THE ALTERNATOR 



105 



admirably adapted to high-voltage machines. Although coils of 

 several different sizes must be kept in stock as spares, a coil may 



Phase A* Phase J?, 



Fio. 106. Two-phase, 2-layer winding, one slot per pole per phase. 



Phase A 



Phase B 



107. Two-phase chain winding, 2-range. 



In- replaced more ca>ily lli:in il can In- in t he lap winding, \vi 

 l.-iri:'' numlx-i- of , oils must often be removed in order to replace 



a single coil. 



