ALTERNATING CURRENT GENERATORS 



117 



W b = 2V L XC L X% P-F. for two-phase machines. 



C\ should be calculated for various power-factors as 

 given under regulation. 



The change in the line current will affect C\, Wi, W% 

 and the C 2 R of the armature. See Fig. 35 and Table 

 XIII. 



Fig. 35. Efficiency and Losses on a 5000 Kw., 11000 Volt, 

 3-Phase A.C. Generator 



