ENCLOSURE GP 4914795 - Caterpillar

142-9900 Generator Ar
Table 16
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
914.4 mm (36 inch)    
927.10 mm (36.5 inch)    
Slots     90     4    
Coil Throw     1-12     1 - 2    
Turns/Coil     1     -    
Turns/Pole     -     163.5 (3)    
No. & Wire Size     3 -
5.1816 mm (0.204 inch) x
8.2550 mm (0.325 inch) 3 High x 1 Wide     1 of
3.6576 mm (0.144 inch) X
7.3152 mm (0.288 inch)    
Mean Length Turn    
2712.72 mm (106.8 inch)    
2311.4 mm (91 inch)    
Copper Weight    
276.6 kg (610 lb)    
549.7 kg (1212 lb)    
Inside Connection     3 Parallel Wye     Series    
Line Leads (No. & Size)     6 - 6 of # 2/0     2 of #6 Ld    
Low Voltage connected line resistance at
25° C (77.0° F)     0.00305 ohms     -    
Field lead resistance at
25° C (77.0° F)     -     1.522    
EXCITER WINDING DATA    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Exciter Frequency (Hz)     80 Hz     80 Hz        
Exciter Poles     8     8        
Stack Length    
88.90 mm (3.5 inch)    
88.90 mm (3.5 inch)        
Coils/Group     1     1        
Turns (Coils)     320     16        
No. & Size Wire     2 # 18.5     3 of #16        
Coil Throw     1 - 2     1 - 6        
Mean Length Turn    
355.6 mm (14 inch)    
419.10 mm (16.5 inch)        
Resistance at
25° C (77.0° F)     3.2 ohms     0.122 ohms        
Copper Weight    
14.01 kg (30.9 lb)    
6.3 kg (14 lb)        
Connection     2Gr Ser/Par     2 Parallel Wye        
Line Leads     #14     3 - #10        
( 3 ) Winding table: wind 4-layers of 15 turns, 2-layers of 14 turns, 1-layer of 13 turns, 1-layer of 12 turns, 1-layer of 11turns, 1-layer of 10 turns, 1-layer of 9 turns, 1-layer of 8-turns, 1-layer of 6.5 turns, 1-layer of 6 turns = 163.5 turns.