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

9 CONNECTION DIAGRAMS

9.1 ALTERNATOR CONNECTION WITHOUT AUXILIARY COIL

Alternator
F-
Voltage Voltage
decreases increases
Frequency Frequency
decreases increases
Figure 8.1: Trimpots function
Exciter
F+
field
E1 E2 3
F+
F-
A- A+
Analog Input
from 180 to 240 Vca (*)
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Faster answer Slower answer
Decrease
reactives
Parallelism CT ratio In/x¹
P1 P2
S2
S1
ON/OFF
key ³
E3/4 S1 S2
GRT7-TH4 R2
JHz
DW CM UP
Digital Input
Alternator Voltage
from 85 to 140 Vca
from 160 to 300 Vca
Automatic Voltage Regulator – GRT7-TH4 R2 l 19
Increase
reactives
N
R
S
T
Single/parallel switch¹
Open: parallel;
Closed: single
Potentiometer for
external voltage
regulation¹ ²
(5kΩ/3W)