Dual power rail car traction system
A traction system and rail car technology, applied in the field of dual-power rail car traction systems, can solve the problems of inconvenient operation, complicated switching, low utilization rate, etc., and achieve the effects of convenient power selection, low noise and easy operation
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[0013] Dual power rail car traction system, including driver controller AC, constant power excitation controller AE, power selection switch SA, diesel generator set GS, rectifier UR, power conversion switch QP2, contactor group KM, DC traction motor set M, traction Battery pack GB, fuse FU, DC contactor KM3, smoothing reactor L, chopper UP, direction changeover switch QP1;
[0014] The output terminal of the diesel generator set GS is connected to the input terminal of the rectifier UR, and the rectifier UR, the normally closed contact of the power changeover switch QP2, the contactor group KM, the DC traction motor set M, and the normally closed contact of the direction changeover switch QP1 are connected in sequence. connected to form a first closed series loop;
[0015] Traction battery pack GB, fuse FU, DC contactor KM3, smoothing reactor L, normally open contact of power transfer switch QP2, contactor group KM, DC traction motor unit M, normally open contact of direction ...
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