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Control of traction supply power quality using locomotive PWM converter controls

Access Status
Open access
Authors
Kuppa, V.
Wolfs, Peter
Senini, S.
Date
2003
Type
Conference Paper

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Citation
Kuppa, Vijay and Wolfs, Peter and Senini, Steven. 2003. Control of traction supply power quality using locomotive PWM converter controls, in Duke, R. (ed), Australasian Universities Power Engineering Conference AUPEC 2003, pp. Paper 50-50. Christchurch, New Zealand: University of Canterbury NZ.
Source Title
Australasian Universities Power Engineering Conference
Source Conference
Australasian Universities Power Engineering Conference AUPEC 2003
ISBN
Faculty
Department of Electrical and Computer Engineering
School of Engineering
Faculty of Science and Engineering
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Abstract

Railway traction systems are highly susceptible to severe harmonic distortion, poor voltage regulation and line resonances. Electric locomotives, which are concentrated high power loads, move continuously along the supply line, rendering the topography of the supply system, a time-variable. Under those conditions, the resonant impedances vary as the traction vehicle moves along the track. Parallel resonances with feeder line inductance and capacitance between feeder line and earth, cause harmonic magnification. This paper will examine the use of small retrofit converters to improve the performance of multiphase PWM rectifiers as found in locomotive applications.