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Employing a Novel Approach for High Frequency Transient Modeling in Multi-Winding Traction Transformer
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Mohammad Amin Sobouti   , Davood Azizian * , Mehdi Bigdeli , Gevork B. Gharehpetian |
| Electrical Engineering Department, Abhar Branch, Islamic Azad University, Abhar, Iran , d.azizian@yahoo.com |
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Abstract: (9081 Views) |
The modeling of high frequency electromagnetic transients and the simulation of the voltage and the current distribution in the multi-winding traction transformer's windings due to these transient waves are very important. In the present article, in addition of presenting finite element models, the coupled field-circuit approach is proposed for the modeling of high frequency electromagnetic transients in a multi-winding traction transformer. The proposed method uses two-dimensional finite element models coupled with an external circuit to model the electromagnetic transient behavior of the multi-winding traction transformer. Afterwards, the results of the presented method have been compared with the results obtained from a complete three-dimensional finite element model as well as the detail model's results and the results are validated. Finally, the validated high-frequency model has been used to study the impulse response of the transformer. As shown, the proposed approach is a simple and fast method, and also has good accuracy in modeling of the impulse voltage distribution in the multi-winding traction transformer's windings.
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| Keywords: Multi-winding traction transformer, Transient, Electromagnetic modeling, Ladder network, Coupled field-circuit, Finite element. |
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Full-Text [PDF 2225 kb]
(2900 Downloads)
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Type of Study: Research |
Subject:
Electrical Power Systems (Operation, Control, Analysis, ...)
Received: 2019/02/18 | Accepted: 2020/01/10 | Published: 2021/04/19
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