ABB RER620

1MAC309294-MB F Section 4
Protection functions
RER620 209
Technical Manual
4.3.3.7 Settings
Table 219: 59N Group settings
Table 220: 59N Non group settings
4.3.3.8 Monitored data
Table 221: 59N Monitored data
4.3.3.9 Technical data
Table 222: 59N Technical data
Parameter Values (Range) Unit Step Default Description
Pickup value 0.010...1.000 xVn 0.001 0.030 Pickup value
Trip delay time 40...300000 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
59N Enum 1=enabled
2=blocked
3=test
4=test/blocked
5=disabled
Status
Characteristic Value
Operation accuracy Depending on the frequency of the voltage
measured: f
n
±2Hz
±1.5% of the set value or ±0.002 x V
n
Pickup time
1,2
1. Zero sequence voltage before fault = 0.0 x V
n
, f
n
= 60 Hz, zero sequence voltage with nominal frequency
injected from random phase angle, results based on statistical distribution of 1000 measurements
2. Includes the delay of the signal output contact
Minimum Typical Maximum
V
Fault
= 1.1 x set Pickup
value
29 ms 31 ms 32 ms
Reset time < 40 ms
Reset ratio Typical 0.96
Retardation time < 35 ms
Trip time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Suppression of harmonics DFT: -50 dB at f = n x f
n
, where n = 2, 3, 4, 5,…