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Full-Scale Physical Simulator of All SiC Traction Motor Drive With Onboard Supercapacitor ESS for Light-Rail Public Transportation
Date
2020-08-01
Author
Yildirim, Dogan
Aksit, Mehmet Hakan
Yolacan, Cem
Pul, Tevfik
Ermis, Cezmi
Aghdam, Behrang H.
ÇADIRCI, IŞIK
Ermiş, Muammer
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This article deals with the design and laboratory implementation of a full-scale physical simulator of an all-silicon carbide (SiC) traction motor drive for light-rail transit systems (LRTS) with onboard supercapacitor energy storage system (ESS). It consists of a pulsewidth modulation (PWM) rectifier representing the 750 V dc catenary line, a three-phase two-level PWM traction inverter to drive a three-phase squirrel-cage traction motor, a flywheel coupled to the motor shaft to represent the dynamic behavior of the transportation vehicle, a loading generator connected to the grid via a dc-link converter with active front-end, and a supercapacitor ESS containing a bidirectional dc-dc converter supplied from the common dc link. The PWM rectifier, a traction inverter, and a bidirectional dc-dc converter are all SiC power MOSFET-based converters for high efficiency and high power density. A physical simulator is a valuable tool in the design and testing of all SiC converters. It is equipped with software programs for a catenary model, rail track model, and vehicle model, and permits the performance verification of various control, modulation, and energy-saving strategies. The physical simulator system developed in this article also allows the performance verification of a vehicle formation on a prespecified real track and evaluation of benefits of the onboard supercapacitor ESS in real time.
Subject Keywords
Traction motors
,
Silicon carbide
,
Mathematical model
,
Inverters
,
Inverters
,
Supercapacitors
,
Light rail systems
,
Pulse width modulation
,
Light-rail transit system (LRTS)
,
Physical simulator
,
Silicon carbide (SiC) power MOSFET
,
Supercapacitor energy storage system (ESS)
,
Traction inverter
URI
https://hdl.handle.net/11511/32115
Journal
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
DOI
https://doi.org/10.1109/tie.2019.2934086
Collections
Graduate School of Natural and Applied Sciences, Article
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D. Yildirim et al., “Full-Scale Physical Simulator of All SiC Traction Motor Drive With Onboard Supercapacitor ESS for Light-Rail Public Transportation,”
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
, pp. 6290–6301, 2020, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/32115.