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Energies 2017, 10(2), 170; doi:10.3390/en10020170

Development of Propulsion Inverter Control System for High-Speed Maglev based on Long Stator Linear Synchronous Motor

Korea Railroad Research Institute, Uiwang-si, Gyeonggi-do 16105, Korea
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Academic Editor: José Gabriel Oliveira Pinto
Received: 19 September 2016 / Revised: 30 December 2016 / Accepted: 20 January 2017 / Published: 3 February 2017
(This article belongs to the Special Issue Power Electronics and Power Quality)
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Abstract

In the case of a long-stator linear drive, unlike rotative drives for which speed or position sensors are a single unit attached to the shaft, these sensors extend along the guideway. The position signals transmitted from a maglev vehicle cannot meet the need of the real-time propulsion control in the on-ground inverter power substations. In this paper the design of the propulsion inverter control system with a position estimator for driving a long-stator synchronous motor in a high-speed maglev train is proposed. The experiments have been carried out at the 150 m long guideway at the O-song test track. To investigate the performance of the position estimator, the propulsion control system with, and without, the position estimator are compared. The result confirms that the proposed strategy can meet the dynamic property needs of the propulsion inverter control system for driving long-stator linear synchronous motors. View Full-Text
Keywords: high speed maglev; long-stator synchronous motor; propulsion inverter control system position estimator high speed maglev; long-stator synchronous motor; propulsion inverter control system position estimator
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Jo, J.-M.; Lee, J.-H.; Han, Y.-J.; Lee, C.-Y.; Lee, K.-S. Development of Propulsion Inverter Control System for High-Speed Maglev based on Long Stator Linear Synchronous Motor. Energies 2017, 10, 170.

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