ABB RELION RED670 Series Product Manual page 100

Line differential protection RED670 2.2
Product version: 2.2
Table 76. 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 , step 1 - 2
set
Independent time delay, undercurrent at
2 x I to 0, step 1 - 2
set
Overcurrent (non-directional):
Start time at 0 to 2 x I
set
Reset time at 2 x I to 0
set
Start time at 0 to 10 x I
set
Reset time at 10 x I to 0
set
Undercurrent:
Start time at 2 x I to 0
set
Reset time at 0 to 2 x I
set
Overcurrent:
Inverse time characteristics, see table
183, 185 and table 187
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
100
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
(0.00 - 6000.00) s
(0.00 - 6000.00) s
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
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
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 183, 185 and table
±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
1MRK 505 379-BEN C
187
ABB