ABB REC670 Product Manual page 72
Bay control version 2.2
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Also See for REC670:
- Applications manual (658 pages) ,
- Commissioning manual (218 pages) ,
- Operator's manual (116 pages)
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Bay control REC670 2.2
Product version: 2.2.1
Table 53. Two step residual overvoltage protection ROV2PTOV
Function
Operate voltage, step 1 - step 2
Absolute hysteresis
Inverse time characteristics for low and
high step, see table
165
Definite time delay low step (step 1) at 0
to 1.2 x U
set
Definite time delay high step (step 2) at 0
to 1.2 x U
set
Minimum operate time
Operate time, start at 0 to 2 x U
Reset time, start at 2 x U
to 0
set
Operate time, start at 0 to 1.2 x U
Reset time, start at 1.2 x U
set
Critical impulse time
Impulse margin time
Table 54. Voltage differential protection VDCPTOV
Function
Voltage difference for alarm and trip
Under voltage level
Independent time delay for voltage
differential alarm at 0.8 x UDAlarm to 1.2 x
UDAlarm
Independent time delay for voltage
differential trip at 0.8 x UDTrip to 1.2 x
UDTrip
Independent time delay for voltage
differential reset at 1.2 x UDTrip to 0.8 x
UDTrip
72
Range or value
(1.0-200.0)% of
(0.0–50.0)% of
UBase
-
(0.00–6000.00) s
(0.000–60.000) s
(0.000-60.000) s
Min. = 15 ms
set
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
Min. = 20 ms
set
Max. = 35 ms
to 0
Min. = 5 ms
Max. = 25 ms
10 ms typically at 0 to 2 x U
15 ms typically
Range or value
(2.0–100.0) % of
(1.0–100.0) % of
(0.000–60.000)s
(0.000–60.000)s
(0.000–60.000)s
M13317-2 v14
Accuracy
UBase
± 0.5% of U
± 0.5% of U at U > U
± 0.5% of U
± 0.5% of U at U > U
See table
165
± 0.2% or ± 45 ms whichever is greater
± 0.2% or ± 45 ms whichever is greater
± 0.2% or ± 45 ms whichever is greater
-
-
-
-
-
set
-
SEMOD166919-2 v7
Accuracy
UBase
±0.5% of U
r
UBase
±0.5% of U
r
±0.2% or ±40 ms whichever is greater
±0.2% or ±40 ms whichever is greater
±0.2% or ±40 ms whichever is greater
1MRK 511 404-BEN A
at U ≤ U
r
r
r
at U ≤ U
r
r
r
ABB
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