This paper introduces new configuration for electrified railway supply system. A PWM converter with low switching frequency and high power compensates negative sequence and reactive currents of the system. Another PWM converter with low power and high switching frequency may compensate harmonics of the load and first converter. Because first converter compensates the negative sequence current, the load is balanced and the phase rotation is not needed. All the dead lines can be omitted or minimized in this system and train can travel with higher speed in this kind of the lines.
Novel 3/1 phase converter for high speed-electrified railway
2000
6 Seiten, 8 Quellen
Aufsatz (Konferenz)
Englisch
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