Monitored Data; Technical Data; Positive-Sequence Overvoltage Protection Psptov; Identification - ABB RELION REX640 Technical Manual

Section 4
Protection functions
Table 733: ROVPTOV Non group settings (Advanced)
Parameter
Reset delay time
4.5.3.9
4.5.3.10
4.5.4
4.5.4.1
786
Values (Range) Unit
0...60000 ms

Monitored data

Table 734: ROVPTOV Monitored data
Name
START_DUR
ROVPTOV

Technical data

Table 735: ROVPTOV Technical data
Characteristic
Operation accuracy
Start time 1)2)
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
1) Residual voltage before fault = 0.0 × U
from random phase angle, results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact

Positive-sequence overvoltage protection PSPTOV

Identification

Function description
Positive-sequence overvoltage
protection
Step Default
1 20
Type Values (Range)
FLOAT32 0.00...100.00
Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured
voltage: f
±1.5% of the set value or ±0.002 × U
Minimum
U = 2 × set Start
48 ms
Fault
value
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n × f
, f = 50 Hz, residual voltage with nominal frequency injected
n n
IEC 61850
identification
PSPTOV
1MRS759142 C
Description
Reset delay time
Unit Description
% Ratio of start time /
operate time
Status
±2 Hz
n
Typical Maximum
51 ms 54 ms
, where n = 2, 3, 4, 5,...
n
IEC 60617 ANSI/IEEE C37.2
identification device number
U1> 59PS
Technical Manual
n
REX640