ABB REL670 Product Manual page 86

Line distance protection REL670 2.2
Product version: 2.2
Table 68. 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 69. 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 70. 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
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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
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
(30 - 100)% of UBase
<115%
Min. = 15 ms
Max. = 30 ms
(0.000 – 60.000) s
to 0.8 x U
set 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 506 372-BEN -
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