ABB REL650 Product Manual page 63

Line distance protection REL650 ANSI
Product version: 1.3
Scheme communication
Table 60. Scheme communication logic for distance or overcurrent protection ZCPSCH (85)
Function
Scheme type
Operate voltage, Delta V
Operate current, Delta I
Operate zero sequence voltage,
Delta 3V0
Operate zero sequence current,
Delta 3I0
Co-ordination time for blocking
communication scheme
Minimum duration of a carrier send
signal
Security timer for loss of guard signal
detection
Operation mode of unblocking logic
Table 61. Current reversal and WEI logic for distance protection, 3-phase ZCRWPSCH (85)
Function
Operating mode of WEI logic
Detection pickup phase-to-phase
and phase-to-neutral voltage
Reset ratio
Operate time for current reversal
logic
Delay time for current reversal
Coordination time for weak-end
infeed logic
ABB
Range or value
Disabled
Intertrip
Permissive UR
Permissive OR
Blocking
DeltaBlocking
(0–100)% of VBase
(0–200)% of IBase
(0–100)% of VBase
(0–200)% of IBase
(0.000-60.000) s
(0.000-60.000) s
(0.000-60.000) s
Disabled
NoRestart
Restart
Range or value
Disabled
Echo
Echo & Trip
(10-90)% of VBase
<105%
(0.000-60.000) s
(0.000-60.000) s
(0.000-60.000) s
Accuracy
-
± 5.0% of ΔV
± 5.0% of ΔI
± 10.0% of Δ3V0
± 10.0% of Δ3I0
± 0.5% ± 10 ms
± 0.5% ± 10 ms
± 0.5% ± 10 ms
-
Accuracy
-
± 0.5% of Vn
-
± 0.5% ± 10 ms
± 0.5% ± 10 ms
± 0.5% ± 10 ms
1MRK 506 337-BUS B
63