FIELD: electricity.
SUBSTANCE: invention relates to power supply for electric networks contacting with current collectors of vehicles. Method of AC traction power supply system amplification consists in the following. Voltage is supplied to the contact line using the AC voltage source. Voltage is supplied to additional line by means of additional line voltage source, at that energy from additional line to contact line is supplied through voltage converters of additional line. Additional line is arranged preferably on contact line supports. Voltage to the additional line is supplied in the form of constant voltage relative to the track circuit using a constant voltage source, and voltage converters of the additional line are made in the form of direct current to alternating current converters.
EFFECT: increase of current loads and increase of distance between traction substations.
10 cl, 4 dwg
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