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    • 5. 发明申请
    • RAIL VEHICLE AND METHOD OF OPERATING A RAIL VEHICLE THAT COMPRISES A PLURALITY OF CURRENT COLLECTORS
    • WO2022175336A1
    • 2022-08-25
    • PCT/EP2022/053833
    • 2022-02-16
    • BOMBARDIER TRANSPORTATION GMBH
    • KANANI, Ashok
    • B60L5/24B60L1/00
    • The invention relates to a method of operating a rail vehicle (1), the rail vehicle (1) comprising: - a plurality of current collectors (3), each current collector (3) electrically connecting the rail vehicle (1) with an energy supply network (6), - a plurality of converters, including a first converter (11a) and a second converter (11b), each converter (11) being assigned to an assigned current collector (3) of the plurality of current collectors (3) and converting a direct current on an input side of the converter (11) to an alternating current on an output side of the converter (11) by repeatedly switching on and off converter switches (25) based on phase information about a phase position of an alternating voltage and/or phase current on the output side of the converter (11), - an alternating current line (15), electrically connecting the output sides of the converters (11), wherein, when the rail vehicle (1) passes a section point of the energy supply network (6), so that an interruption of energy supply from the energy supply network (6) to the input side of the first converter (11a) through the assigned current collector (3) of the first converter (11a) occurs, a) the interruption is detected, b) converting a direct current on the input side of the first converter (11a) to an alternating current on the output side of the first converter (11a) is stopped, c) processing of the phase information about the phase position of the alternating voltage and/or alternating current on the output side of the first converter (11a) is continued during a time interval of the interruption, d) a return of the energy supply from the energy supply network (6) to the input side of the first converter (11a) is detected and e) processing results of the continued processing of the phase information during the time interval of the interruption are used for a restart of converting a direct current on the input side of the first converter (11a) to an alternating current on the output side of the first converter (11a).