BASE GP-VALVE COVER & INJ HARN 2345005 - Caterpillar

(Hz)     90 Hz     90 Hz     240 Hz    
Exciter Poles     6         16    
Stack Length    
127.0 mm (5 inch)    
127.0 mm (5 inch)    
25.4 mm (1 inch)    
Coils/Group     1     1     1    
Turns (Coils)     140     8     12    
No. & Size Wire     15-1/2     2 - #16     4 - #18    
Coil Throw     1 - 2     1 - 6     1-4 29-35Lds    
Mean Length Turn    
464.82 mm (18.3 inch)        
208.28 mm (8.2 inch)    
Resistance at
25° C (77.0° F)     4.68 ohms     0.145 ohms     0.239 ohms    
Copper Weight    
5.21 kg (11.5 lb)    
2.90 kg (6.4 lb)    
1.791 kg (3.95 lb)    
Connection (2)     Series     2 Parallel Wye     Wye    
Line Leads     #14     3 - #10     3-1 OF #14 (3 total)    
( 3 ) Res Spcl is for FG Wilson generators with longer leads
( 3 ) Layer wound, vent openings to divide layers 4-4-5 in coil head
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 63
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D 136-6609 Generator Ar
Table 23
MAIN STATOR AND ROTOR WINDING DATA (3)    
ITEM     STATOR     ROTOR    
Stack Height    
457.2 mm (18 inch)    
457.2 mm (18 inch)    
Slots     60     4    
Coil Throw     1-14     1 - 2    
Turns/Coil     1     -    
Turns/Pole     -     193 (3)    
No. & Wire Size     40 # 14     # 6-1/2 Round    
Mean Length Turn    
1828.8 mm (72 inch)        
Copper Weight    
82.5 kg (182 lb)    
113.8 kg (251 lb)    
Inside Connection (1)     2 Parallel Wye        
Line Leads (No. & Size)     12-4 # 1/0 (48 total)        
Low Voltage connected line resistance at
25° C (77.0° F)     0.00144 ohms     -    
Field lead resistance at
25° C (77.0° F)     -     1.6 ohms    
EXCITER WINDING DATA    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Exciter Frequency (Hz)     90 Hz     90 Hz        
Exciter Poles     6            
Stack Length    
127.0 mm (5 inch)    
127.0 mm (5 inch)        
Coils/Group     1     1        
Turns (Coils)     140     8        
No. & Size Wire     15-1/2     2 - #16        
Coil Throw     1 - 2     1 - 6        
Mean Length Turn    
464.82 mm (18.3 inch)            
Resistance at
25° C (77.0° F)     4.68 ohms     0.145 ohms        
Copper Weight    
5.21 kg (11.5 lb)    
2.90 kg (6.4 lb)