ABB RER620

Section 4 1MAC309294-MB F
Protection functions
212 RER620
Technical Manual
4.3.4.7 Settings
Table 225: 59PS group settings
Table 226: 59PS non-group settings
4.3.4.8 Technical data
Table 227: 59PS Technical data
Parameter Values (Range) Unit Step Default Description
Relative hysteresis 1.0,,,100.0 % 0.1 2.0 Relative (percentage) hysteresis for operation
Pickup value 0.800...1.600 pu 0.001 1.100 59PS pickup value
Parameter Values (Range) Unit Step Default Description
Operation 0=Off
1=On
1=On Operation Off/On
Reset delay 0...1200 ms 1 0 Reset delay time
Trip delay 0...1200 ms 1 0 Trip delay time
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,…