COVER-UNLOADER 7N7450 - Caterpillar

144-1811 Generator
Table 1
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
558.8 mm (22 inch)    
571.5 mm (22.5 inch)    
Slots     60     -    
Coil Throw     1 - 11     -    
Turns/Coil     1     -    
Turns/Pole     -     216    
No. & Wire Size     12 -
2.8448 mm (0.112 inch) x
5.4610 mm (0.215 inch)     #6 SQ    
Mean Length Turn    
1963.4 mm (77.3 inch)     -    
Copper Weight    
217.7 kg (480 lb)    
216.3 kg (477 lb)    
Inside Connection (1)     2 Parallel Wye     4 in Series    
Line Leads (No. & Size)     24 - #4/0     -    
Terminal bolt size     3/8 inch     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.00250 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     1.660 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     90 Hz     Permanent Magnet Frequency     - Hz    
Exciter Poles     6    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Stack Length    
152.4 mm (6.0 inch)    
152.4 mm (6.0 inch)    
25.4 mm (1 inch)    
Coils/Group     1     2     1    
Slots (Coils)     6     36     48    
Turns (Coils)     140     9     12    
No. & Size Wire     1 - #15.5     1 - #16
1 - #16.5     4 - #18    
Coil Throw     1 - 2     1 - 6     1 - 4    
Mean Length Turn (Calc.)    
515.6 mm (20.3 inch)    
431.8 mm (17 inch)    
208.2 mm (8.2 inch)    
Copper Weight    
6.0 kg (13.3 lb)    
3.1 kg (6.9 lb)    
1.8 kg (3.95 lb)    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel     Series Wye    
Line Leads     1 - #14     3 - #10     3 - #14    
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 41
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D 144-1813 Generator
Table 2
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
596.9 mm (23.5 inch)    
609.6 mm (24 inch)    
Slots     60     -    
Coil Throw     1 - 12     -    
Turns/Coil     1     -    
Turns/Pole     -     216    
No. & Wire Size     10 -
3.8100 mm (0.150 inch) x
5.7150 mm (0.225 inch)     #6 SQ    
Mean Length Turn    
2301.2 mm (90.6 inch)     -    
Copper Weight    
263.0 kg (582 lb)    
225.4 kg (497 lb)    
Inside Connection (1)     2 Parallel Wye     4 in Series    
Line Leads (No. & Size)