Duality derived transformer models for low-frequency electromagnetic transients—Part I: Topological models

S Jazebi, SE Zirka, M Lambert… - … on Power Delivery, 2016 - ieeexplore.ieee.org
The objective of this two-part paper is to provide clarity to physical concepts used in the field
of transformer modeling, to dispel common misconceptions regarding numerical instabilities …

Transformer leakage flux models for electromagnetic transients: Critical review and validation of a new model

M Lambert, M Martínez-Duró… - … on Power Delivery, 2014 - ieeexplore.ieee.org
This paper presents experimental validation of the coupled leakage inductance transformer
model. It is shown that the coupled approach yields the same results as the indefinite …

Evaluation of topologies and optimal design of a hybrid distribution transformer

J Burkard, J Biela - 2015 17th European Conference on Power …, 2015 - ieeexplore.ieee.org
Due to the increasing integration of distributed generators, the grid underlies conceptual
challenges. To ensure an efficient and reliable operation, more controllable assets are …

Equivalent circuit for the leakage inductance of multiwinding transformers: Unification of terminal and duality models

C Álvarez-Mariño, F De León… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
In this paper, a new equivalent circuit for the leakage inductance of multiwinding (or
multisection) transformers is presented. The methods proposed in this paper unify terminal …

Enhanced transformer model for low-and mid-frequency transients—Part II: Validation and simulation results

A Rezaei-Zare - IEEE Transactions on Power Delivery, 2014 - ieeexplore.ieee.org
The transformer model developed in Part I is validated based on the zero-sequence test
data, a ferroresonance event, and the geomagnetically induced current (GIC) …

Dual reversible transformer model for the calculation of low-frequency transients

S Jazebi, F De Leon, A Farazmand… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
This paper presents a physically consistent dual model applicable to single-phase two-
winding transformers for the calculation of low-frequency transients. First, the topology of a …

Transformers

F De Leon, P Gómez, JA Martinez-Velasco… - Power system …, 2017 - taylorfrancis.com
Transformers are the most important components of transmission and distribution systems.
For transformers the geometrical data is only available to the manufacturers and it is …

Leakage inductances calculation for power transformers interturn fault studies

AJM Cardoso - IEEE Transactions on Power Delivery, 2014 - ieeexplore.ieee.org
This paper presents a general approach to compute the leakage inductances of power
transformers with turn-to-turn winding faults. The leakage inductances are obtained by using …

[PDF][PDF] 应用于功率变换器的多绕组高频变压器模型

王迎迎, 程红 - 电工技术学报, 2021 - dgjsxb.ces-transaction.com
摘要实施功率变换器的电路仿真时需要较精确的多绕组高频变压器等效电路模型.
传统的多绕组变压器星形模型不仅存在负漏感导致的振荡问题, 而且其在仿真暂态问题时存在 …

Three-phase transformer model including magnetic hysteresis and eddy currents effects

AD Theocharis, J Milias-Argitis… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
In this paper, a three-phase transformer model is developed to be suitable for slow transient
and power-quality studies. The proposed model takes into account the eddy currents, the …