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Design of the sensorless speed control system for the PMSM based next generation high speed railway system

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4 Author(s)
Kang-Hwan Jin ; Electrical & Electronics Engineering, Chung-Ang University, 221 Heukseok-Dong, Dongjak-Gu, Seoul, 156-756, South Korea ; Soon-Hwan Kwon ; Dong-Gyu Park ; Yoon-Ho Kim

In this paper, a sensorless speed control system is designed for the next generation high speed railway system currently under development in Korea with commercial speed 350 km/h, and maximum trial speed 400 km/h. The maximum torque per ampere control approach is applied in the constant torque region and the field-weakening control is applied in the constant power region. For the sensorless operation, in the low speed region, a high frequency voltage signal injection method, and in the high-speed region, a model reference adaptive system method is used respectively. To verify the designed system, a simulator for the vector controller and sensorless controller is implemented using Matlab/simulink.

Published in:

Power Electronics and ECCE Asia (ICPE & ECCE), 2011 IEEE 8th International Conference on

Date of Conference:

May 30 2011-June 3 2011