Magnetic Field Analysis Using Magnetic Charge Equivalent to Electric Current in Arbitrary Symmetric Windings

Park, Jong Oh; Lee, Jun Seong; Park, Il Han

doi:10.1109/cefc55061.2022.9940643

Cited by 1 publication

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References 4 publications

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“…Therefore, for an arbitrary coil, the permanent magnetization can be calculated similarly to the 2D case. The equation for the permanent magnetization is equivalent to (10), where the coil width w(x, y, z) represents the width of the volume current density segment measured from the outer coil boundary for a given coplanar height z: Here, wcoil and winner represent the widths inside the coil and inner regions, respectively, and d represents the distance measured from the reference axis, as shown in Fig. 8.…”

Section: Equivalent Permanent Magnetization Of 3d Arbitrary Cross-sec...mentioning

confidence: 99%

Magnetic Field Analysis of Electric Current in Coplanar Coils Using Equivalent Permanent Magnetization and Magnetic Scalar Potential

Park,

Lee,

Park

2024

IEEE Access

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Use of magnetic scalar potential instead of magnetic vector potential can dramatically reduce computational cost for 3D magnetic field analysis, but for most methods, the use of scalar potential was limited to current-free conditions. However, for coplanar coils characterized by homogeneous current density, the current density can be transformed into an equivalent permanent magnetization to satisfy the current-free condition. By utilizing this equivalent permanent magnetization as a source, a variational formulation for the magnetic scalar potential can be derived, and finite element analysis becomes feasible for complex systems that analytical method cannot be used. However, the equation for the equivalent permanent magnetization was previously presented only for rectangular coils, and its detailed derivation process, variational scalar potential formulation, and application method for finite element analysis were not introduced, limiting the practicality of the method. To generalize the method to practical applications, this study introduces a generalized equation for equivalent permanent magnetization applicable to arbitrary cross-sectional coplanar coils, its variational formulation using the magnetic scalar potential, and a method for its application in finite element analysis. The results of the magnetic field analysis using the scalar potential formulation were compared with those of the traditional vector potential formulation to demonstrate the feasibility and usefulness of the formulation.

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Section: Equivalent Permanent Magnetization Of 3d Arbitrary Cross-sec...mentioning

confidence: 99%

Magnetic Field Analysis of Electric Current in Coplanar Coils Using Equivalent Permanent Magnetization and Magnetic Scalar Potential

Park,

Lee,

Park

2024

IEEE Access

Self Cite

View full text Add to dashboard Cite

show abstract

Magnetic Field Analysis Using Magnetic Charge Equivalent to Electric Current in Arbitrary Symmetric Windings

Cited by 1 publication

References 4 publications

Magnetic Field Analysis of Electric Current in Coplanar Coils Using Equivalent Permanent Magnetization and Magnetic Scalar Potential

Magnetic Field Analysis of Electric Current in Coplanar Coils Using Equivalent Permanent Magnetization and Magnetic Scalar Potential

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