THE ALTERNATING CURRENT GENERATOR 241 



In Fig. 148 are shown some formed coils, completely 

 insulated and ready to put on the armature core. The 



Connections 1, 2, 3, forms center of Y 

 FIG. 146. Developed Three-phase Winding, Y-connection. 



cuts show how the end connections of the coils of one 

 phase are bent (or left straight) to prevent .contact with 



Slip ring 

 Sliplring 



FIG. 147. Developed Three-phase Winding, A-connection. 



the end connections of another phase. ,< The possibility of 

 a break-down in the insulation between the different phases 

 is thus avoided. 



