Block Diagram; Trimpots Function; Trimpots Adjustment - WEG GRT7-TR1 Manual De Instalación, Operación Y Mantenimiento

6 BLOCK DIAGRAM

Reference value
Analog input
± 9 Vdc(1)

7 TRIMPOTS FUNCTION

P1: Voltage adjustment
P2: Stability adjustment.
P3: Under frequency adjustment.
P4: Droop adjustment.

8 TRIMPOTS ADJUSTMENT

P1: Rotating CW, voltage increases.
P2: Rotating CW, dynamic response will be slower.
P3: Rotating CW, U/F range increases and rotating CCW, it decreases.
P4: Rotating CW, reactive compensation range increases.
NOTE
1. A potentiometer may be connected for fine voltage adjustment (5KΩ/ 3W) at terminals 6 and 7.
PID
+
- +
+
U/F
Sensing
DROOP ²
Automatic
field flashing
Power stage
Automatic Voltage Regulator - GRT7-TR1 | 13
www.weg.net
Excitation field
G