ENGINE AR 3760678 - Caterpillar

144-1951 Generator
Table 18
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
584.2 mm (23 inch)    
596.9 mm (23.5 inch)    
Slots     96     -    
Coil Throw     1 - 17     -    
Turns/Coil     1     -    
Turns/Pole     -     216.5    
No. & Wire Size     7 -
2.5146 mm (0.099 inch) x
7.6962 mm (0.303 inch)    
3.6068 mm (0.142 inch) x
7.7470 mm (0.305 inch)    
Mean Length Turn    
2186.9 mm (86.1 inch)     -    
Copper Weight    
245.8 kg (542 lb)    
400.1 kg (882 lb)    
Inside Connection (1)     4 Parallel Wye     4 in Series    
Line Leads (No. & Size)     48 - #00     -    
Terminal bolt size     3/8 inch     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.00152 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     1.003 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     80 Hz     Permanent Magnet Frequency     - Hz    
Exciter Poles     8    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Stack Length    
63.5 mm (2.5 inch)    
63.5 mm (2.5 inch)    
25.4 mm (1 inch)    
Coils/Group     1     2     1    
Slots (Coils)     8     48     48    
Turns (Coils)     160     7     12    
No. & Size Wire     1 - #14     3 - #15     4 - #18    
Coil Throw     1 - 2     1 - 6     1 - 4    
Mean Length Turn (Calc.)    
330.2 mm (13 inch)    
368.3 mm (14.5 inch)    
208.2 mm (8.2 inch)    
Copper Weight    
11.1 kg (24.5 lb)    
6.2 kg (13.7 lb)    
1.8 kg (3.95 lb)    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel     Series Wye    
Line Leads     2 - #14     6 - #10     3 - #14    
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 29
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D