SYNCHRONOUS GENERATORS 



287 



the e.m.f. which it consumes and which has to be impressed, must 

 thus be loading 90 ahead of the current. This is illustrated in 



Tlux 



FIG. 157. E.M.F. and M.M.F. Diagram. Non-inductive Load.] 



,1 



(-Flux 



FIG. 158. E.M.F. and M.M.F. Diagram. Lagging Inductive Load.] 







FIG. 159. E.M.F. and M.M.F. Diagram. Leading Inductive Load. 



the diagram, Fig. 157, where the vector XI denotes the e.m.f. 

 consumed by the reactance X. 



