ABB Relion 670 series REC670 - Page 50

Table 49. General current and voltage protection CVGAPC , continued
Function Range or value Accuracy
Relay characteristic angle (-180 to +180) degrees ± 2.0 degrees
Relay operate angle (1 to 90) degrees ± 2.0 degrees
Reset ratio, overcurrent > 95% -
Reset ratio, undercurrent < 105% -
Reset ratio, overvoltage > 95% -
Reset ratio, undervoltage < 105% -
Overcurrent:
Critical impulse time 10 ms typically at 0 to 2 x I
set
-
Impulse margin time 15 ms typically -
Undercurrent:
Critical impulse time 10 ms typically at 2 to 0 x I
set
-
Impulse margin time 15 ms typically -
Overvoltage:
Critical impulse time 10 ms typically at 0 to 2 x U
set
-
Impulse margin time 15 ms typically -
Undervoltage:
Critical impulse time 10 ms typically at 2 to 0 x U
set
-
Impulse margin time 15 ms typically -
Bay control REC670
1MRK511232-BEN E
Pre-configured
Product version: 1.2
50 ABB