Monitored Data; Technical Data; Phase Reversal Protection Prevptoc; Identification - ABB RELION REX640 Technical Manual

1MRS759142 C
Table 685: PDNSPTOC Non group settings (Advanced)
Parameter Values (Range)
Reset delay time
Min phase current
4.4.3.9
4.4.3.10
4.4.4
4.4.4.1
REX640
Technical Manual
Unit
0...60000 ms
0.05...0.30 xIn

Monitored data

Table 686: PDNSPTOC Monitored data
Name
START_DUR
RATIO_I2_I1
PDNSPTOC

Technical data

Table 687: PDNSPTOC Technical data
Characteristic
Operation accuracy
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics

Phase reversal protection PREVPTOC

Identification

Function description
Phase reversal protection
Step Default
1 20
0.01 0.10
Type Values (Range)
FLOAT32 0.00...100.00
FLOAT32 0.00...999.99
Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured
current: f
±2% of the set value
<70 ms
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n × f
IEC 61850
identification
PREVPTOC
Section 4
Protection functions
Description
Reset delay time
Minimum phase current
Unit Description
% Ratio of start time /
operate time
% Measured current ratio
I2 / I1
Status
±2 Hz
n
, where n = 2, 3, 4, 5,...
n
IEC 60617 ANSI/IEEE C37.2
identification device number
I2>> 46R
753