Quote:
Originally Posted by 80stech
The windings generate A/C which gets converted to DC with the diodes so phase is meaningless.
Electrons flow from negative to positive and take material with them as they leave which is how cathodic protection (pipe lines, boat motors) works  |
I was talking about the excitation side of things but was too much thinking it as a motor. On exciter side it doesn't matter which of the poles are north and south. This slip ring wearing is just a simple matter of DC arcing.