HOUSING 8V0470 - Caterpillar

147-9497 Generator
Table 11
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
584.2 mm (23 inch)    
596.9 mm (23.5 inch)    
Slots     72     -    
Coil Throw     1 - 15     -    
Turns/Coil     1     -    
Turns/Pole     -     216.5    
No. & Wire Size     10 -
3.7592 mm (0.148 inch) x
4.9276 mm (0.194 inch)    
3.6068 mm (0.142 inch) x
7.7470 mm (0.305 inch)    
Mean Length Turn    
2377.4 mm (93.6 inch)     -    
Copper Weight    
288.0 kg (635 lb)    
400.1 kg (882 lb)    
Inside Connection (1)     4 Parallel Wye     4 in Series    
Line Leads (No. & Size)     48 - #4/0     -    
Terminal bolt size     3/8 inch     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.00080 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