Leroy-Somer LSA 42.3, Installation And Maintenance Manual

Page: 9 / 28

2021.06 / o
9
Electric Power Generation
Installation and maintenance
LSA 42.3
Low Voltage Alternator - 4 pole
4803 en -
• SHUNT, AREP or PMG three-phase 12-wire
6
7
8
6
7
8
60 Hz 50 Hz
220 - 240 220 - 240
-
60 Hz 50 Hz
220 - 240
220 - 240
-
L
T1 T7
T12
T10
T4
T9
T3
T6
T11
T5
T2 T8
L
M
6
7
8
L1(U)
M
L3(W)
T1
T7
T12
T10
T4
T9
T3
T6
T11 T5 T2 T8
L2(V)
L
L
T1
T7
T12
T10
T4
T9
T3 T6
T11 T5
T2
T8
L1(U)
L3(W) L2(V)
60 Hz 50 Hz
380 - 415 380 - 480
440 - 460
250 - 260
220 - 240 200
250 - 260
220 - 240 200
-
- 380 - 416
D
3PH
FF
1PH
F
L1(U)
N
L3(W)
T1
T7
T12
T10
T4
T9
T3
T6
T11
T5
T2
T8
L2(V)
A
3PH
60 Hz 50 Hz
190 - 208
220 - 230
190 - 240
-
-
190 - 208
6
7
8
1PH
3PH
R220 :
0 => (T8) / 110 V => (T11)
D350 :
U => T1 / V => T2 / W => T3
R220 :
0 => (T8) / 110 V => (T11)
D350 :
U => T1 / V => T2 / W => T3
R220 :
0 => (T8) / 110 V => (T11)
D350 :
U => T1 / V => T2 / W => T3
R220 :
0 => (T1) / 110 V => (T4)
D350 :
V => T1 / W => T10
N
N
L1(U)
L2(V)
L3(W)
T9
T8
T7
T12
T10
T11
T4
T3
T2
T1
T5
T6
N
L1(U)
L2(V)
L3(W)
T9
T8
T7
T12
T10
T11
T4
T3
T2
T1
T5
T6
L1(U)
L2(V)
L3(W)
L
L
T9
T8
T7 T12
T10
T11
T4
T3
T2
T1
T5
T6
M
L
L
T9
T8
T7
T12
T10
T11
T4
T3
T2
T1
T5
T6
or
Connection codes Voltage / Detection Factory connection
Voltage LM = 1/2 voltage LL
Voltage LM = 1/2 voltage LL
Winding
Winding
In case of reconnection, ensure that AVR voltage detection is correct!
Winding
NDE
NDE
NDE
Winding
NDE