M13317-2 v14
Table 53. Two step residual overvoltage protection ROV2PTOV
Function Range or value Accuracy
Operate voltage, step 1 - step 2 (1.0-200.0)% of
UBase
± 0.5% of U
r
at U ≤ U
r
± 0.5% of U at U > U
r
Absolute hysteresis (0.0–50.0)% of
UBase
± 0.5% of U
r
at U ≤ U
r
± 0.5% of U at U > U
r
Inverse time characteristics for low and
high step, see table 165
- See table 165
Definite time delay low step (step 1) at 0
to 1.2 x U
set
(0.00–6000.00) s ± 0.2% or ± 45 ms whichever is greater
Definite time delay high step (step 2) at 0
to 1.2 x U
set
(0.000–60.000) s ± 0.2% or ± 45 ms whichever is greater
Minimum operate time (0.000-60.000) s ± 0.2% or ± 45 ms whichever is greater
Operate time, start at 0 to 2 x U
set
Min. = 15 ms
Max. = 30 ms
-
Reset time, start at 2 x U
set
to 0 Min. = 15 ms
Max. = 30 ms
-
Operate time, start at 0 to 1.2 x U
set
Min. = 20 ms
Max. = 35 ms
-
Reset time, start at 1.2 x U
set
to 0 Min. = 5 ms
Max. = 25 ms
-
Critical impulse time 10 ms typically at 0 to 2 x U
set
-
Impulse margin time 15 ms typically -
SEMOD166919-2 v7
Table 54. Voltage differential protection VDCPTOV
Function Range or value Accuracy
Voltage difference for alarm and trip (2.0–100.0) % of
UBase
±0.5% of U
r
Under voltage level (1.0–100.0) % of
UBase
±0.5% of U
r
Independent time delay for voltage
differential alarm at 0.8 x UDAlarm to 1.2 x
UDAlarm
(0.000–60.000)s ±0.2% or ±40 ms whichever is greater
Independent time delay for voltage
differential trip at 0.8 x UDTrip to 1.2 x
UDTrip
(0.000–60.000)s ±0.2% or ±40 ms whichever is greater
Independent time delay for voltage
differential reset at 1.2 x UDTrip to 0.8 x
UDTrip
(0.000–60.000)s ±0.2% or ±40 ms whichever is greater
1MRK 511 404-BEN A
Product version: 2.2.1
72 ABB
To Next Page
Loading...
