RAILWAY TRANSPORT FACILITY EQUIPPED WITH CONTACTORS, METHOD OF CONTROL OVER AND APPLICATION OF SAID CONTACTORS

摘要

FIELD: transport. ^ SUBSTANCE: proposed transport facility comprises multiphase motor provided with permanent magnet rotor to drive transport facility driving wheels, multiphase inverter to feed multiphase voltage to said motor. Proposed device incorporates at least one controlled contactor equipped with two electrodes arranged inside tight lamp. Product of pressure by contactor interelectrode space is located on the left of Paschen curve. ^ EFFECT: higher reliability. ^ 3 dwg, 3 cl