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A Study on the Design of Controller for Speed Control of the Induction Motor in the Train Propulsion System-2  

Lee, Jung-Ho (인천광역시청, 서울산업대학교 철도전문대학원 철도전기신호공학과)
Kim, Min-Seok (서울산업대학교 철도전문대학원 철도전기신호공학과)
Lee, Jong-Woo (서울산업대학교 철도전문대학원 철도전기신호공학과)
Publication Information
Journal of the Korean Society for Railway / v.13, no.2, 2010 , pp. 166-172 More about this Journal
Abstract
Currently, vector control is used for speed control of trains because induction motor has high performance is installed in Electric railroad systems. Also, control of the induction motor is possible through various methods by developing inverters and control theory. Presently, rolling stocks which use the induction motor are possible to brake trains by using AC motor. Therefore model of motor block and induction motor is needed to adapt various methods. There is Variable Voltage Variable Frequency (VVVF) as the control method of the induction motor. The torque and speed is controlled in the VVVF. The propulsion system model in the electric railroad has many sub-systems. So, the analysis of performance of the speed control is very complex. In this paper, simulation models are suggested by using Matlab/Simulink in the speed control characteristic. On the basis of the simulation models, the response to disturbance input is analyzed about the load. Also, the current, speed and flux control model are proposed to analyze the speed control characteristic in the train propulsion system.
Keywords
Induction motor; Propulsion system; Current controller; Speed controller; Flux controller;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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