ABB REL650 Product Manual page 64

Line distance protection REL650 ANSI
Product version: 1.3
Table 62. Current reversal and WEI logic for distance protection, phase segregated ZCWSPSCH (85)
Function
Operating mode of WEI logic
Detection level, 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
Table 63. Local acceleration logic ZCLCPLAL
Function
Operate load current, LoadCurr
Operate current, MinCurr
Timers
Table 64. Scheme communication logic for residual overcurrent protection ECPSCH (85)
Function
Scheme type
Communication scheme
coordination time
Minimum duration of a send signal
Security timer for loss of carrier
guard detection
Table 65. Current reversal and weak-end infeed logic for residual overcurrent protection ECRWPSCH (85)
Function
Operating mode of WEI logic
Operate voltage 3V for WEI trip
o
Operate time for current reversal
logic
Delay time for current reversal
Coordination time for weak-end
infeed logic
64
Range or value
Disablee
Echo
Echo & Trip
VBase
(10-90)% of
<105%
(0.000-60.000) s
(0.000-60.000) s
(0.000-60.000) s
Range or value
(1–100)% of IBase
(1–100)% of IBase
(0.000–60.000) s
Range or value
Disabled
Intertrip
Permissive UR
Permissive OR
Blocking
(0.000-60.000) s
(0.000-60.000) s
(0.000-60.000) s
Range or value
Disabled
Echo
Echo & Trip
(5-70)% of VBase
(0.000-60.000) s
(0.000-60.000) s
(0.000–60.000) s
Accuracy
-
± 0.5% of V
-
± 0.5% ± 10 ms
± 0.5% ± 10 ms
± 0.5% ± 10 ms
Accuracy
± 1.0% of I
n
± 1.0% of I
n
± 0.5% ± 10 ms
Accuracy
-
± 0.5% ± 25 ms
± 0.5% ± 25 ms
± 0.5% ± 25 ms
Accuracy
-
± 1.0% of Vn
± 0.5% ± 25 ms
± 0.5% ± 25 ms
± 0.5% ± 25 ms
1MRK 506 337-BUS B
n
ABB