ABB Relion 670 series, Technical Reference Manual

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Name Type Description
IRVOP_B BOOLEAN Operation of current reversal logic in Phase B
IRVOP_C BOOLEAN Operation of current reversal logic in Phase C
ECHO BOOLEAN Carrier Send by WEI logic
ECHO_A BOOLEAN Carrier Send by WEI logic in Phase A
ECHO_B BOOLEAN Carrier Send by WEI logic in Phase B
ECHO_C BOOLEAN Carrier Send by WEI logic in Phase C
13.7.5 Setting parameters
Table 446: ZC1WPSCH (85) Group settings (basic)
Name Values (Range) Unit Step Default Description
VBase 0.05 - 2000.00 kV 0.05 400.00 Base setting for Voltage level
OperCurrRev 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
OperationWEI Disabled
Echo
Echo & Trip
- - Disabled Operating mode of WEI logic
VPGPickup 10 - 90 %VB 1 70 Phase to Ground voltage for detection of fault
condition
PU27PP 10 - 90 %VB 1 70 Phase to Phase voltage for detection of fault
condition
tPickUpWEI 0.000 - 60.000 s 0.001 0.010 Coordination time for the WEI logic
13.7.6 Technical data
Table 447: ZC1WPSCH technical data
Function Range or value Accuracy
Detection pickup phase to
neutral voltage
(10-90)% of VBase ± 0.5% of V
n
Detection pickup phase to phase
voltage
(10-90)% of VBase ± 0.5% of V
n
Reset ratio <105% -
Operate time for current reversal (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
1MRK505222-UUS C
Section 13
Scheme communication
827
Technical reference manual