SDMO RENTAL POWER R550C2 User And Maintenance Manual page 234

LEROY-SOMER
Connection codes
L1(U)
A
T1 T7
3-phase
T4
T10
T12
T5
T9
T11
T6
L3(W)
T3
L1(U)
T1
D
3-phase
T4
T7
T10
T12
T9
T11
T8
T3 T6
L3(W)
F L1(U)
T12 T1
Single-phase
or
T9
3-phase
T6
T3
L3(W)
T8 T5
T11
L
M
Voltage LM = 1/2 voltage LL
In case of reconnection, ensure that AVR voltage sensing is correct!
The factory can supply a set of flexible shunts and special connection links as an option for making these connections (*).
8
Installation and maintenance
LSA 47.2 - 4 POLES
ALTERNATORS
Voltage L.L
Winding
6
7
N
8
T2
L2(V)
T8
Winding
6
7
8
N
R 250 voltage sensing:
0 => (T8) / 110 V => (T11)
T5
T2
R 450 voltage sensing:
0 => (T3) / 380 V => (T2)
L2(V)
9
Winding 9: R 450 voltage sensing + transformer (Diagram on request)
Winding
6
7
T4
T7
8
T10
L2(V)
T2
L
50 Hz 60 Hz
190 - 208 190 - 240
-
220
-
190 - 208
R 250 voltage sensing:
0 => (T8) / 110 V => (T11)
R 450 voltage sensing:
0 => (T3) / 220 V => (T2)
50 Hz 60 Hz
380 - 415 380 - 480
-
440
-
380 - 416
-
600
50 Hz 60 Hz
220 - 240
220 - 240
240 - 254 -
-
220 - 240
R 250 voltage sensing:
0 => (T8) / 110 V => (T11)
R 450 voltage sensing:
0 => (T3) / 220 V => (T2)
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Factory connection
T12 T6
T9
T11 T8
T5
T10 T4 T7
N
NDE
T12 T6
T9
T8
T11 T5
T10 T4 T7
N
NDE
T12 T6
T9
T11 T8
T5
T10 T4 T7
AR
Operating phases L2 (V), L3 (W)
single phase
L3(W)
T3
L2(V)
T2
L1(U)
T1
L3(W)
T3
L2(V)
T2
L1(U)
T1
( * )
L3(W)
T3
L2(V)
T2
L1(U)
T1
M