DIRECT-CURRENT MACHINERY 



217 



Amperes 



FIG. 183. Characteristic curves of a 500-volt crane motor with 

 a capacity of 65 h. p. for hour. 



400 



10 20 30 40 50 60 70 80 90 100 110 

 Line Amperes 



FIG. 184. Characteristic curves of a 25-h. p. 

 compound-wound motor. 



