GUIDE AS 2056164 - Caterpillar

6I-4860 Generator Ar
Table 26
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
482.6 mm (19 inch)    
495.30 mm (19.5 inch)    
Slots     72     4    
Coil Throw     1-15     1 - 2    
Turns/Coil     1     -    
Turns/Pole     -     216    
No. & Wire Size     27 # 13     #6 Square    
Mean Length Turn    
1963.42 mm (77.3 inch)    
1534.16 mm (60.4 inch)    
Copper Weight    
90.7 kg (200 lb)    
196.8 kg (434 lb)    
Inside Connection (1)     4 Parallel Star        
Line Leads (No. & Size)     12-4 #2/0 (48 total)     2 of #6 Ld    
Low Voltage connected line resistance at
25° C (77.0° F)     0.00172 ohms     -    
Field lead resistance at
25° C (77.0° F)     -     1.476 ohms    
EXCITER WINDING DATA    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Exciter Frequency (Hz)     80 Hz     80 Hz     240 Hz    
Exciter Poles     8     8     16    
Stack Length    
63.50 mm (2.5 inch)    
63.50 mm (2.5 inch)    
25.4 mm (1 inch)    
Coils/Group     1     2     1    
Turns (Coils)     160     7     12    
No. & Size Wire     1 of #14 GCU140     3 of #15 GCU150     4 - # 18    
Coil Throw     1 - 2     1 - 6     1-4 29-35Lds    
Mean Length Turn    
330.2 mm (13 inch)    
368.30 mm (14.5 inch)    
208.28 mm (8.2 inch)    
Resistance at
25° C (77.0° F)     3.82 ohms     0.0808 ohms     0.239 ohms    
Copper Weight    
11.11 kg (24.5 lb)    
6.21 kg (13.7 lb)    
1.791 kg (3.95 lb)    
Connection (2)     Series     2 Parallel Wye     Wye    
Line Leads     2 of #14 Ld     6 of #10 Ld     3-1 OF #14 (3 total)    
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 06
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D