Modeling of the traction current harmonics distribution in rails

Havryliuk, V. I.

doi:10.15802/ecsrt2017/136812

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Useful Voltage and Rail Potential1

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2021

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“…The rail internal resistance and inductance at 50/60 Hz are often "absorbed" within the loop impedance value assigned to the traction circuit, made of the catenary (or third rail) and the return circuit, when using single conductor models and approaches. Some simulators, however, give a complete representation of the traction system, where it is possible to distinguish between internal and geometrical inductance and assign independent dependencies on system parameters, soil resistivity and frequency [7,57].…”

Section: Useful Voltage and Rail Potentialmentioning

confidence: 99%

Impact of rail impedance intrinsic variability on railway system operation, EMC and safety

Mariscotti

2021

IJECE

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Running rails in electrified transportation systems are the interface element for several phenomena related to system performance, electromagnetic compatibility and safety: useful voltage at rolling stock, short circuit current, induced voltage, stray current, and track circuit operation. This work presents the physical and mathematical groundings of rail electrical parameters (dc and ac resistance, ac internal and external inductance) and experimental results available in the literature, discussing variability and reliability for each interface. The results consist thus of the identification of the relevant rails longitudinal electrical parameters, the presentation of a set of reliable experimental values, and the discussion of the best approach to manage their variability and uncertainty.

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Section: Useful Voltage and Rail Potentialmentioning

confidence: 99%

Impact of rail impedance intrinsic variability on railway system operation, EMC and safety

Mariscotti

2021

IJECE

View full text Add to dashboard Cite

show abstract

Modeling of the traction current harmonics distribution in rails

Cited by 1 publication

References 6 publications

Impact of rail impedance intrinsic variability on railway system operation, EMC and safety

Impact of rail impedance intrinsic variability on railway system operation, EMC and safety

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