BOOM AS 2488586 - Caterpillar

109-3774 Generator
Table 19
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
276.9 mm (10.9 inch)    
276.9 mm (10.9 inch)    
Slots     48     -    
Coil Throw     1 - 10     -    
Turns/Coil     3.25 (3-3-3-4)     -    
Turns/Pole     -     130    
No. & Wire Size     9 - #14     #8 SQ    
Mean Length Turn    
1231.9 mm (48.5 inch)     -    
Copper Weight    
31.4 kg (69.3 lb)    
45.6 kg (100.6 lb)    
Inside Connection (1)     2 Parallel Star     4 in Series    
Line Leads (No. & Size)     24 - #4     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.00895 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     0.961 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     90 Hz     Permanent Magnet Frequency     120 Hz    
Exciter Poles     6     8    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Stack Length    
88.9 mm (3.5 inch)    
88.9 mm (3.5 inch)    
31.8 mm (1.25 inch)    
Coils/Group     6     2     1    
Slots (Coils)     6     36     24    
Turns (Coils)     150     8     12    
No. & Size Wire     1 - #16     2 - #16     2 - #18    
Coil Throw     1 - 2     1 - 6     1 - 4    
Mean Length Turn (Calc.)    
388.6 mm (15.3 inch)    
350.5 mm (13.8 inch)    
330.2 mm (13.0 inch)    
Copper Weight    
4.1 kg (9.1 lb)    
2.2 kg (4.8 lb)    
0.5 kg (1.0 lb)    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     Star    
Line Leads     2 - #14     3 - #10     3 - #14    
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 03
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D