Traction load meter system

Details Traction load meter system Traction load meter system

G - Physics

01

R

346/44, 324/59

G01R 19/18 (2006.01) G01R 19/252 (2006.01) G08B 21/00 (2006.01)

Patent

CA 1264182

TRACTION LOAD METER SYSTEM Abstract of the Disclosure A traction load meter system for displaying informa- tion concerning the amount of current energizing electric motors which drive a locomotive. These motors have power and braking modes and have a continuous current rating. The system includes a current-to-frequency converter for providing an output signal having a frequency correspond- ing to the amount of current drawn by the motors. Elec- tronic logic circuitry is included for receiving this output signal and being responsive thereto to provide outputs indicating whether the locomotive is in the power or braking mode, the amount of current being drawn, whether this amount is above the continuous rated current for the motors, and the period of time the above-rated condition has existed. Additionally, the meter system includes a display panel connected to the logic circuitry and adapted to be mounted in a cab of the locomotive for displaying to the engineer the aforementioned outputs of the logic circuitry.

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