ABB Relion 670 Series Technical Reference Manual page 809

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