Method and system for monitoring a pantograph of a railway vehicle and railway vehicle
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United States of America Patent
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Aug 14, 2018
Grant Date -
May 11, 2017
app pub date -
Nov 8, 2016
filing date -
Nov 9, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A system for monitoring a pantograph of a railway vehicle, the pantograph being adapted to be connected to a catenary and electrically connected to a traction unit, the catenary being adapted to provide an alternating current to the railway vehicle, the system further including: a voltage step detection device for detecting a voltage step of a pantograph voltage at the pantograph, a zero crossing detection device for detecting a zero crossing of a line current, the line current being a portion of a pantograph current provided to the traction unit, the pantograph current being the current flowing through the pantograph; and a bouncing detection portion adapted to determine at least one bouncing time of the pantograph based on one or more detected voltage steps of the voltage step detection device and/or one or more detected zero crossings of the zero crossing detection device.
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