Title :
Control characteristics of an induction motor speed sensorless control system for the railway vehicle traction
Author :
Kondou, Keiichirou ; Matsuoka, Kouichi ; Yuki, Kazuaki ; Hasebe, Toshio
Author_Institution :
Railway Tech. Res. Inst., Tokyo, Japan
Abstract :
In this paper, we discuss theoretically the characteristics of an induction traction motor speed sensorless control system applied to the DC electrified railway vehicle traction. A state equation is derived from linearized equation models of the speed sensorless control system including the DC input filter circuit, the inverter and the induction motor. By means of bode diagrams, we discuss torque current control characteristics, the characteristics against the rotor frequency disturbance and against the sudden change of the line voltage, comparing the control system with the speed sensor. Through the study, we conclude that the suggested speed control system has high enough performance to be applied to railway vehicle traction
Keywords :
Bode diagrams; angular velocity control; electric current control; electric vehicles; induction motors; machine control; railways; torque control; traction motors; DC electrified railway vehicle traction; DC input filter circuit; bode diagrams; control system analysis; electric railway vehicle; induction motor; inverter; line voltage change; linearized equation models; railway vehicle traction; rotor frequency disturbance; speed sensorless control; state equation; torque current control characteristics; Circuits; Equations; Filters; Induction motors; Inverters; Rail transportation; Railway electrification; Sensorless control; Traction motors; Vehicles;
Conference_Titel :
Power Conversion Conference, 2002. PCC-Osaka 2002. Proceedings of the
Conference_Location :
Osaka
Print_ISBN :
0-7803-7156-9
DOI :
10.1109/PCC.2002.997633
