ABB Relion REL650 Series Product Manual page 83

Line distance protection REL650
Version 2.2
Table 66. Scheme communication logic for residual overcurrent protection ECPSCH
Function
Scheme type
Communication scheme
coordination time
Minimum duration of a send
signal
Security timer for loss of carrier
guard detection
Table 67. Local acceleration logic ZCLCPSCH
Function
Operate current, LoadCurr
Operate current, MinCurr
Delay time on pick-up for current release
Delay time on drop-off for current release
Delay time on pick-up for MinCurr value
Table 68. Current reversal and weak-end infeed logic for residual overcurrent protection ECRWPSCH
Function
Operate mode of WEI logic
Operate time for current reversal
logic
Delay time for current reversal
Coordination time for weak-end
infeed logic
Hitachi Power Grids
Range or value
Off
Intertrip
Permissive UR
Permissive OR
Blocking
(0.000-60.000) s
(0.000-60.000) s
(0.000-60.000) s
GUID-CC9A02C2-AAE8-4B8C-A091-D4ED584A2EA7 v1
Range or value
(1–100)% of IBase
(1–100)% of IBase
(0.000–60.000) s
(0.000–60.000) s
(0.000–60.000) s
M16051-2 v11
Range or value
Off
Echo
Echo & Trip
(5-70)% of UBase
(0.000-60.000) s
(0.000-60.000) s
(0.000–60.000) s
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Accuracy
-
±0.5% ±25 ms
±0.5% ±25 ms
±0.5% ±25 ms
Accuracy
±1.0% of I
r
±1.0% of I
r
±0.2% or ±35 ms whichever is greater
±0.2% or ±35 ms whichever is greater
±0.2% or ±35 ms whichever is greater
Accuracy
-
±1.00.5% of U
r
±0.2% or ±25 ms whichever is greater
±0.2% or ±25 ms whichever is greater
±0.2% or ±25 ms whichever is greater
1MRK 506 384-BEN H
83