ABB Relion 670 Series Technical Reference Manual page 828

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