Saturable reactor hysteresis model based on Jiles–Atherton formulation for ferroresonance studies

Sima, Wenxia; Zou, Mi; Yang, Ming; Peng, Daixiao; Liu, Yonglai

doi:10.1016/j.ijepes.2018.04.003

Cited by 23 publications

(5 citation statements)

References 36 publications

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“…The original JA model uses a modified Langevin function for this anhysteretic curve. This paper uses the function proposed in [52] for a better fit of the hysteresis loop because it depends on more parameters than the modified Langevin function:…”

Section: Appendix A1 Static Jiles-atherton Modelmentioning

confidence: 99%

Smart Switching in Single-Phase Grid-Connected Photovoltaic Power Systems for Inrush Current Elimination

Martínez-Figueroa,

Bogarra,

Córcoles

2023

Energies

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Grid-connected photovoltaic (PV) power systems are one of the most promising technologies to address growing energy demand and ecological challenges. This paper proposes smart switching to mitigate inrush currents during the connection of single-phase transformers used in PV systems. An effective inrush current mitigation contributes to the reliability of PV systems. The inrush current severity is influenced by the pseudorandom residual flux at the transformer core and the energization point-on-wave. The most common approach to avoid inrush currents is controlled connection, which requires prior knowledge of the residual flux. However, the residual flux can differ in each case, and its measurement or estimation can be impractical. The proposed smart switching is based on a comprehensive analysis of the residual flux and the de-energization trajectories, and only requires two pieces of data (ϕRM and ϕ0, flux values of the static and dynamic loops when the respective currents are null), calculated from two simple no-load tests. It has a clear advantage over common approaches: no need to estimate or measure the residual flux before each connection, avoiding the need for expensive equipment or complex setups. Smart switching can be easily implemented in practical settings, as it considers different circuit breakers with distinctive aperture features, making it cost-effective for PV systems.

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Section: Appendix A1 Static Jiles-atherton Modelmentioning

confidence: 99%

Smart Switching in Single-Phase Grid-Connected Photovoltaic Power Systems for Inrush Current Elimination

Martínez-Figueroa,

Bogarra,

Córcoles

2023

Energies

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“…The hysteresis models can provide a more economic and efficient way of describing the core loss 12 . Among numerous hysteresis models, the Preisach and Jiles–Atherton (J–A) models are widely accepted 13 .…”

Section: Introductionmentioning

confidence: 99%

A comparative study of J–A and Preisach improved models for core loss calculation under DC bias

Li,

Luo

2024

Sci Rep

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Power transformer is widely used in the power system with the rapid development of the power converters connected to the grid. When a transformer operates under DC bias conditions, its iron core loss increases significantly, causing local overheating and threatening the proper operation of the transformer. However, there are persistent difficulties in accurately assessing the core loss when the induction waveform is influenced by a DC bias. This paper first proposes improvements to the J–A and Preisach models to evaluate the core loss of the iron core under DC bias. Additionally, we incorporate the hysteresis models into the finite element method (FEM) by modifying the fundamental constitutive equations in the FEM model in order to perform a precise core loss/distribution calculation. To verify the accuracy of prediction, a transformer prototype with a laminated core is developed. The improved J–A-FEM and Preisach-FEM models were directly compared in terms of calculation accuracy, numerical implementation, and computational burden.

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“…Compared to mathematical models without a physical basis, models with a physical background such as the Preisach and Jiles-Atherton models are more applicable in the engineering field because they can more accurately describe magnetization process under any magnetic excitation [14][15][16][17] in both permanent and transient conditions [18,19]. Both Preisach and Jiles-Atherton models use the magnetic field H as an independent variable [20], which allows to simulate the hysteresis and saturation characteristics of ferromagnetic materials [21].…”

Section: Introductionmentioning

confidence: 99%

Transformer Modelling Considering Power Losses Using an Inverse Jiles-Atherton Approach

Badri,

Riba,

Garcia

et al. 2023

Preprint

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Saturable reactor hysteresis model based on Jiles–Atherton formulation for ferroresonance studies

Cited by 23 publications

References 36 publications

Smart Switching in Single-Phase Grid-Connected Photovoltaic Power Systems for Inrush Current Elimination

Smart Switching in Single-Phase Grid-Connected Photovoltaic Power Systems for Inrush Current Elimination

A comparative study of J–A and Preisach improved models for core loss calculation under DC bias

Transformer Modelling Considering Power Losses Using an Inverse Jiles-Atherton Approach

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