Internal Connection Diagram; Dimensions - WEG GRT7-TH4-R2 Manual De Instalación, Operación Y Mantenimiento

11 INTERNAL CONNECTION DIAGRAM

Use a DC isolated power supply if there is a need to pre-excite the excitation field. As an option, a diode can be placed after the
F- terminal or an isolation transformer can be placed between terminals 3 and E3/4 with the generator phases of of the
generator as a means of protection against short circuits.

12 DIMENSIONS

G
F- F+
E1
F+
F-
E2 3 E S1
S2
3/4
A- A+ DW CM UP
Automatic Voltage Regulator – GRT7-TH4-R2
www.weg.net
N
R
S
T
F – Protection Fuse
| 23