ABB RELION 670 Series Product Manual page 70

Bay control REC670 2.1 IEC
Multipurpose protection
Table 53. General current and voltage protection CVGAPC
Function
Measuring current input
Measuring voltage input
Start overcurrent, step 1 - 2
Start undercurrent, step 1 - 2
Independent time delay, overcurrent at 0 to 2 x I
Independent time delay, undercurrent at 2 to 0 x I
2
Overcurrent (non-directional):
Start time at 0 to 2 x I
set
Reset time at 2 to 0 x I
set
Start time at 0 to 10 x I
set
Reset time at 10 to 0 x I
set
Undercurrent:
Start time at 2 to 0 x I
set
Reset time at 0 to 2 x I
set
Overcurrent:
Inverse time characteristics, see table 142,
Overcurrent:
Minimum operate time for inverse curves, step 1 - 2
Voltage level where voltage memory takes over
Start overvoltage, step 1 - 2
Start undervoltage, step 1 - 2
70
M13095-2 v7
Range or value
phase1, phase2, phase3, PosSeq, -
NegSeq, -3*ZeroSeq, MaxPh, MinPh,
UnbalancePh, phase1-phase2, phase2-
phase3, phase3-phase1, MaxPh-Ph,
MinPh-Ph, UnbalancePh-Ph
phase1, phase2, phase3, PosSeq, -
NegSeq, -3*ZeroSeq, MaxPh, MinPh,
UnbalancePh, phase1-phase2, phase2-
phase3, phase3-phase1, MaxPh-Ph,
MinPh-Ph, UnbalancePh-Ph
(2 - 5000)% of IBase
(2 - 150)% of IBase
, step 1 - 2 (0.00 - 6000.00) s
set
, step 1 - (0.00 - 6000.00) s
set
Min. = 15 ms
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
Min. = 5 ms
Max. = 20 ms
Min. = 20 ms
Max. = 35 ms
Min. = 15 ms
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
143 and table 144 16 curve types
(0.00 - 6000.00) s
(0.0 - 5.0)% of UBase
(2.0 - 200.0)% of UBase
(2.0 - 150.0)% of UBase
1MRK 511 361-BEN D
Accuracy
-
-
±1.0% of I at I ≤ I
r r
±1.0% of I at I > I
r
±1.0% of I at I ≤ I
r r
±1.0% of I at I > I
r
±0.2% or ±35 ms whichever is
greater
±0.2% or ±35 ms whichever is
greater
-
-
-
-
-
-
See table 142, 143 and table
144
±0.2% or ±35 ms whichever is
greater
±0.5% of U
r
±0.5% of U at U ≤ U
r r
±0.5% of U at U > U
r
±0.5% of U at U ≤ U
r r
±0.5% of U at U > U
r
ABB