84 citations · 507 across the 53 of their papers we have counts for
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T-E formulation-based modeling of thin HTS shell magnetization
Leonid Prigozhin, Vladimir Sokolovsky
Numerical methods for modeling thin-film magnetization are primarily focused on computing the current density distribution. The highly nonlinear current-voltage characteristic of t…
Spectral solution of axisymmetric magnetization problems for thin superconducting shells
Leonid Prigozhin, Vladimir Sokolovsky
Existing numerical methods for modeling magnetization in thin type-II superconducting films have mostly been developed for flat films. This work introduces an efficient spectral me…
Electromagnetic analysis of coated conductors with ferromagnetic substrates: Novel insights
Vladimir Sokolovsky, Leonid Prigozhin
Ferromagnetic substrates can significantly influence the electromagnetic response of a coated conductor to an external magnetic field and transport current. This study analyzes thi…
Magnetization of Flat Superconducting Films on Ferromagnetic Substrates
Leonid Prigozhin, Vladimir Sokolovsky
Ferromagnetic substrate influences the electromagnetic response of a type-II superconducting film to the applied magnetic field. We present a two-dimensional integrodifferential mo…
Thin shell model of a coated conductor with a ferromagnetic substrate
Leonid Prigozhin, Vladimir Sokolovsky
Coated conductors with magnetic substrates are thin multilayer structures; their high aspect ratio and nonlinear material properties present significant difficulties for numerical…
Hermite-Chebyshev pseudospectral method for inhomogeneous superconducting strip problems and magnetic flux pump modeling
Vladimir Sokolovsky, Leonid Prigozhin
Numerical simulation of superconducting devices is a powerful tool for understanding the principles of their work and improving their design. We present a new pseudospectral method…
Two-dimensional model of a high-Tc superconducting dynamo
Leonid Prigozhin, Vladimir Sokolovsky
High temperature superconducting dynamos are capable of low loss contactless pumping large dc currents into superconducting magnet coils. We present a model of such devices and use…
Solution of 3D magnetization problems for superconducting film stacks
Leonid Prigozhin, Vladimir Sokolovsky
A stack of coated conductors is a perspective configuration for various applications of high temperature superconductors. We present an efficient fast Fourier transform-based numer…
3D modeling of magnetic atom traps on type-II superconductor chips
Vladimir Sokolovsky, Leonid Prigozhin, John W. Barrett
Magnetic traps for cold atoms have become a powerful tool of cold atom physics and condense matter research. The traps on superconducting chips allow one to increase the trapped at…
Transport current and magnetization problems for thin type-II superconducting films
John W. Barrett, Leonid Prigozhin, Vladimir Sokolovsky
Thin film magnetization problems in type-II superconductivity are usually formulated in terms of the magnetization function alone, which allows one to compute the sheet current den…
AC losses in high pressure synthesized MgB2 bulk rings measured by transformer method
V. Meerovich, V. Sokolovsky, T. Prikhna +2
The recently developed manufacturing technologies use high pressure and various doping additions to prepare bulk MgB2-based materials with a high critical current density measured…
Computing AC losses in stacks of high-temperature superconducting tapes
Leonid Prigozhin, Vladimir Sokolovsky
Roebel cables and superconducting tape coils are often modeled as stacks of parallel superconducting tapes carrying the same transport current. We solved, in the infinitely thin ap…
Losses in coated conductors under non-sinusoidal currents and magnetic fields
G. Furman, M. Spektor, V. Meerovich +1
Study of AC losses in superconducting wires and tapes is usually restricted by consideration of applied sinusoidal currents and/or magnetic fields. However, currents in electric po…
Effects of high pressure on the physical properties of MgB2
T. Prikhna, W. Gawalek, Ya. Savchuk +27
The synthesis of MgB2-based materials under high pressure gave the possibility to suppress the evaporation of magnesium and to obtain near theoretically dense nanograined structure…
An improved design of an inductive fault current limiter based on a superconducting cylinder
Vladimir Sokolovsky, Victor Meerovich, Lidia I. Chubraeva +1
The paper deals with basic designs of a fault current limiter of the transformer type which differ each other by the mutual location of a primary winding and a superconducting shor…
Higher borides and oxygen-enriched Mg-B-O inclusions as possible pinning centers in nanostructural magnesium diboride and the influence of additives on their formation
Tatiana Prikhna, Wolfgang Gawalek, Yaroslav Savchuk +21
The study of high pressure (2 GPa) synthesized MgB2-based materials allows us to conclude that higher borides (with near MgB12 stoichiometry) and oxygen-enriched Mg-B-O inclusions…
Nanostructural Superconducting Materials for Fault Current Limiters and Cryogenic Electrical Machines
T. A. Prikhna, W. Gawalek, Ya. M. Savchuk +27
Materials of the Y-Ba-Cu-O (melt-textured YBa2Cu3O7-d-based materials or MT-YBCO) and Mg-B-O (MgB2-based materials) systems with high superconducting performance, which can be atta…
Effect of higher borides and inhomogeneity of oxygen distribution on critical current density of undoped and doped magnesium diboride
T. A. Prikhna, W. Gawalek, V. M. Tkach +22
The effect of doping with Ti, Ta, SiC in complex with synthesis temperature on the amount and distribution of structural inhomogeneities in MgB2 matrix of high-pressuresynthesized-…
Losses in Superconductors under Non-Sinusoidal Currents and Magnetic Fields
Vladimir Sokolovsky, Victor Meerovich, Marat Spektor +2
Study of AC losses in superconducting wires and tapes is usually restricted by consideration of applied sinusoidal currents and/or magnetic fields. However, currents in electric po…
Normal zone propagation along superconducting films deposited on wide substrates
V. Sokolovsky, V. Meerovich
The propagation of a normal zone in a long superconducting film on a dielectric or conducting substrate is analyzed analytically. The obtained expressions for the propagation veloc…
Thermal regimes of HTS cylinders operating in devices for fault current limitation
Victor Meerovich, Vladimir Sokolovsky
We reveal obstacles related to the application of HTS cylinders in current limiting devices based on the superconducting - normal state transition. It is shown that, at the critica…
Transient stability of a power system with superconducting fault current limiters
V. Sokolovsky, V. Meerovich, I. Vajda
The influence of a superconducting fault current limiter (FCL) on the transient stability of the synchronic operation of electric machines is analyzed for different locations of th…
Calculation principles for a superconducting inductive FCL and a current-limiting transformer
Victor Meerovich, Vladimir Sokolovsky, Istvan Vajda
We present general principles of the parameters calculation and application of two power devices: an inductive fault current limiter and a current-limiting transformer. Both the de…
Comparison of a Self-Limiting Transformer and a Transformer Type FCL with HTS Elements
Vladimir Sokolovsky, Victor Meerovich, Istvan Vajda
A superconducting fault current limiter of the transformer type (inductive FCL) based on magnetic coupling between a superconducting element and a protected circuit has been invest…