ABB Relion 670 series - Setting parameters; Technical data; Current reversal and WEI logic for distance protection 3-phase ZCRWPSCH (85)

13.2.5 Setting parameters
Table 426: ZC1PPSCH (85) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation Enable / Disable
Scheme Type Disabled
Intertrip
Permissive UR
Permissive OR
Blocking
- - Permissive UR Scheme type
tCoord 0.000 - 60.000 s 0.001 0.000 Trip coordinate time
tSendMin 0.000 - 60.000 s 0.001 0.100 Minimum duration of Carrier Send signal
13.2.6 Technical data
Table 427: ZC1PPSCH (85) technical data
Function Range or value Accuracy
Scheme type Intertrip
Permissive UR
Permissive OR
Blocking
-
Co-ordination time for blocking
communication scheme
(0.000-60.000) s ± 0.5% ± 10 ms
Minimum duration of a carrier send
signal
(0.000-60.000) s ± 0.5% ± 10 ms
Security timer for loss of carrier
guard detection
(0.000-60.000) s ± 0.5% ± 10 ms
Operation mode of unblocking logic Off
NoRestart
Restart
-
13.3 Current reversal and WEI logic for distance protection
3-phase ZCRWPSCH (85)
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Current reversal and weak-end infeed
logic for distance protection
ZCRWPSCH - 85
1MRK505222-UUS C Section 13
Scheme communication
803
Technical reference manual