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
Содержание Relion 670 series REC670
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