Operation Manual 37107F
MFR 3 - Multi Function Relay
Page 58/165
© Woodward
Service Display for Versions with Voltage Transformers (100 V)
B 00,0kV 00,00Hz
G 00,0kV 00,00Hz
Double voltage/frequency display
The generator and busbar voltage and frequency are displayed. The phase angle be-
tween the generator and busbar is displayed by the synchroscope (LED strip):
B
................... Busbar voltage and frequency
G
................... Generator voltage and frequency
M 00,0kV 00,00Hz
B 00,0kV 00,00Hz
Double voltage/frequency display
The busbar and mains voltage and frequency are displayed. The phase angle be-
tween the busbar and mains is displayed by the synchroscope (LED strip):
M
.................. Mains voltage and frequency
B
................... Busbar voltage and frequency
Status of Relays During Synchronization
Rel.: MCB
f V GCB
Status of breakers and relays of the controller
This screen displays the real-time statuses for the three-position controller outputs
with respect to the analog controller and the signals issued to the power circuit
breaker during synchronization:
f
..................... +
Frequency controller raise
terminal 8/9
-
Frequency controller lower terminal 8/10
V
................... +
Voltage controller raise
terminal 11/12
-
Voltage controller lower
terminal 11/13
MCB
............. on
Close pulse of the MCB
terminal 16/17
off
Open pulse of the MCB
terminal 39/40
GCB
............. on
Close pulse of the GCB
terminal 14/15
off
Open pulse of the GCB
terminal 41/42