ABB RELION 670 Series Product Manual page 65

Bay control REC670 2.1 IEC
Table 45. Two step overvoltage protection OV2PTOV
Function
Operate voltage, step 1 and 2
Absolute hysteresis
Inverse time characteristics for steps 1 and 2, see
table 145
Definite time delay, low step (step 1) at 0 to 1.2 x U
Definite time delay, high step (step 2) at 0 to 1.2 x U
Minimum operate time, Inverse characteristics
Operate time, start at 0 to 2 x U
Reset time, start at 2 to 0 x U
Operate time, start at 0 to 1.2 x U
Reset time, start at 1.2 to 0 x U
Critical impulse time
Impulse margin time
ABB
set
set
set
set
set
set
M13304-1 v12
Range or value
UBase
(1.0-200.0)% of
UBase
(0.0–50.0)% of
-
(0.00 - 6000.00) s
(0.000-60.000) s
(0.000-60.000) s
Min. = 15 ms
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
Min. = 20 ms
Max. = 35 ms
Min. = 5 ms
Max. = 25 ms
10 ms typically at 0 to 2 x U
set
15 ms typically
1MRK 511 361-BEN D
Accuracy
±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
See table 145
±0.2% or ±45 ms whichever is
greater
±0.2% or ±45 ms whichever is
greater
±0.2% or ±45 ms whichever is
greater
-
-
-
-
-
-
65