Connection Diagrams; Generator Connection Without Auxiliary Coil - WEG GRT7-TH4-R2 Manual De Instalación, Operación Y Mantenimiento

9 CONNECTION DIAGRAMS

9.1 GENERATOR CONNECTION WITHOUT AUXILIARY COIL

Generator
F-
Voltage
decreases increases
Frequency Frequenct
Decreases increases
Exciter
F+
field
E E 3
F+
F-
Analog Input
Voltage
Faster answer
Decrease
Reactives
Parallelism CT ratio In/x¹
P1
S1
ON/OFF
key³ ³
E3/ S S2
4
GRT7-TH4 R2
A- A+ DW CM UP
Digital Input
Generator Voltage
from 85 to 140 Vca
from 160 to 300 Vca
from 180 to 240 Vca (*)
Automatic Voltage Regulator – GRT7-TH4-R2
Slower answer
Increase
reactives
P2
S2
Potentiometer for
JHz
external voltage
regulation¹ ² (
5k/3W)
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N
R
S
T
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