Comparison of Three Novel Types of Two-Phase Switched Reluctance Motors Using Finite Element Method

Torkaman, Hossein; Afjei, E.

doi:10.2528/pier12010407

Cited by 23 publications

(15 citation statements)

References 19 publications

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“…Due to their geometrical shape and material properties, this requires numerical techniques, such as the finite element method (FEM) [10][11][12][13], which is applied in this work by using a free commercial FEM software called GetDp [14].…”

Section: Electromagnetic Field Equationsmentioning

confidence: 99%

Magnetic Field Shielding of Underground Cable Duct Banks

Romero¹,

Del-Pino-López²

2013

PIER

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Abstract-In this paper an in-depth parametric analysis of shielding effectiveness obtained when using ferromagnetic or conductive screens to mitigate the field generated by duct banks is presented. Due to the need of a case-by-case approach, all the simulations, performed by a finite element software (GetDp), are applied to a case study composed by 9 (3 × 3) ducts, with six of them including high voltage single-core cables and the three left empty for eventual future expansion. Two shielding geometries are tested: horizontal and U-reverse, changing in each one the main parameters: width, thickness, clearance to conductors, etc. Moreover, the conductors are grouped in two balanced in-phase three-phase circuits arranged in three configurations: vertical, horizontal and triangular. The mutual phase ordering of both circuits is the one that minimizes the field, so no further field reduction can be obtained by simple methods. The power losses and cost of different shielding solutions are also presented, including the effect of adding a third circuit if required.

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Section: Electromagnetic Field Equationsmentioning

confidence: 99%

Magnetic Field Shielding of Underground Cable Duct Banks

Romero¹,

Del-Pino-López²

2013

PIER

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“…Mathematical modeling of magnetic field is important for electromagnetic machines, as it could be used to predict output performance, such as flux linkage, field energy and force generation [13][14][15]. Generally, there are two typical ways to formulate magnetic field of electromagnetic machines, i.e., FEM [16] and magnetic equivalent circuits [17].…”

Section: Governing Equations Of Flux Fieldmentioning

confidence: 99%

Magnetic Field of Tubular Linear Machines With Dual Halbach Array

Yan¹,

Zhang²,

Wang³

et al. 2013

PIER

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Abstract-Permanent magnet (PM) array affects flux field distribution of electromagnetic linear machines significantly. A novel dual Halbach array is proposed in this paper to enhance flux density in air gap, and thus to improve output performance of linear machines. Magnetic field in three-dimensional (3D) space of a tubular linear machine with dual Halbach array is formulated based on Laplace's and Poisson's equations. Numerical result from finite element method is employed to simulate and observe the flux distribution in the machine. A research prototype and a testbed are developed, and experiments are conducted to validate the analytical models. The study is useful for analysis and design optimization of electromagnetic linear machines.

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“…This method approaches the problem by reducing errors [18]. FEM is used in different researches for various purposes such as modeling and parameter identification [19][20][21][22][23][24][25]. An acceptable solution from Maxwells equations for most practical cases is neither possible nor accurate.…”

Section: Modelling Of a Different Geometry Of Coils For Finite Elemenmentioning

confidence: 99%

Electromagnetic Analysis of Different Geometry of Transmitting Coils for Wireless Power Transmission Applications

Haerinia¹,

Mosallanejad²,

Afjei³

2016

PIER M

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Abstract-Inductive power transfer is recently a common method for transferring power. This technology is developing as the modern technologies need to get more efficient and updated. The power transfer efficiency has potential to get better. There are different ways to achieve a desirable efficiency. In this paper, a suitable geometry of a coil for transferring power as a transmitting coil is examined. In this work, three types of geometries are designed. Frequency analysis at frequency range (10 kHz-50 kHz) is done to investigate behaviour of various geometries. Magnetic field, electric field, magnetic flux density, and current density for various geometries are presented and compared. Magnetic flux density is measured via an experimental setup and is compared to simulated one to verify the validity of simulation results.

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Comparison of Three Novel Types of Two-Phase Switched Reluctance Motors Using Finite Element Method

Cited by 23 publications

References 19 publications

Magnetic Field Shielding of Underground Cable Duct Banks

Magnetic Field Shielding of Underground Cable Duct Banks

Magnetic Field of Tubular Linear Machines With Dual Halbach Array

Electromagnetic Analysis of Different Geometry of Transmitting Coils for Wireless Power Transmission Applications

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