A Novel Generalized Analytic Expression of Power Transformer Equivalent RLC Model

Chaouche, Moustafa Sahnoune; Houassine, Hamza; Moulahoum, Samir; Bensaid, Samir; Trichet, Didier

doi:10.1109/isef45929.2019.9097027

Cited by 2 publications

(2 citation statements)

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“…Due to the limitations related to leakage flux, this method enables modelling at low and medium frequencies (in accordance with the frequency division criteria introduced in the FRA method) [20]. The authors of [21] propose expression of the transformer's transfer function electrical equivalent model based on parallel RLC cells.…”

Section: Transformer Modellingmentioning

confidence: 99%

“…Some authors include additional parameters in the simulations, e.g., diamagnetic properties of conductors [57], and the results of such modelling based on lumped parameters ladder are given in Figure 5a. Such a lumped parameters network may be modified, as in [21], where an analytical method for the transfer function calculation was based on a cascade model of parallel RLC cells. The results of RLC modelling and calculated transfer function compared to the measurement given in Figure 5b.…”

Section: Lumped Parameter Models Solved Using Circuit Simulatorsmentioning

confidence: 99%

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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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Section: Transformer Modellingmentioning

confidence: 99%

Section: Lumped Parameter Models Solved Using Circuit Simulatorsmentioning

confidence: 99%