ALTERNATING GENERATORS AND SYNCHRONOUS MOTORS. 
' ctal number of slots. 
Pole pitch. | 
Temperature rise in field coils. 
Temperature rise in the armature. 
Power factor. 
Hysteresis loss in watts per lb. of iron. 
Eddy current loss in watts per lb. of iron. 
Watt losses in armature winding (copper losses). 
Watt losses in armature core (iron losses). 
= Watt losses in the teeth (iron losses). 
Watt losses in the field winding (copper losses). 
Watt losses due to friction and ventilation. 
Peripheral speed. 
Number of conductors per armature phase. 
Number of turns per pole. 
Specifie resistance of copper. 
Norr.—The numerical calculations in this Book have in nearly 
all cases been carried out by means of the slide rule. 
Students should, therefore, make due allowance for slight 
in 
- apparent discrepancies in the results of calculations given 
the Book. 
