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

Jeong-Min Jo, Jin-Ho Lee, Young-Jae Han, Chang-Young Lee and Kwan-Sup Lee
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Jeong-Min Jo: Korea Railroad Research Institute, Uiwang-si, Gyeonggi-do 16105, Korea
Jin-Ho Lee: Korea Railroad Research Institute, Uiwang-si, Gyeonggi-do 16105, Korea
Young-Jae Han: Korea Railroad Research Institute, Uiwang-si, Gyeonggi-do 16105, Korea
Chang-Young Lee: Korea Railroad Research Institute, Uiwang-si, Gyeonggi-do 16105, Korea
Kwan-Sup Lee: Korea Railroad Research Institute, Uiwang-si, Gyeonggi-do 16105, Korea

Energies, 2017, vol. 10, issue 2, 1-9

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.

Keywords: high speed maglev; long-stator synchronous motor; propulsion inverter control system position estimator (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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