Loss Of Voltage Check Lovptuv - ABB RED670 Product Manual

Line differential protection RED670 2.1 IEC
Product version: 2.1
Table 64. Voltage differential protection VDCPTOV
Function
Voltage difference for alarm and
trip
Under voltage level
Independent time delay for
voltage differential alarm at 0.8 to
1.2 x UDAlarm
Independent time delay for
voltage differential trip at 0.8 to 1.2
x UDTrip
Independent time delay for
voltage differential reset at 1.2 to
0.8 x UDTrip
Table 65. Loss of voltage check LOVPTUV
Function
Operate voltage
Pulse timer when disconnecting
all three phases
Time delay for enabling the
functions after restoration
Operate time delay when
disconnecting all three phases
Time delay to block when all three
phase voltages are not low
Table 66. Radial feeder protection PAPGAPC
Function
Residual current detection
Reset ratio
Operate time, residual current detection at 0 to 2
x I
set
Independent time delay to operate, residual
current detection at 0 to 2 x I
Voltage based phase selection
Reset ratio
Operate time, voltage based phase selection at
1.2 to 0.8 x U
set
Independent time delay to operate, voltage
based phase selection at 1.2 to 0.8 x U
ABB
Range or value
(2.0–100.0) % of UBase
UBase
(1.0–100.0) % of
(0.000–60.000)s
(0.000–60.000)s
(0.000–60.000)s
Range or value
(1–100)% of UBase
(0.050–60.000) s
(0.000–60.000) s
(0.000–60.000) s
(0.000–60.000) s
Range or value
(10 - 150)% of IBase
>95% at (50 - 150)% of IBase
Min. = 15 ms
Max. = 30 ms
(0.000 - 60.000) s
set
(30 - 100)% of UBase
<115%
Min. = 15 ms
Max. = 30 ms
(0.000 – 60.000) s
set
Accuracy
±0.5% of U
r
±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
Accuracy
±0.5% of U
r
±0.2% or ±15 ms whichever is greater
±0.2% or ±35 ms whichever is greater
±0.2% or ±35 ms whichever is greater
±0.2% or ±35 ms whichever is greater
Accuracy
±1.0% of Ir at I ≤ Ir
±1.0% of I at I > Ir
-
-
±0.2% or ±40 ms whichever is greater
±1.0% of U
-
-
±0.2% or ±40 ms whichever is greater
1MRK 505 346-BEN -
r
77