ABB Relion 670 series, Technical Reference Manual

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13.6.5 Setting parameters
Table 442: ECRWPSCH (85) Group settings (basic)
Name Values (Range) Unit Step Default Description
CurrRev Disabled
Enabled
- - Disabled Operating mode of Current Reversal Logic
tPickUpRev 0.000 - 60.000 s 0.001 0.020 Pickup time for current reversal logic
tDelayRev 0.000 - 60.000 s 0.001 0.060 Time Delay to prevent Carrier send and local
trip
WEI Disabled
Echo
Echo & Trip
- - Disabled Operating mode of WEI logic
tPickUpWEI 0.000 - 60.000 s 0.001 0.000 Coordination time for the WEI logic
VBase 0.05 - 2000.00 kV 0.05 400.00 Base setting for voltage level
3V0PU 5 - 70 %VB 1 25 Neutral voltage setting for fault conditions
measurement
13.6.6 Technical data
Table 443: ECRWPSCH (85) technical data
Function Range or value Accuracy
Operating mode of WEI logic Disabled
Echo
Echo & Trip
-
Operate voltage 3V
o
for WEI trip (5-70)% of VBase ± 0.5% of Vn
Reset ratio >95% -
Operate time for current reversal
logic
(0.000-60.000) s ± 0.5% ± 10 ms
Delay time for current reversal (0.000-60.000) s ± 0.5% ± 10 ms
Coordination time for weak-end
infeed logic
(0.000–60.000) s ± 0.5% ± 10 ms
13.7 Current reversal and weak-end infeed logic for phase
segregated communication ZC1WPSCH (85)
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Current reversal and weak-end infeed
logic for phase segregated
communication
ZC1WPSCH - 85
Section 13
1MRK505222-UUS C
Scheme communication
822
Technical reference manual