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SR4 and SR4B Electric Power Generation Rewind Data Caterpillar


Winding Data for 102-2415 Generator through 108-3052 Generator

Usage:

SR4B 1BN

102-2415 Generator

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Table 1
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
304.8 mm (12 inch)    
304.8 mm (12 inch)    
Slots     48     -    
Coil Throw     1 - 10     -    
Turns/Coil     3.75 (4-4-4-3)     -    
Turns/Pole     -     130    
No. & Wire Size     8 - #14     #8 SQ    
Mean Length Turn    
1242.1 mm (48.9 inch)    		 -    
Copper Weight    
33.7 kg (74.4 lb)    
48.3 kg (106.5 lb)    
Inside Connection (1)     2 Parallel Star     4 in Series    
Line Leads (No. & Size)     4 - #0     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.04355 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     1.015 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    
88.9 mm (3.5 inch)    
88.9 mm (3.5 inch)    		 -    
Coils/Group     6     2     -    
Slots (Coils)     6     36     -    
Turns (Coils)     150     8     -    
No. & Size Wire     1 - #16     2 - #16     -    
Coil Throw     1 - 2     1 - 6     -    
Mean Length Turn (Calc.)    
388.6 mm (15.3 inch)    
350.5 mm (13.8 inch)    		 -    
Copper Weight    
4.1 kg (9.1 lb)    
2.2 kg (4.8 lb)    		 -    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     -    
Line Leads     2 - #14     3 - #10     -    
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( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 21
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D

102-2417 Generator

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Table 2
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
419.1 mm (16.5 inch)    
419.1 mm (16.5 inch)    
Slots     48     -    
Coil Throw     1 - 10     -    
Turns/Coil     3     -    
Turns/Pole     -     130    
No. & Wire Size     12 - #14     #8 SQ    
Mean Length Turn    
1470.7 mm (57.9 inch)    		 -    
Copper Weight    
47.9 kg (105.7 lb)    
59.1 kg (130.4 lb)    
Inside Connection (1)     2 Parallel Star     4 in Series    
Line Leads (No. & Size)     4 - #000     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.0291 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     1.225 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    
88.9 mm (3.5 inch)    
88.9 mm (3.5 inch)    		 -    
Coils/Group     6     2     -    
Slots (Coils)     6     36     -    
Turns (Coils)     150     8     -    
No. & Size Wire     1 - #16     2 - #16     -    
Coil Throw     1 - 2     1 - 6     -    
Mean Length Turn (Calc.)    
388.6 mm (15.3 inch)    
350.5 mm (13.8 inch)    		 -    
Copper Weight    
4.1 kg (9.1 lb)    
2.2 kg (4.8 lb)    		 -    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     -    
Line Leads     2 - #14     3 - #10     -    
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( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 21
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D

103-1254 Generator

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Table 3
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
424.2 mm (16.7 inch)    
431.8 mm (17 inch)    
Slots     84     -    
Coil Throw     1 - 19     -    
Turns/Coil     2     -    
Turns/Pole     -     165    
No. & Wire Size     9 - #13     #7 SQ    
Mean Length Turn    
1724.7 mm (67.9 inch)    		 -    
Copper Weight    
62.1 kg (137 lb)    
102.0 kg (224.8 lb)    
Inside Connection (1)     4 Parallel Star     4 in Series    
Line Leads (No. & Size)     24 - #2     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.0104 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     1.25 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     90 Hz     Permanent Magnet Frequency     240 Hz    
Exciter Poles     6     16    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Stack Length    
127.0 mm (5.0 inch)    
127.0 mm (5.0 inch)    
25.4 mm (1 inch)    
Coils/Group     1     2     1    
Slots (Coils)     6     36     48    
Turns (Coils)     140     7     12    
No. & Size Wire     1 - #15.5     2 - #15.5     4 - #18    
Coil Throw     1 - 2     1 - 6     1 - 4    
Mean Length Turn (Calc.)    
464.8 mm (18.3 inch)    
406.4 mm (16.0 inch)    
208.3 mm (8.2 inch)    
Copper Weight    
5.2 kg (11.5 lb)    
2.7 kg (6.0 lb)    
1.8 kg (4.0 lb)    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     1 Series    
Line Leads     1 - #14     3 - #10     3 - #14    
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( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 41
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D

106-3578 Generator

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Table 4
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
566.4 mm (22.3 inch)    
566.4 mm (22.3 inch)    
Slots     60     -    
Coil Throw     1 - 13     -    
Turns/Coil     1     -    
Turns/Pole     -     180    
No. & Wire Size     40 - #14     #6.5 RD    
Mean Length Turn    
19873.7 mm (78.1 inch)    		 -    
Copper Weight    
93.9 kg (207 lb)    
123.4 kg (272.0 lb)    
Inside Connection (1)     2 Parallel Star     Series    
Line Leads (No. & Size)     24 - #0     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.00485 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     1.732 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     90 Hz     Permanent Magnet Frequency     240 Hz    
Exciter Poles     6     16    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Stack Length    
127.0 mm (5.0 inch)    
127.0 mm (5.0 inch)    
25.4 mm (1 inch)    
Coils/Group     1     1     1    
Slots (Coils)     6     36     48    
Turns (Coils)     140     8     12    
No. & Size Wire     1 - #15.5     2 - #16     4 - #18    
Coil Throw     1 - 2     1 - 6     1 - 4    
Mean Length Turn (Calc.)    
464.8 mm (18.3 inch)    
464.8 mm (18.3 inch)    
208.3 mm (8.2 inch)    
Copper Weight    
5.2 kg (11.5 lb)    
2.9 kg (6.4 lb)    
1.8 kg (4.0 lb)    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     1 Series    
Line Leads     1 - #14     3 - #10     3 - #14    
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( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 41
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D

106-3579 Generator

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Table 5
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
566.4 mm (22.3 inch)    
566.4 mm (22.3 inch)    
Slots     60     -    
Coil Throw     1 - 13     -    
Turns/Coil     1     -    
Turns/Pole     -     180    
No. & Wire Size     40 - #14     #6.5 RD    
Mean Length Turn    
19873.7 mm (78.1 inch)    		 -    
Copper Weight    
93.9 kg (207 lb)    
123.4 kg (272.0 lb)    
Inside Connection (1)     2 Parallel Star     Series    
Line Leads (No. & Size)     24 - #0     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.00485 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     1.732 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     90 Hz     Permanent Magnet Frequency     240 Hz    
Exciter Poles     6     16    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Stack Length    
127.0 mm (5.0 inch)    
127.0 mm (5.0 inch)    
25.4 mm (1 inch)    
Coils/Group     1     1     1    
Slots (Coils)     6     36     48    
Turns (Coils)     140     8     12    
No. & Size Wire     1 - #15.5     2 - #16     4 - #18    
Coil Throw     1 - 2     1 - 6     1 - 4    
Mean Length Turn (Calc.)    
464.8 mm (18.3 inch)    
464.8 mm (18.3 inch)    
208.3 mm (8.2 inch)    
Copper Weight    
5.2 kg (11.5 lb)    
2.9 kg (6.4 lb)    
1.8 kg (4.0 lb)    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     1 Series    
Line Leads     1 - #14     3 - #10     3 - #14    
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( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 41
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D

106-3652 Generator

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Table 6
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
660.4 mm (26 inch)    
673.1 mm (26.5 inch)    
Slots     60     -    
Coil Throw     1 - 13     -    
Turns/Coil     3     -    
Turns/Pole     -     174    
No. & Wire Size     2 -
4.3 mm (0.168 inch) ×
5.8 mm (0.228 inch)    
3.7 mm (0.144 inch) ×
7.3 mm (0.288 inch)    
Mean Length Turn    
2517.1 mm (99.1 inch)    		 -    
Copper Weight    
213.0 kg (469.5 lb)    
320.1 kg (705.6 lb)    
Inside Connection (1)     1 Series Star     4 in Series    
Line Leads (No. & Size)     6 - #2/0     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.119 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     0.895 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     120 Hz     Permanent Magnet Frequency     - Hz    
Exciter Poles     8    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Stack Length    
88.9 mm (3.5 inch)    
88.9 mm (3.5 inch)    		 -    
Coils/Group     1     2     -    
Slots (Coils)     8     48     -    
Turns (Coils)     160     8     -    
No. & Size Wire     2 - #17 and 1 - #18     3 - #16     -    
Coil Throw     1 - 2     1 - 6     -    
Mean Length Turn (Calc.)    
355.6 mm (14 inch)    
436.9 mm (17.2 inch)    		 -    
Copper Weight    
14.0 kg (30.9 lb)    
6.4 kg (14 lb)    		 -    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     -    
Line Leads     2 - #14     3 - #10     -    
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( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 12
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram C

107-2967 Generator

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Table 7
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
172.7 mm (6.8 inch)    
172.7 mm (6.8 inch)    
Slots     48     -    
Coil Throw     1 - 9     -    
Turns/Coil     Winding #1 (1)
5.5 (5-6-5-6)    		 Winding #2
5.5 (6-5-6-5)    		    
Turns/Pole     -     -     130    
No. & Wire Size     6 - #16     3 - #16     #8 SQ    
Mean Length Turn     -     -     -    
Copper Weight    
25.9 kg (57.2 lb)    
35.7 kg (78.7 lb)    
Inside Connection (1)     4 Parallel Star     4 in Series    
Line Leads (No. & Size)     12 - #2     6 - #2     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.0175 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     0.083 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    
76.2 mm (3.0 inch)    
76.2 mm (3.0 inch)    		 -    
Coils/Group     1     2     -    
Slots (Coils)     6     36     -    
Turns (Coils)     150     7     -    
No. & Size Wire     1 - #16     2 - #15.5     -    
Coil Throw     1 - 2     1 - 6     -    
Mean Length Turn (Calc.)    
363.2 mm (14.3 inch)    
325.1 mm (12.8 inch)    		 -    
Copper Weight    
3.9 kg (8.5 lb)    
2.2 kg (4.8 lb)    		 -    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     -    
Line Leads     2 - #14     3 - #10     -    
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( 1 ) Tap lead X1 three turns from finish in coil group 10 (Phase 1).
( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 54
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D

107-3133 Generator

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Table 8
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
172.7 mm (6.8 inch)    
172.7 mm (6.8 inch)    
Slots     48     -    
Coil Throw     1 - 10     -    
Turns/Coil     7     -    
Turns/Pole     -     130    
No. & Wire Size     5 - #14     #8 SQ    
Mean Length Turn    
977.9 mm (38.5 inch)    		 -    
Copper Weight    
31.0 kg (68.4 lb)    
35.7 kg (78.7 lb)    
Inside Connection (1)     2 Parallel Star     4 in Series    
Line Leads (No. & Size)     4 - #4     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.1015 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     0.753 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    
76.2 mm (3.0 inch)    
76.2 mm (3.0 inch)    		 -    
Coils/Group     1     2     -    
Slots (Coils)     6     36     -    
Turns (Coils)     150     7     -    
No. & Size Wire     1 - #16     2 - #15.5     -    
Coil Throw     1 - 2     1 - 6     -    
Mean Length Turn (Calc.)    
363.2 mm (14.3 inch)    
325.1 mm (12.8 inch)    		 -    
Copper Weight    
3.9 kg (8.5 lb)    
2.2 kg (4.8 lb)    		 -    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     -    
Line Leads     2 - #14     3 - #10     -    
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( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 21
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram D

108-3052 Generator

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Table 9
MAIN STATOR AND ROTOR WINDING DATA    
ITEM     STATOR     ROTOR    
Stack Height    
660.4 mm (26 inch)    
673.1 mm (26.5 inch)    
Slots     84     -    
Coil Throw     1 - 17     -    
Turns/Coil     1     -    
Turns/Pole     -     174    
No. & Wire Size     2 -
3.8 mm (0.148 inch) ×
3.9 mm (0.153 inch)    
3.7 mm (0.144 inch) ×
7.3 mm (0.288 inch)    
Mean Length Turn    
2608.6 mm (102.7 inch)    		 -    
Copper Weight    
195.1 kg (430.1 lb)    
320.1 kg (705.6 lb)    
Inside Connection (1)     4 Parallel Star     4 in Series    
Line Leads (No. & Size)     48 - #2/0     -    
Terminal bolt size     3/8 in     -    
Low Voltage connected line resistance at 25 ° C (77 ° F)     0.00209 ohms     -    
Field lead resistance at 25 ° C (77 ° F)     -     0.895 ohms    
EXCITER WINDING DATA    
Exciter Frequency (Hz)     120 Hz     Permanent Magnet Frequency     - Hz    
Exciter Poles     8    
ITEM     STATOR (FIELD)     ROTOR (ARMATURE)     Permanent Magnet Stator    
Stack Length    
88.9 mm (3.5 inch)    
88.9 mm (3.5 inch)    		 -    
Coils/Group     1     2     -    
Slots (Coils)     8     48     -    
Turns (Coils)     160     8     -    
No. & Size Wire     2 - #17 and 1 - #18     3 - #16     -    
Coil Throw     1 - 2     1 - 6     -    
Mean Length Turn (Calc.)    
355.6 mm (14 inch)    
436.9 mm (17.2 inch)    		 -    
Copper Weight    
14.0 kg (30.9 lb)    
6.4 kg (14 lb)    		 -    
Insulation     Heavy Polyester Polyamide Imide    
Connection (2)     Series     2 Parallel Star     -    
Line Leads     2 - #14     3 - #10     -    
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( 1 ) See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram 43
( 2 ) See Specifications, "Connection Diagrams for Exciter" Connection Diagram C

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