STUD 8M8778 - Caterpillar

158-6410 Generator Ar
Table 1
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
269.24 mm (10.6 inch)    
281.94 mm (11.1 inch)    
Slots     90     6    
Coil Throw     1-11     1 - 2    
Turns/Coil     3     -    
Turns/Pole     -     154.5 (3)    
No. & Wire Size     1 -
4.1402 mm (0.163 inch) X
6.8326 mm (0.269 inch)     1 of
3.3020 mm (0.130 inch) X
6.3500 mm (0.250 inch)    
Mean Length Turn    
1295.4 mm (51 inch)        
Copper Weight    
89.3 kg (197 lb)    
168.7 kg (372 lb)    
Inside Connection (1)     3 Parallel Wye     Series    
Line Leads (No. & Size)     6-3 #1/0 (18 total)     1 of #8 Ld    
Low Voltage connected line resistance at
25° C (77.0° F)     0.0187 ohms     -    
Field lead resistance at
25° C (77.0° F)     -     0.802 ohms    
EXCITER WINDING DATA    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Exciter Frequency (Hz)     60 Hz     120 Hz     160 Hz    
Exciter Poles     8     8     16    
Stack Length    
88.90 mm (3.5 inch)    
88.90 mm (3.5 inch)    
31.750 mm (1.25 inch)    
Coils/Group     1     1     1    
Turns (Coils)     175     18     17    
No. & Size Wire     2 of #16     4 #18     2 of #17 GCU170    
Coil Throw     1 - 2     1 - 6     1-4    
Mean Length Turn    
355.6 mm (14 inch)    
419.10 mm (16.5 inch)    
2209.8 mm (87 inch)    
Resistance at
25° C (77.0° F)     3.8 ohms     0.159 ohms     0.509 ohms    
Copper Weight    
12.92 kg (28.5 lb)    
5.53 kg (12.2 lb)    
0.566 kg (1.25 lb)    
Connection (2)     Series     2 Parallel Wye     Wye    
Line Leads     2 - #14     3 of #10 (3-Total)     3-1 of #14    
( 3 ) 4-Layers-15-Turns, 1-Layer-14-Turns, 1-Layer-13-Turns, 1-Layer-12-Turns, 1-Layer-11-Turns, 1-Layer-10trns, 1-Layer-9-Turns, 1-Layer-8-Turns, 1-Layer-7trns, 1-Layer-6-Turns, 1-Layer- 4.5-Turns. 12.70 mm (0.5 inch) spacer after layer 6.
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 34
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D 158-6412 Generator Ar
Table 2
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
467.36 mm (18.4 inch)    
480.06 mm (18.9 inch)    
Slots     72     6    
Coil Throw     1-11     1 - 2    
Turns/Coil     2     -    
Turns/Pole     -     154.5 (3)    
No. & Wire Size     6 -
2.2860 mm (0.090 inch) X
4.8260 mm (0.190 inch)     1 of
3.3020 mm (0.130 inch) X
6.3500 mm (0.250 inch)    
Mean Length Turn    
1775.46 mm (69.9 inch)    
1379.22 mm (54.3 inch)    
Copper Weight