ABB RER620, Technical Manual

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Section 4
Protection functions
RER620 215
Technical Manual
the closure of the circuit breaker if the 47 operation has started. This scheme also prevents
connecting the machine to the network if the phase sequence of the network is not correct.
An appropriate value for the setting parameter Voltage pickup value is approximately 3
percent of V
n
. A suitable value for the setting parameter Trip delay time depends on the
application. If the 47 operation is used as a backup protection, the trip time should be set
in accordance with the trip time of 46 used as the main protection. If the 47 operation is
used as the main protection, the trip time should be approximately one second.
4.3.5.6 Signals
Table 228: 47 Input signals
Table 229: 47 Output signals
4.3.5.7 Settings
Table 230: 47 Group settings
Table 231: 47 Non group settings
4.3.5.8 Monitored data
Table 232: 47 Monitored data
Name Type Default Description
V
2
SIGNAL 0 Negative phase sequence voltage
BLOCK BOOLEAN 0=False Block signal for activating the blocking mode
Name Type Description
TRIP BOOLEAN Trip
PICKUP BOOLEAN Pickup
Parameter Values (Range) Unit Step Default Description
Pickup value 0.010...1.000 xVn 0.001 0.030 Pickup value
Trip delay time 40...120000 ms 1 40 Trip delay time
Parameter Values (Range) Unit Step Default Description
Operation 1=Enable
5=Disable
5=Disable Operation Disable / Enable
Reset delay time 0...60000 ms 1 20 Reset delay time
Name Type Values (Range) Unit Description
PICKUP_DUR FLOAT32 0.00...100.00 % Ratio of pickup
time / trip time
47 Enum 1=enabled
2=blocked
3=test
4=test/blocked
5=disabled
Status