DISPLAY 3792843 - Caterpillar

4P-9907 Generator
Table 36
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
495.3 mm (19.5 inch)    
495.3 mm (19.5 inch)    
Slots     48     -    
Coil Throw     1 - 10     -    
Turns/Coil     2     -    
Turns/Pole     -     130    
No. & Wire Size     18 - #14     #8 SQ    
Mean Length Turn    
1645.9 mm (64.8 inch)     -    
Copper Weight    
52.9 kg (116.7 lb)    
66.4 kg (146.4 lb)    
Inside Connection (1)     4/2 Parallel Star     4 in Series    
Line Leads (No. & Size)     24 - #0     -    
Terminal bolt size     3/8 inch     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.014 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     1.40 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     90 Hz     Permanent Magnet Frequency     - Hz    
Exciter Poles     6    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Stack Length    
88.9 mm (3.5 inch)    
88.9 mm (3.5 inch)     -    
Coils/Group     6     2     -    
Slots (Coils)     6     36     -    
Turns (Coils)     150     8     -    
No. & Size Wire     1 - #16     2 - #16     -    
Coil Throw     1 - 2     1 - 6     -    
Mean Length Turn (Calc.)    
388.6 mm (15.3 inch)    
350.5 mm (13.8 inch)     -    
Copper Weight    
4.1 kg (9.1 lb)    
2.2 kg (4.8 lb)     -    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     -    
Line Leads     2 - #14     3 - #10     -    
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 01
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram A