BASIC ENGINE ARRANGEMENT 6A7357 - Caterpillar

Note: Specifications given are for manual rewind only. 5N-0075 Generator
Table 29
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR
(RANDOM
WOUND)     ROTOR
(FORM
WOUND)    
Stack Height    
292.1 mm (11.5 inch)    
292.1 mm (11.5 inch)    
292.1 mm (11.5 inch)    
Slots     60     -     -    
Coil Throw     1 - 12     -     -    
Turns/Coil     2.8 (3,3,2,3,3)     -     -    
Turns/Pole     -     100     110    
No. & Wire Size     10 - #14     5 - #13     1 - #7    
Mean Length Turn    
1214.1 mm (47.8 inch)     -     -    
Copper Weight    
39.5 kg (87.0 lb)    
45.7 kg (100.7 lb)    
41.7 kg (91.9 lb)    
Inside Connection (1)     4/2 Parallel Star     4 in Series     4 in Series    
Line Leads (No. & Size)     20 - #4     -     -    
Terminal bolt size     1/4 inch     -     -    
Low Voltage connected line
resistance at 25 ° C (77 ° F)     0.0078 ohms.     -     -    
Field lead resistance at
25 ° C (77 ° F)     -     0.514 ohms     0.76 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     90 Hz    
Exciter Poles     6    
ITEM     DISTRIBUTED WINDING     SALIENT WINDING     ROTOR (ARMATURE)    
Stack Length    
101.6 mm (4.0 inch)    
101.6 mm (4.0 inch)    
101.6 mm (4.0 inch)    
Coils/Group     5     1     2    
Slots (Coils)     30     6     36    
Turns (Coils)     21     105     4    
No. & Size Wire     2 - #17     1 - #14.5     4 - #16    
Coil Throw     1 - 6     1 - 2     1 - 6    
Mean Length Turn (Calc.)    
508.0 mm (20.0 inch)    
449.6 mm (17.7 inch)    
406.4 mm (16.0 inch)    
Copper Weight    
3.3 kg (7.5 lb)    
4.3 kg (9.7 lb)    
1.6 kg (3.6 lb)    
Insulation     H. Polythermaleze    
Connection (2)     Series     Series     2 Parallel Star    
Line Leads     #14
914.4 mm (36.0 inch)     #14
965.2 mm (38.0 inch)     6 - #10
114.3 mm (4.5 inch)    
( 1 ) See Specification, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #01
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram ANote: Specifications given are for manual rewind only.