Showing posts with label 19. Propulsion Control Circuit. Show all posts
Showing posts with label 19. Propulsion Control Circuit. Show all posts

DIESEL LOCO - Propulsion Control Circuit

Propulsion Control Circuit

To move the locomotive, supply of Traction Alternator is send to traction motor through Power contactor, BKT, Reverser. This circuit is design to pickup above electro pneumatic contactor as and when require. In this circuit as per speed of locomotive two combination of traction motor are changed and during dynamic brakes traction motor convert into generator. Traction motor has following combination:

a) Series Parallel combination

b) Parallel combination

Reverser Contactor Control – To move the locomotive, keep reverser handle in desired direction, put ON GFCO-1&2 and on opening master handle reverser contactor coil will energize as per working control stand