for many studies, hysteresis and eddy current effects play a crucial role in certain transient analyses. Therefore chapter four focuses on the modeling approaches for iron cores in power transformers.

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previous chapter Different Types of Transformers and Connections, Protections and Remaining Life

next chapter Low- and Mid-Frequency Modeling of Transformers

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Title: Transformer Core Modeling
Authors: Prof. Behrooz Vahidi
Dr. Ramezan Ali Naghizadeh
Publisher: Springer Nature Singapore
Book: Principles and Modeling of the Power Transformers
Print ISBN: 978-981-9957-95-8

Electronic ISBN: 978-981-9957-96-5

Copyright Year: 2023
DOI: https://doi.org/10.1007/978-981-99-5796-5_4