ABB REC670 Product Manual page 86

Bay control REC670 2.2
Product version: 2.2.1
Scheme communication
Table 67. Scheme communication logic with delta based blocking scheme signal transmit ZCPSCH
Function
Scheme type
Operate voltage, Delta U
Operate current, Delta I
Operate zero sequence voltage,
Delta 3U0
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 68. Current reversal and weak-end infeed logic for distance protection ZCRWPSCH
Function
Detection level phase-to-neutral
voltage
Detection level phase-to-phase
voltage
Operate time for current reversal
logic
Delay time for current reversal
Coordination time for weak-end
infeed logic
Table 69. Scheme communication logic for residual overcurrent protection ECPSCH
Function
Scheme type
Communication scheme
coordination time
86
M16038-1 v14
Range or value
Off
Intertrip
Permissive UR
Permissive OR
Blocking
DeltaBlocking
(0–100)% of UBase
(0–200)% of IBase
(0–100)% of UBase
(0–200)% of IBase
(0.000-60.000) s
(0.000-60.000) s
(0.000-60.000) s
Off
NoRestart
Restart
M16039-1 v16
Range or value
(10-90)% of UBase
(10-90)% of UBase
(0.000-60.000) s
(0.000-60.000) s
(0.000-60.000) s
M16049-1 v10
Range or value
Permissive Underreaching
Permissive Overreaching
Blocking
(0.000-60.000) s
Accuracy
-
±5.0% of ΔU
±5.0% of ΔI
±10.0% of Δ3U0
±10.0% of Δ3I0
±0.2% or ±15 ms whichever is greater
±0.2% or ±45 ms whichever is greater
±0.2% or ±15 ms whichever is greater
-
Accuracy
±0.5% of U
r
±0.5% of U
r
±0.2% or ±15 ms whichever is greater
±0.2% or ±15 ms whichever is greater
±0.2% or ±15 ms whichever is greater
Accuracy
-
±0.2% or ±20 ms whichever is greater
1MRK 511 404-BEN A
ABB