SPECIAL 3T4762 - Caterpillar

4W-9669 Generator
Table 26
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
289.6 mm (11.4 inch)    
289.6 mm (11.4 inch)    
Slots     60     -    
Coil Throw     1 - 12     -    
Turns/Coil     4.00     -    
Turns/Pole     -     96    
No. & Wire Size     5 - #15 SQ     1 - #8 3/4 RD    
Mean Length Turn    
1120.1 mm (44.1 inch)     -    
Copper Weight    
20.1 kg (44.3 lb)    
21.0 kg (46.2 lb)    
Inside Connection (1)     4/2 Parallel Star     4 in Series    
Line Leads (No. & Size)     10 - #4     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.0245 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     0.9444 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    
50.8 mm (2.0 inch)    
50.8 mm (2.0 inch)     -    
Coils/Group     1     2     -    
Slots (Coils)     6     36     -    
Turns (Coils)     160     9     -    
No. & Size Wire     1 - #16.5 SQ     1 - #14 SQ     -    
Coil Throw     1 - 2     1 - 6     -    
Mean Length Turn (Calc.)    
315.0 mm (12.4 inch)    
254.0 mm (10.0 inch)     -    
Copper Weight    
2.7 kg (6.0 lb)    
1.5 kg (3.4 lb)     -    
Insulation     Heavy Nytherm    
Connection (2)     Series     2 Parallel Star     -    
Line Leads     2 - #14     6 - #12     -    
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 05
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram E