HEAD 2K3739 - Caterpillar

163-8546 Generator Ar
Table 22
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
508.0 mm (20 inch)    
520.70 mm (20.5 inch)    
Slots     60     4    
Coil Throw     1-11     1-2    
Turns/Coil     4     -    
Turns/Pole     -     216.5 (3)    
No. & Wire Size     2 of
4.2672 mm (0.168 inch) x
5.7912 mm (0.228 inch) 1 High x 2 Wide    
3.6068 mm (0.142 inch) x
7.7470 mm (0.305 inch)    
Mean Length Turn    
2073.910 mm (81.65 inch)    
1638.30 mm (64.5 inch)    
Copper Weight    
229.0 kg (505 lb)    
371.9 kg (820 lb)    
Inside Connection (1)     Series Wye     Series    
Line Leads (No. & Size)     6-1 #1/0 (6 total)     #8    
Low Voltage connected line resistance at
25° C (77.0° F)     0.138 ohms     -    
Field lead resistance at
25° C (77.0° F)     -     0.9324 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 opening 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 63
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D