Connection Diagrams; Three-Phase Alternators - 12 Terminals - WEG G Serie Manual De Instalación, Operación Y Mantenimiento

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4.8.2

Connection diagrams

4.8.2.1 Three-phase alternators – 12 terminals
Star Series (access to neutral)
L - L
380 - 415
L - N
220 - 240
60Hz
E1 - E3/4
190 - 207
(Reference)
L - L
L - N
50Hz
E1 - E3/4
(Reference)
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.
NOTE
To obtain the wiring diagrams of the alternator of frame 400 and higher, refer to WEG.
10680382
Installation, operation and maintenance manual – Synchronous Alternator – G line - Horizontal
440 - 480
254 - 277
220 - 240
380 – 400
220 – 230
190 – 200
8 pins
12 pins - frame 315 - 355
Star Parallel (access to neutral)
VOLTAGE ( V )
190-208
220 – 240
110-120
127 – 139
190-208
220 – 240
190 – 200
110 – 115
190 – 200
8 pins
12 pins - frame / 315 - 355
www.weg.net
Triangle Series
220 – 240
220 – 240
200 – 220
200 – 220
8 pins
12 pins - frame / 315 – 355
l 29

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