DC-excited slip-ring induction generator supported by an H-bridge inverter emulating a single-phase, 16.7-Hz railway grid

In order to optimise grid interaction, advanced control schemes for the power train of a railway traction vehicle operating at the 15-kV, 16.7-Hz-grid have to take grid interaction into account. To achieve a satisfying performance, advanced simulation tools as well as suitable laboratory experiments...

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Bibliographic Details
Main Authors: Oettmeier, M., Heising, C., Jie Fang, Staudt, V., Steimel, A.
Format: Conference Proceeding
Language:English
Subjects:
Impedance
Induction generators
Inverters
Laboratories
Mesh generation
Power system harmonics
Rail transportation
Substations
Vehicle dynamics
Voltage
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Summary:In order to optimise grid interaction, advanced control schemes for the power train of a railway traction vehicle operating at the 15-kV, 16.7-Hz-grid have to take grid interaction into account. To achieve a satisfying performance, advanced simulation tools as well as suitable laboratory experiments for verification are needed. This paper is focussed on a 16.7-Hz single-phase laboratory grid emulation consisting of a slip-ring induction generator providing fundamental power and a synchronised dead-beat-controlled four-quadrant inverter (4qi) emulating line-current harmonics and grid impedance. Both, the verification of the used induction generator by measurements and simulation results outlining the dynamic behavior of the single induction generator and in a second step the behavior of the IG synchronised with the 4qi at load-steps are presented.
ISSN:1553-572X
DOI:10.1109/IECON.2009.5414947