TUBE AS 4839780 - Caterpillar

144-2088 Generator Ar
Table 24
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
584.2 mm (23 inch)    
596.90 mm (23.5 inch)    
Slots     60     4    
Coil Throw     1-12     1 - 2    
Turns/Coil     2     -    
Turns/Pole     -     216.5 (3)    
No. & Wire Size     6 -
3.4798 mm (0.137 inch) x
6.2230 mm (0.245 inch)    
3.6068 mm (0.142 inch) x
7.7470 mm (0.305 inch)    
Mean Length Turn    
2308.86 mm (90.9 inch)    
1765.30 mm (69.5 inch)    
Copper Weight    
328.8 kg (725 lb)    
400.0 kg (882 lb)    
Inside Connection (1)     4 Parallel Wye     Series    
Line Leads (No. & Size)     6 - 8 of # 1/0 (48 total)     #8    
Low Voltage connected line resistance at
25° C (77.0° F)     0.00205 ohms     -    
Field lead resistance at
25° C (77.0° F)     -     1.003 ohms    
EXCITER WINDING DATA    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Exciter Frequency (Hz)     60 Hz     120 Hz     240 Hz    
Exciter Poles     8     8     16    
Stack Length    
88.90 mm (3.5 inch)    
88.90 mm (3.5 inch)    
25.4 mm (1 inch)    
Coils/Group     1     1     1    
Turns (Coils)     175     18     12    
No. & Size Wire     2 of #16     4 #18     4 - #18    
Coil Throw     1 - 2     1 - 6     1-4 29-35Lds    
Mean Length Turn    
355.6 mm (14 inch)    
419.10 mm (16.5 inch)    
208.28 mm (8.2 inch)    
Resistance at
25° C (77.0° F)     3.8 ohms     0.159 ohms     0.239 ohms    
Copper Weight    
12.92 kg (28.5 lb)    
5.53 kg (12.2 lb)    
1.791 kg (3.95 lb)    
Connection (2)     Series     2 Parallel Wye     Wye    
Line Leads     2 - #14     3 of #10 (3-Total)     3-1 OF #14 (3-Total)    
( 3 ) Layer wound with 12.70 mm (0.5 inch) vent openings to be divided at layers 9-8 in the coil head. (wind 9 layers - put in spacer - wind last 8 layers).
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 29
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D