Electromagnetic Investigation of a High-Temperature Superconducting Linear Synchronous Motor for High-Speed Railway

Gong, Tianyong; Ma, Guangtong; Qian, Hangyu; Liu, Kun; Liu, Kang; Wang, Chao; Zhang, Weihua

doi:10.1109/tasc.2018.2790940

Cited by 33 publications

(9 citation statements)

References 11 publications

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“…This is because the required power of the PPSSs can be directly supplied from a public power system regardless of its operating velocity. With the concept of long-armature LSMs, high-temperature superconducting (HTS) magnets installed on pods are adopted for the proposed sub-sonic LSM as the DC fields to maximize the air-gap between pods and armatures and to achieve the optimal design of LSMs and PPSS for the Hyperloop [20,21].…”

Section: Overviewsmentioning

confidence: 99%

“…In addition, among the various types of LSMs with HTS magnets, the three-phase, double-layer, and concentrated winding method are adopted for the highly efficient design of armatures [22] and their mass production in the future, while air-cores are chosen to avoid magnetic saturation and unwanted forces on pods due to the high magnetic fluxes generated by HTS magnets [20,21], as shown in Figure 2b. installed on pods are adopted for the proposed sub-sonic LSM as the DC fields to maximize the airgap between pods and armatures and to achieve the optimal design of LSMs and PPSS for the Hyperloop [20,21].…”

Section: Overviewsmentioning

confidence: 99%

“…Right-side armatures Three-phase armature windings (Air-core electromagnets) (a) In addition, among the various types of LSMs with HTS magnets, the three-phase, double-layer, and concentrated winding method are adopted for the highly efficient design of armatures [22] and their mass production in the future, while air-cores are chosen to avoid magnetic saturation and unwanted forces on pods due to the high magnetic fluxes generated by HTS magnets [20,21], as shown in Figure 2b.…”

Section: Left-side Armaturesmentioning

confidence: 99%

“…With the combination of the LIMs and EDS, on the other hand, technical issues-i.e., small air-gaps, low efficiencies, low-positioning precisions of LIMs [19], and the high magnetic resistance forces of the EDS-need to be solved with a technical breakthrough to increase the operating velocity of the Hyperloop to a sub-sonic velocity. At the same time, due to the technical issues of the LIMs and EDS for high-speed applications, there have been several research teams [20][21][22][23][24][25][26] who have adopted LSMs with high-temperature superconducting (HTS) magnets for high-speed transportation; however, most of them could not suggest general design guidelines covering magnetic propulsion systems. Moreover, they only conducted design and feasibility studies based on finite element method (FEM) simulations without any static and dynamic experiments due to the complex system configuration and cost issues.…”

Section: Introductionmentioning

confidence: 99%

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Sub-Sonic Linear Synchronous Motors Using Superconducting Magnets for the Hyperloop

Choi¹,

Lee²,

Jo³

et al. 2019

Energies

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Sub-sonic linear synchronous motors (LSMs) with high-temperature superconducting (HTS) magnets, which aim to accelerate to a velocity of 1200 km/h in the near-vacuum tubes of 0.001 atm for the Hyperloop, are newly introduced in this paper. By the virtue of the combination of LSMs and electrodynamic suspensions (EDSs) with HTS magnets, a large air-gap of 24 cm, low magnetic resistance forces of below 2 kN, and the efficient as well as practical design of propulsion power supply systems of around 10 MVA could be guaranteed at a sub-sonic velocity. The characteristics of the proposed LSMs with HTS magnets, in addition, are widely analyzed with theories and simulation results. Optimal design methods for LSMs and inverters, which account for more than half of the total construction cost, are introduced with design guidelines and examples for the commercialization version of the Hyperloop. At the end of the paper, in order to verify the proposed design models of the sub-sonic LSMs, two different test-beds—i.e., 6 m long static and 20 m long dynamic propulsion test-beds—are fabricated, and it is found that the experimental results are well matched with proposed design models as well as simulation results; therefore, the design methods constitute guidelines for the design of sub-sonic LSMs for the Hyperloop.

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Section: Overviewsmentioning

confidence: 99%

Section: Overviewsmentioning

confidence: 99%

Section: Left-side Armaturesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Sub-Sonic Linear Synchronous Motors Using Superconducting Magnets for the Hyperloop

Choi¹,

Lee²,

Jo³

et al. 2019

Energies

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show abstract

“…IGH temperature superconducting (HTS) technology has been attracted much attention worldwide in recent years due to its promising potential applications in power systems and transportation. For the application in transportation, it can be used to design HTS linear motors to provide linear motion drive for magnetic levitation trains [1][2][3][4][5]. An HTS linear motor with the integration of a magnetic suspension subsystem is able to provide merits of HTS magnetic suspension and linear motion drive.…”

Section: Introductionmentioning

confidence: 99%

Robust Design Optimization of a High-Temperature Superconducting Linear Synchronous Motor Based on Taguchi Method

Lei

Liu

et al. 2019

IEEE Trans. Appl. Supercond.

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This paper investigates the efficient robust design and optimization of a high-temperature superconducting (HTS) linear synchronous motor by using the Taguchi parameter design approach. The manufacturing tolerances of the HTS magnets, primary iron core and the air gap are considered in the robust design to ensure that the optimal design is less sensitive to these uncertainties. To overcome the disadvantages of the conventional Taguchi parameter design approach, a sequential Taguchi robust optimization method is presented for improvement of the motor performance and manufacturing quality. The proposed method is efficient because it holds the advantages of both Taguchi method and sequential optimization strategy. It can significantly increase the average thrust and decrease the thrust ripple of the investigated HTS linear synchronous motor.  Index Terms-High-temperature superconducting linear synchronous motor, manufacturing tolerances, optimization method, robust design, Taguchi method.

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Design Considerations with Different Shielding Barriers and HTS Resonance Coils for Wireless Power Charging Unit in High-Speed Magnetic Levitation Train

Chung,

Lee

2023

J. Electr. Eng. Technol.

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Electromagnetic Investigation of a High-Temperature Superconducting Linear Synchronous Motor for High-Speed Railway

Cited by 33 publications

References 11 publications

Sub-Sonic Linear Synchronous Motors Using Superconducting Magnets for the Hyperloop

Sub-Sonic Linear Synchronous Motors Using Superconducting Magnets for the Hyperloop

Robust Design Optimization of a High-Temperature Superconducting Linear Synchronous Motor Based on Taguchi Method

Design Considerations with Different Shielding Barriers and HTS Resonance Coils for Wireless Power Charging Unit in High-Speed Magnetic Levitation Train

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