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Reply to "EMD E unit electrical system redundancy question"

PRR 5841 posted:

Gentlemen,

If one of the two diesel/DC generator sets shuts-down for some reason while pulling a train, does the current produced from the remaining operative diesel/DC generator set go to only one or both pairs of traction motors?  

Each engine generator, and its corresponding electric control circuitry, power ONLY the two traction motors in that truck specific truck. Thus, if one engine generator set "goes down", then THAT truck is unpowered.

I’m assuming that each diesel/DC generator set was permanently wired to one truck (2 motors) and isolated from the other.  

Correct.

 

 

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