Settings - ABB RELION REX640 Technical Manual

Section 5
Protection related functions
5.12.8
Table 1094: CRWPSCH Non group settings (Basic)
Parameter
Operation
Reversal mode
Wei mode
PhV level for Wei
PPV level for Wei
Reversal time
Reversal reset time
Wei Crd time
5.12.9
5.12.10
1176

Settings

Values (Range) Unit
1=on
5=off
1=Off
2=On
1=Off
3=Echo
4=Echo and
Operate
0.10...0.90 xUn
0.10...0.90 xUn
0...60000 ms
0...60000 ms
0...60000 ms
Monitored data
Table 1095: CRWPSCH Monitored data
Name
CRWPSCH
Technical data
Table 1096: CRWPSCH Technical data
Characteristic
Operation accuracy
Operate time accuracy
Step Default
1=on
1=Off
1=Off
0.01 0.70
0.01 0.70
10 20
10 60
10 10
Type Values (Range)
Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
Value
At the frequency f = f
±1.5% of the set value or ±0.002 × U
±1.0% of the set value or ±20 ms
1MRS759142 C
Description
Operation Off / On
Operating mode of Current Reversal
Logic
Operating mode of WEI logic
Phase to Neutral voltage for detection of
fault condition
Phase to Phase voltage for detection of
fault condition
Pickup time for current reversal logic
Time Delay to prevent Carrier send and
local trip
Coordination time for the WEI logic
Unit Description
Status
n
Technical Manual
n
REX640