12638144 Installation, operation and maintenance manual – Synchronous Alternator – AG10 line - Horizontal l 29
4.8.2
Main connection diagrams
4.8.2.1
Three-phase alternators – Multi-voltage
W
IR
IN
G
D
IA
G
R
A
M
Star Series (access to neutral)
Star Parallel (access to neutral)
Delta Series
VOLTAGE ( V )
60Hz
L - L
380 - 415
440 - 480
190-208
220 – 240
220 – 240
L - N
220 - 240
254 - 277
110-120
127 – 139
–
(Sensing)
190 - 207
220 - 240
190-208
220 – 240
220 – 240
50Hz
L - L
380 – 400
190 – 200
200 – 220
L - N
220 – 230
110 – 115
–
E1 - E3/4
(Sensing)
190 – 200
190 – 200
200 – 220
T
E
R
M
IN
A
L
B
L
O
C
K
8 pins
8 pins
8 pins
12 pins
12 pins
12 pins
ATTENTION
The alternator is supplied with the voltage regulator (AVR) connected to operate at the alternator rated
characteristics;
In case of maintenance or modification of the alternator wiring connections, connect correctly the cables E1,
E3/4 and 3 on the AVR, as follows:
- The cables E1 and E3/4 refers to AVR sensing voltage.
- The cables 3 and E3/4 refers to AVR power supply.
In alternators with 12 terminals, always connect the alternator cables E1 and E3/4 on the AVR terminals E1
and E3/4, regardless of connection type or alternator rated voltage. In these cases, the AVR terminal E2 should
not be used.
