In response to Sachin's pic showing Shunt removal instructions inside Loco. I hope this will help in understanding working of DC motor Locos such as WAP 1/4 and WAG 5/7. Back EMF is a potential developed across a rotating motor which has reverse polarity to the supply voltage. It has a tendency to reduce the supply voltage which drives the motor. Thanks to Electrical Services Department Engineers for their technical inputs. (anant singh)

Date: 2009-10-16
Owner: Anant K Singh
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Very informative , look at the way the Armature and the Field windings are connected , they are connected in series indicating that its a DC Series Motor implying that when connected across the supply Voltage the Current carried by the Armature and the ...
Posted by Ashwin Rao on 2009 Oct 18 16:05:05 +0100
Nice. Thank you for sharing.
Posted by R Viswa Chandra on 2009 Oct 16 17:14:31 +0100
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