ABB RELION RED670 Series Product Manual page 96

Line differential protection RED670 2.2
Product version: 2.2
Table 70. 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
Table 71. 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 72. 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
set
Voltage based phase selection
Reset ratio
Operate time, voltage-based phase selection
at 1.2 x U to 0.8 x U
set set
Independent time delay to operate, voltage-
based phase selection at 1.2 x U
U
set
96
SEMOD166919-2 v7
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
SEMOD175210-2 v6
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
GUID-C172D5EB-51E8-4FC9-B2E7-EF976872FD7E v6
Range or value
(10 - 150)% of IBase
>95% at (50 - 150)% of IBase
Min. = 15 ms
Max. = 30 ms
(0.000 - 60.000) s
(30 - 100)% of UBase
<115%
Min. = 15 ms
Max. = 30 ms
(0.000 – 60.000) s
to 0.8 x
set
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
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
1MRK 505 379-BEN C
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
r
-
-
±0.2% or ±40 ms whichever is greater
ABB