Settings - ABB RELION REX640 Technical Manual

Section 5
Protection related functions
5.3.7
Table 1020: TRPPTRC Non group settings (Basic)
Parameter
Operation
Trip pulse time
Trip output mode
5.3.8
5.4
5.4.1
5.4.2
5.4.3
1082

Settings

Values (Range) Unit
1=on
5=off
20...60000 ms
1=Non-latched
2=Latched
3=Lockout
Monitored data
Table 1021: TRPPTRC Monitored data
Name
TRPPTRC
High-impedance fault detection PHIZ
Identification
Function description
High-impedance fault detection
Function block
GUID-3E06C72F-CB69-4CD7-8700-13CC1CE8DC54 V1 EN
Figure 582: Function block
Functionality
A small percentage of earth faults have a very large impedance. They are comparable
to load impedance and consequently have very little fault current. These high-
Step Default
1=on
1 250
1=Non-latched
Type Values (Range)
Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
IEC 61850
identification
PHIZ
1MRS759142 C
Description
Operation Off / On
Minimum duration of trip output signal
Select the operation mode for trip output
Unit Description
Status
IEC 60617 ANSI/IEEE C37.2
identification device number
HIF HIZ
Technical Manual
REX640