ECN Moderator Bjarney
Has contributed several Schematics, which cover 12 Lead Stator Generators.
Look for them in the Technical Reference section under the topic heading of: 12 Lead Stator Generator Schematics
Click on the above link (underlined and colored text) to open the Schematics page.
There is also a Discussion Thread for these drawings in the Electrical Theory and Applications section, which may be accessed from a link within the Schematics page.
Alternately, you may feel free to use this topic area for discussions of the drawings, concepts, or other Generator stuff, by clicking the "Post Reply" button at the top/bottom of the page.
Thanks to Bjarney for the contributions and time!