Pulsed linear induction motors for Maglev propulsion

Davey, K.R.

doi:10.1109/20.908369

Cited by 7 publications

(2 citation statements)

References 4 publications

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“…F N depends on v À1 , v 0.5 , v 0.7 and v 2 , so v S can be numerically solved from equation (9). Note that v S is not fixed but varies when data for different vehicles are used.…”

Section: Reference Speed Of Simultaneous Commutationmentioning

confidence: 99%

“…[5][6][7] For low-speed maglev systems (<200 km/h), a short stator linear induction motor is considered to be sufficient to drive a train, for example, in the Japanese HSST system. 8,9 The improvement in propulsion technology for high-speed maglev trains is continuous. In order to achieve the conditions for commercial operation, the stator winding of the linear synchronous motor is divided into multiple segments that are mounted on the guideway to form stator sections.…”

Section: Introductionmentioning

confidence: 99%

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Resolving operational parameters for a change-step type of maglev propulsion system

Tseng

2013

Proceedings of the Institution of Mechanical Engineers, Part F:

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The propulsion principle of the Transrapid maglev train is based on long stator linear synchronous motors. The stator winding in the guideway is divided into multiple segments that are individually switched on or off, with power being supplied to a given segment only as it is passed by the train. In commercial operation the power from substations is connected to the stator segments in one of two ways: change-step connection or three-step connection. Although each type of power supply has its advantages and application scope, the change-step connection is the central topic of interest in this study due to its salient features. When the train's propulsion system uses this supply mode, the inverter control systems at the power stations must know exactly when the stator current begins to decline and the stator segment that it is supplying is about to change. Therefore, the timings to adjust the stator current are crucial to the operating system of a Transrapid train and should be determined from the dynamic conditions of the train. This paper aims to determine the timings for controlling the stator current. Based on calculated results, it is concluded that changing the power supply between stator sections can be smoothly performed using the proposed propulsion control system.

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“…F N depends on v À1 , v 0.5 , v 0.7 and v 2 , so v S can be numerically solved from equation (9). Note that v S is not fixed but varies when data for different vehicles are used.…”

Section: Reference Speed Of Simultaneous Commutationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Resolving operational parameters for a change-step type of maglev propulsion system

Tseng

2013

Proceedings of the Institution of Mechanical Engineers, Part F:

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Train operation simulation and capacity analysis for a high‐speed maglev station

Deng,

Zhang,

Jing

et al. 2024

IET Intelligent Trans Sys

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Focusing on the transportation organization characteristics of the high‐speed maglev station, this article simulates the train operation process based on the train running calculation and the train operation scheme for multi‐type trains, and analyzes the station capacity based on the simulation for multi‐type trains and typical‐layout stations. This study is carried out from the following three perspectives: (i) calculating train running in the train operation process, (ii) calculating the carrying capacity for single‐type trains, and (iii) simulating the train operation scheme at the station. By analyzing the running process and working conditions of a high‐speed maglev train during various operations, a kinematic model for the train running and a simulation method for the technical operation process based on the operation calculation are established. The simulation results for train running calculation are then used to determine the time required and the capacity for the station handing single‐type trains, which is the basis of analyzing multi‐type trains operations. In the simulation for operations of multi‐type trains, three simulation strategies are designed: track selection strategy, route segment lock/unlock strategy, and operation method choosing strategy. The operational process of a high‐speed maglev station under multi‐train and multi‐technology conditions is simulated based on the above strategies, and the capacity utilization of the station is calculated. The capacity utilization characteristics of typical‐layout stations and the recommended layouts for stations under different scenarios are given for capacity analysis and optimization.

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Design and analysis of a superconducting induction magnetic levitation device for hydraulic turbo-generator

Liu

et al. 2016

2016 IEEE Conference on Electromagnetic Field Computation (CEFC)

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Pulsed linear induction motors for Maglev propulsion

Cited by 7 publications

References 4 publications

Resolving operational parameters for a change-step type of maglev propulsion system

Resolving operational parameters for a change-step type of maglev propulsion system

Train operation simulation and capacity analysis for a high‐speed maglev station

Design and analysis of a superconducting induction magnetic levitation device for hydraulic turbo-generator

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