PARTS OF A DYNAMO-ELECTRIC MACHINE 



33 



The field coils of such machines are generally made in 

 several narrow sections and imbedded in slots cut into 

 the cylindrical shaped field. In Fig. 10 one of these field 



frame- i- shown: it is sc<-n that there are no projecting 

 polo pieces and that the field coil is in sections. 



Lenhitit- <>f .W,/ f /m //V /'///.(*. The function of the -field- 

 iU and field frame is to produce a strong magnetic field 



