Power transformer transient modeling considering the effects of on-load tap changer

Afifi, Ahmad; Fang, Wanliang; Liu, Juhua; Hao, Xudong

doi:10.1109/icepe-st.2017.8188947

Cited by 2 publications

(1 citation statement)

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“…This also applies to the transformer's response, the voltage distribution in the windings and the electrical strength of the insulation in the event of both atmospheric [49] and switching overvoltages [50,51]. The influence of the tap changer on transients may also be modelled [52]. Another important part of transformer modelling is the analysis of magnetic parameters-for example, to calculate core losses [53] or the magnetic flux density distribution and magnetic field energy in the transformer's active part [54].…”

Section: Transformer Modellingmentioning

confidence: 99%

Recent Developments in the Modelling of Transformer Windings

Gawrylczyk

Banaszak

2021

Energies

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The paper provides a review of the modelling techniques used to simulate the frequency response of transformer windings. The aim of the research and development of modelling methods was to analyze the influence of deformations and faults in the windings on the changes in the frequency response. All described methods are given with examples of the modelling results performed by the authors of this paper and from literature sources. The research is prefaced with a thorough literature review. There are described models based on lumped parameters with input data coming from direct calculations based on the winding geometry and obtained from FEM modelling software and models considering the wave phenomena in the windings. The analysis was also performed for practical problems in winding modelling: the influence of windings other than the modelled one and the influence of parallel wires in a winding.

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