NDLI: Single-phase 50-kW, 16.7-Hz railway-grid representation featuring variable grid parameters

Content Provider	IEEE Xplore Digital Library
Author	Heising, C. Gorski, M. Staudt, V. Steimel, A.
Copyright Year	2008
Description	Author affiliation: Ruhr-Univ. of Bochum, Bochum (Heising, C.; Gorski, M.; Staudt, V.; Steimel, A.)
Abstract	Railway grid interaction is a major concern when developing the power train of a railway traction vehicle and its control. Two main areas have to be taken into account: Line current harmonics are limited - with often extremely low limit values, compared to nominal current - respecting the properties and safety issues of railway track circuits. Grid stability is influenced by the varying grid impedance seen by the moving vehicle, in connection with varying resonances, influenced by other vehicles and the actual grid configuration. The development of an optimized control scheme for the power train of a railway traction vehicle operating at the 15 kV,16.7Hz grid widely used in central Europe requires advanced simulation tools as well as suitable laboratory experiments for verification. This paper describes the simulation concept, the control concept and the realization of an advanced railway-grid representation in the lab, featuring real-time adjustable impedance and voltage harmonics. The power-electronic basis for the grid representation in the lab, feed-back and feed-forward control, including compensation of nonlinear effects of the inverter, are described. Simulation and measurement results for stationary and dynamic behavior are presented, verifying excellent operation.
Starting Page	920
Ending Page	924
File Size	447563
Page Count	5
File Format	PDF
ISBN	9781424416677
ISSN	02759306
DOI	10.1109/PESC.2008.4592047
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-15
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power harmonic filters Harmonic analysis Inverters Voltage control Vehicles Converters Switches
Content Type	Text
Resource Type	Article

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