Modelling and Simulation of Double-Train Macroscopic Representation Emulator in Urban Rail Transit

This paper proposes a double-train macroscopic representation emulator (D-TMRE) to simulate the external current-voltage characteristics and combinations of typical conditions for real urban rail transit trains. Both the state space average model and small signal model of D-TMRE are established to a...

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Bibliographic Details
Main Authors: Gu, Jingda, Yang, Xiaofeng, Zheng, Trillion Q., Wang, Miao
Format: Conference Proceeding
Language:English
Subjects:
Aerospace electronics
Analytical models
condition combination
current-voltage characteristic
Current-voltage characteristics
double-train macroscopic representation emulator (D-TMRE)
energy self-feedback
Process control
Rails
Switches
Traction power supplies
Urban rail transit
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Description
Summary:This paper proposes a double-train macroscopic representation emulator (D-TMRE) to simulate the external current-voltage characteristics and combinations of typical conditions for real urban rail transit trains. Both the state space average model and small signal model of D-TMRE are established to analyze the control strategies, including the current and voltage regulations, condition transition and energy self-feedback process. An energy storage module is employed to assist in energy feedback, recycling and reuse. Moreover, owing to D-TMRE's condition transition, the combinations of typical conditions between two trains are accomplished. The feasibility of D-TMRE is verified through a simulation model in the DC 1500V traction power system and a scale-down experimental platform.
ISSN:2329-3748
DOI:10.1109/ECCE.2018.8557663