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Development an Structure and Control Algorithm of Propulsion Control for Driving Railway Vehicle in Both AC and DC Power Supply Section

AC 및 DC 전력공급구간 운전을 위한 도시철도용 추진제어시스템의 구조 및 제어 알고리즘 개발

  • Lee, Chang-Hee (Dept. of Electrical Engineering, Hanyang University) ;
  • Lee, Ju (Dept. of Electrical Engineering, Hanyang University)
  • Received : 2018.07.30
  • Accepted : 2018.10.17
  • Published : 2019.04.20

Abstract

This study proposes a AC/DC railway vehicle control algorithm that enables simultaneous driving of AC and DC power supply sections. In the Seoul metropolitan region, trolley voltage for railway vehicle is divided into AC and DC power supplies. Therefore, AC/DC railway vehicle algorithm is essential for driving on the outskirts of the region. This study analyzes resonance and beat phenomena for simultaneously running in AC and DC power supply sections, and proposes a control algorithm for railway vehicles with the application of damping and beatless controls based on this analysis. The performance of the proposed algorithm is verified by simulation and analysis of actual driving results.

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Fig. 1. Structure of propulsion control system for AC/DC railway vehicle.

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Fig. 2. Control block diagram of proposed algorithm.

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FIg. 3. Simulation circuit.

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Fig. 4. Simulation results of damping control in DC power supply section.

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Fig. 5. Simulation results of beatless control in AC power supply section.

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Fig. 6. Converter/Inverter controller for driving in AC/DC power supply section.

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Fig. 7. Driving test section information. (Line 1, Seoul Metro)

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Fig. 8. Line1 driving test record(to Bupyeong Station).

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Fig. 9. Driving test record(to bupyeong station), maximum speed driving test in DC power supply section.

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Fig. 10. Driving test record(to bupyeong station), maximum speed driving test in AC power supply section.

TABLE 1 SPECIFICATIONS OF PROPULSION CONTROL SYSTEM FOR RAILWAY VEHICLE(LINE1, SEOUL METRO)

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Acknowledgement

Supported by : 국토교통과학기술진흥원

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