Monitored Data; Technical Data; Residual Overvoltage Protection 59G/N; Identification - ABB RELION 620 Series Technical Manual

Section 4
Protection functions
4.2.2.9
4.2.2.10
4.2.3
4.2.3.1
282

Monitored data

Table 229: 27 Monitored data
Name Type
PICKUP_DUR FLOAT32
27 Enum

Technical data

Table 230: 27 Technical data
Characteristic
Operation accuracy
1)2)
Pickup time
V
value
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
Pickup value = 1.0 × V
1) , Voltage before fault = 1.1 × V
n
nominal frequency injected from random phase angle, results based on statistical distribution of 1000
measurements
2) Includes the delay of the signal output contact
Pickup value = 0.50, Pickup value multiples in range of 0.90...0.20
3) Minimum

Residual overvoltage protection 59G/N

Identification

Function description
Residual overvoltage protection
Values (Range)
0.00...100.00
1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Value
Depending on the frequency of the voltage
measured: f
±1.5% of the set value or ±0.002 × V
Minimum
Pickup
= 0.9 × set 62 ms
Fault
<40 ms
Depends on the set
<35 ms
±1.0% of the set value or ±20 ms
±5.0% of the theoretical value or ±20 ms
DFT: -50 dB at f = n × f
, f = 60 Hz, undervoltage in one phase-to-phase with
n n
IEC 61850
identification
ROVPTOV
1MAC504801-IB E
Unit Description
% Ratio of pickup time / trip time
Status
±2 Hz
n
Typical
66 ms
Relative hysteresis
, where n = 2, 3, 4, 5,...
n
IEC 60617 ANSI/IEEE C37.2
identification device number
Uo> 59G/N
Technical Manual
n
Maximum
69 ms
3)
620 series ANSI