ABB Relion 670 Series Product Manual page 78

Line differential protection RED670 2.0
Product version: 2.0
Table 65. General current and voltage protection CVGAPC , continued
Function
Independent time delay, undervoltage at 1.2 to 0.8 x U
2
Overvoltage:
Start time at 0.8 to 1.2 x U
set
Reset time at 1.2 to 0.8 x U
set
Undervoltage:
Start time at 1.2 to 0.8 x U
set
Reset time at 1.2 to 0.8 x U
set
Overvoltage:
Inverse time characteristics, see table
Undervoltage:
Inverse time characteristics, see table
High and low voltage limit, voltage dependent operation, step 1 - 2
Directional function
Relay characteristic angle
Relay operate angle
Reset ratio, overcurrent
Reset ratio, undercurrent
Reset ratio, overvoltage
Reset ratio, undervoltage
Overcurrent:
Critical impulse time
Impulse margin time
Undercurrent:
Critical impulse time
Impulse margin time
Overvoltage:
Critical impulse time
Impulse margin time
Undervoltage:
Critical impulse time
Impulse margin time
78
Range or value
, step 1 - (0.00 - 6000.00) s
set
Min. = 15 ms
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
134 4 curve types
135 3 curve types
(1.0 - 200.0)% of UBase
Settable: NonDir, forward and reverse
(-180 to +180) degrees
(1 to 90) degrees
> 95%
< 105%
> 95%
< 105%
10 ms typically at 0 to 2 x I
15 ms typically
10 ms typically at 2 to 0 x I
15 ms typically
10 ms typically at 0.8 to 1.2 x U
15 ms typically
10 ms typically at 1.2 to 0.8 x U
15 ms typically
1MRK505310-BEN C
Accuracy
±0.2% or ±35 ms whichever is
greater
-
-
-
-
See table 134
See table 135
±1.0% of U
r
±1.0% of U at U > U
-
±2.0 degrees
±2.0 degrees
-
-
-
-
-
set
-
-
set
-
-
set
-
-
set
-
at U ≤ U
r
r
ABB