ABB Relion 670 Series Product Manual page 50

Busbar protection REB670
Customized
Product version: 1.2
Table 40. General current and voltage protection CVGAPC , continued
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
50
Range or value
(-180 to +180) degrees
(1 to 90) degrees
> 95%
< 105%
> 95%
< 105%
10 ms typically at 0 to 2 x I
set
15 ms typically
10 ms typically at 2 to 0 x I
set
15 ms typically
10 ms typically at 0 to 2 x U
set
15 ms typically
10 ms typically at 2 to 0 x U
set
15 ms typically
1MRK505273-BEN D
Accuracy
± 2.0 degrees
± 2.0 degrees
-
-
-
-
-
-
-
-
-
-
-
-
ABB