The High Speed/High Capacity railway lines uses the 2×25kV-50Hz power supply system that is supplied at high-voltage by dedicated lines that can be placed in close proximity to the railway line. The power system adopted for HS railway lines includes a lot of harmonic sources. Resonance phenomena can cause harmonics amplification with consequent problems as voltages distortion, interference problems and electromagnetic interference with communication lines. This paper presents a detailed model for the railway system (including the primary line) with the aim to evaluate the resonance frequency of the impedance seen by the pantograph.
Effect of primary High Voltage supply lines on the High Speed AC Railways Systems
DOLARA, ALBERTO;GUALDONI, MORIS;LEVA, SONIA
2010-01-01
Abstract
The High Speed/High Capacity railway lines uses the 2×25kV-50Hz power supply system that is supplied at high-voltage by dedicated lines that can be placed in close proximity to the railway line. The power system adopted for HS railway lines includes a lot of harmonic sources. Resonance phenomena can cause harmonics amplification with consequent problems as voltages distortion, interference problems and electromagnetic interference with communication lines. This paper presents a detailed model for the railway system (including the primary line) with the aim to evaluate the resonance frequency of the impedance seen by the pantograph.File in questo prodotto:
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