SR4 and SR4B Electric Power Generation Rewind Data Caterpillar

Winding Data for 5N-9081 Generator through 5N-9432 Generator

Usage:

SR4B 1BN

5N-9081 Generator

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Table 1
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	152.4 mm (6.0 inch)	152.4 mm (6.0 inch)	-
Slots	60	-	-
Coil Throw	1 - 12	-	-
Turns/Coil	5.6 (6,6,4,6,6)	-	-
Turns/Pole	-	110	-
No. & Wire Size	6 - #15	1 - #17	-
Mean Length Turn	934.7 mm (36.8 inch)	-	-
Copper Weight	29.2 kg (64.3 lb)	438.1 kg (965.9 lb)	-
Inside Connection ⁽¹⁾	4/2 Parallel Star	4 in Series	-
Line Leads (No. & Size)	10 - #4	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	0.025 ohms	-	-
Field lead resistance at 25 ° C (77 ° F)	-	0.56 ohms	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	76.2 mm (3.0 inch)	76.2 mm (3.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	105	6
No. & Size Wire	1 - #15	2 - #14.5
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calc.)	365.8 mm (14.4 inch)	304.8 mm (12.0 inch)
Copper Weight	3.9 kg (8.5 lb)	3.4 kg (7.5 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 - 965.2 mm (38.0 inch)	#10 - 152.4 mm (6.0 inch)

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^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #31
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram A

5N-9082 Generator

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Table 2
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	228.6 mm (9.0 inch)	228.6 mm (9.0 inch)	-
Slots	60	-	-
Coil Throw	1 - 12	-	-
Turns/Coil	3.4(3,4,3,4,3)	-	-
Turns/Pole	-	96	-
No. & Wire Size	6 - #15	1 - #9	-
Mean Length Turn	960.1 mm (37.8 inch)	-	-
Copper Weight	18.6 kg (40.95 lb)	18.2 kg (40.04 lb)	-
Inside Connection ⁽¹⁾	4/2 Parallel Star	4 in Series	-
Line Leads (No. & Size)	10 - #4	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	0.0148 ohms	-	-
Field lead resistance at 25 ° C (77 ° F)	-	0.80 ohms	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	50.8 mm (2.0 inch)	50.8 mm (2.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	160	9
No. & Size Wire	1 - #16.5	1 - #14
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calculated)	113.3 mm (4.46 inch)	254.0 mm (10.0 inch)
Copper Weight	2.7 kg (6.0 lb)	1.5 kg (3.4 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 914.4 mm (36.0 inch)	#10 139.7 mm (5.5 inch)

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^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #31
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram E

5N-9083 Generator

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Table 3
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	203.2 mm (8.0 inch)	203.2 mm (8.0 inch)	-
Slots	60	-	-
Coil Throw	1 - 14	-	-
Turns/Coil	3.4(4,3,3,3,4)	-	-
Turns/Pole	-	110	-
No. & Wire Size	8 - #14	1 - #7	-
Mean Length Turn	1135.4 mm (44.7 inch)	-	-
Copper Weight	34.9 kg (77.0 lb)	34.2 kg (75.4 lb)	-
Inside Connection ⁽¹⁾	4/2 Parallel Star	4 in Series	-
Line Leads (No. & Size)	20 - #6	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	0.01 ohms	-	-
Field lead resistance at 25 ° C (77 ° F)	-	0.63 ohms	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	76.2 mm (3.0 inch)	76.2 mm (3.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	95	6
No. & Size Wire	1 - #14.5	2 - #14.5
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calculated)	365.8 mm (14.4 inch)	304.8 mm (12.0 inch)
Copper Weight	3.9 kg (8.7 lb)	3.4 kg (7.5 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 965.2 mm (38.0 inch)	#10 152.4 mm (6.0 inch)

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^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #01
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram A

5N-9084 Generator

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Table 4
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	152.4 mm (6.0 inch)	152.4 mm (6.0 inch)	-
Slots	60	-	-
Coil Throw	1 - 12	-	-
Turns/Coil	5	-	-
Turns/Pole	-	110	-
No. & Wire Size	7 - #15	1 - #7	-
Mean Length Turn	934.7 mm (36.8 inch)	-	-
Copper Weight	29.3 kg (64.7 lb)	29.9 kg (65.9 lb)	-
Inside Connection ⁽¹⁾	4/2 Parallel Star	4 in Series	-
Line Leads (No. & Size)	20 - #6	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	0.01 ohms	-	-
Field lead resistance at 25 ° C (77 ° F)	-	0.63 ohms	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	76.2 mm (3.0 inch)	76.2 mm (3.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	95	6
No. & Size Wire	1 - #14.5	2 - #14.5
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calculated)	365.8 mm (14.4 inch)	304.8 mm (12.0 inch)
Copper Weight	3.9 kg (8.7 lb)	3.4 kg (7.5 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 965.2 mm (38.0 inch)	#10 152.4 mm (6.0 inch)

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^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #31
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram A

5N-9085 Generator

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Table 5
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	228.6 mm (9.0 inch)	228.6 mm (9.0 inch)	-
Slots	60	-	-
Coil Throw	1 - 12	-	-
Turns/Coil	5	-	-
Turns/Pole	-	96	-
No. & Wire Size	5 - #15	1 - #9	-
Mean Length Turn	960.1 mm (37.8 inch)	-	-
Copper Weight	17.2 kg (37.98 lb)	18.2 kg (40.04 lb)	-
Inside Connection ⁽¹⁾	4/2 Parallel Star	4 in Series	-
Line Leads (No. & Size)	10 - #6	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	0.033 ohms	-	-
Field lead resistance at 25 ° C (77 ° F)	-	0.80 ohms	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	50.8 mm (2.0 inch)	50.8 mm (2.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	160	9
No. & Size Wire	1 - #16.5	1 - #14
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calculated)	113.3 mm (4.46 inch)	254.0 mm (10.0 inch)
Copper Weight	2.7 kg (6.0 lb)	1.5 kg (3.4 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 914.4 mm (36.0 inch)	#10 139.7 mm (5.5 inch)

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^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #05
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram E

Note: Wires 20, 22, and 24 are brought out as tap connections between 4th and 5th coil (18 turns from T0).

5N-9086 Generator

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Table 6
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	203.2 mm (8.0 inch)	203.2 mm (8.0 inch)	-
Slots	60	-	-
Coil Throw	1 - 12	-	-
Turns/Coil	4.65(4,4,5,5,5)	-	-
Turns/Pole	-	110	-
No. & Wire Size	7 - #15	1 - #7	-
Mean Length Turn	1036.3 mm (40.8 inch)	-	-
Copper Weight	27.2 kg (60.0 lb)	34.2 kg (75.4 lb)	-
Inside Connection ⁽¹⁾	4/2 Parallel Star	4 in Series	-
Line Leads (No. & Size)	10 - #4	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	0.0192 ohms	-	-
Field lead resistance at 25 ° C (77 ° F)	-	0.630 ohms	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	76.2 mm (3.0 inch)	76.2 mm (3.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	105	6
No. & Size Wire	1 - #15	2 - #14.5
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calculated)	365.8 mm (14.4 inch)	304.8 mm (12.0 inch)
Copper Weight	3.9 kg (8.5 lb)	3.4 kg (7.5 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 965.2 mm (38.0 inch)	#10 152.4 mm (6.0 inch)

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^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #05
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram A

Note: Wires 20, 22, and 24 are brought out as tap connections between 4th and 5th coil (18 turns from T0).

5N-9087 Generator

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Table 7
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	152.4 mm (6.0 inch)	152.4 mm (6.0 inch)	-
Slots	60	-	-
Coil Throw	1 - 12	-	-
Turns/Coil	7	-	-
Turns/Pole	-	110	-
No. & Wire Size	6 - #16	1 - #7	-
Mean Length Turn	934.7 mm (36.8 inch)	-	-
Copper Weight	27.9 kg (61.6 lb)	29.9 kg (65.9 lb)	-
Inside Connection ⁽¹⁾	4/2 Parallel Star	4 in Series	-
Line Leads (No. & Size)	10 - #6	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	0.0366 ohms	-	-
Field lead resistance at 25 ° C (77 ° F)	-	0.56 ohms	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	76.2 mm (3.0 inch)	76.2 mm (3.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	105	6
No. & Size Wire	1 - #15	2 - #14.5
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calculated)	365.8 mm (14.4 inch)	304.8 mm (12.0 inch)
Copper Weight	3.9 kg (8.5 lb)	3.4 kg (7.5 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 965.2 mm (38.0 inch)	#10 152.4 mm (6.0 inch)

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^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #31
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram A

Note: Wires 20, 22, and 24 are brought out as tap connections between 4th and 5th coil (18 turns from T0).

5N-9088 Generator

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Table 8
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	228.6 mm (9.0 inch)	228.6 mm (9.0 inch)	-
Slots	60	-	-
Coil Throw	1 - 12	-	-
Turns/Coil	4	-	-
Turns/Pole	-	96	-
No. & Wire Size	5 - #15	1 - #9	-
Mean Length Turn	960.1 mm (37.8 inch)	-	-
Copper Weight	17.2 kg (37.98 lb)	18.2 kg (40.04 lb)	-
Inside Connection ⁽¹⁾	4/2 Parallel Star	4 in Series	-
Line Leads (No. & Size)	10 - #6	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	0.021 ohms	-	-
Field lead resistance at 25 ° C (77 ° F)	-	0.80 ohms	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	50.8 mm (2.0 inch)	50.8 mm (2.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	160	9
No. & Size Wire	1 - #16.5	1 - #14
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calculated)	113.3 mm (4.46 inch)	254.0 mm (10.0 inch)
Copper Weight	2.7 kg (6.0 lb)	1.5 kg (3.4 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 914.4 mm (36.0 inch)	#10 139.7 mm (5.5 inch)

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^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #31
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram E

5N-9089 Generator

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Table 9
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	203.2 mm (8.0 inch)	203.2 mm (8.0 inch)	-
Slots	60	-	-
Coil Throw	1 - 12	-	-
Turns/Coil	3.6(3,3,4,4,4)	-	-
Turns/Pole	-	110	-
No. & Wire Size	7 - #14	1 - #7	-
Mean Length Turn	1036.3 mm (40.8 inch)	-	-
Copper Weight	30.5 kg (67.2 lb)	442.4 kg (975.4 lb)	-
Inside Connection ⁽¹⁾	4/2 Parallel Star	4 in Series	-
Line Leads (No. & Size)	10 - #2	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	0.012 ohms	-	-
Field lead resistance at 25 ° C (77 ° F)	-	0.63 ohms	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	76.2 mm (3.0 inch)	76.2 mm (3.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	105	6
No. & Size Wire	1 - #15	2 - #14.5
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calculated)	365.8 mm (14.4 inch)	304.8 mm (12.0 inch)
Copper Weight	3.9 kg (8.5 lb)	3.4 kg (7.5 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 965.2 mm (38.0 inch)	#10 152.4 mm (6.0 inch)

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^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #02
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram A

5N-9432 Generator

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Table 10
MAIN STATOR AND ROTOR WINDING DATA
ITEM	STATOR	ROTOR (RANDOM WOUND)	ROTOR (FORM WOUND)
Stack Height	424.2 mm (16.7 inch)	431.8 mm (17.0 inch)	-
Slots	54 ⁽¹⁾	-	-
Coil Throw	1 - 12	-	-
Turns/Coil	1	-	-
Turns/Pole	-	160	-
No. & Wire Size	30 - #13	1 - #7 sq	-
Mean Length Turn	1648.5 mm (64.9 inch)	-	-
Copper Weight	64.2 kg (141.5 lb)	98.4744 kg (217.1 lb)	-
Inside Connection ⁽¹⁾	4 in Series	4 in Series	-
Line Leads (No. & Size)	20 - #00	-	-
Terminal bolt size	3/8 inch	-	-
Low Voltage connected line resistance at 25 ° C (77 ° F)	.0131	-	-
Field lead resistance at 25 ° C (77 ° F)	-	1.17	-
EXCITER WINDING DATA
Exciter Frequency (Hz)	90 Hz
Exciter Poles	6
ITEM	STATOR (FIELD)	ROTOR (ARMATURE)
Stack Length	127.0000 mm (5.0 inch)	127.0000 mm (5.0 inch)
Coils/Group	1	2
Slots (Coils)	6	36
Turns (Coils)	250	6
No. & Size Wire	1 - #18	2 - #15
Coil Throw	1 - 2	1 - 6
Mean Length Turn (Calculated)	464.8 mm (18.3 inch)	406.4 mm (16.0 inch)
Copper Weight	5.2 kg (11.5 lb)	2.7 kg (5.9 lb)
Insulation	Heavy Nytherm
Connection ⁽²⁾	Series	2 Parallel Star
Line Leads	#14 965.2 mm (38.0 inch)	#10 152.4 mm (6.0 inch)

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^( 1 )	Wind 6 coil groups with 4 coils per group, wind 6 coil groups with 5 coils per group. Put coil groups in stator (4,5,4,5-etc).
^( 1 )	See Specifications, "Connection Diagrams for Main Stator and Main Rotor" Connection Diagram #36
^( 2 )	See Specifications, "Connection Diagrams for Exciter" Connection Diagram H