ABB Relion 670 series Product Manual page 54

Line distance protection REL670 ANSI
Pre-configured
Product version: 1.2
Table 41. Two step residual overvoltage protection ROV2PTOV (59N)
Function
Operate voltage, low and high step
Absolute hysteresis
Inverse time characteristics for low and
high step, see table 88
Definite time setting
Minimum operate time
Operate time, pickup function
Reset time, pickup function
Critical impulse time
Impulse margin time
Table 42. Loss of voltage check LOVPTUV (27)
Function
Operate voltage
Pulse timer
Timers
54
Range or value
VBase
(1-200)% of
(0–100)% of VBase
-
(0.000–60.000) s
(0.000-60.000) s
25 ms typically at 0 to 2 x V
25 ms typically at 2 to 0 x V
10 ms typically at 0 to 2 x V
15 ms typically
Range or value
(0–100)% of VBase
(0.050–60.000) s
(0.000–60.000) s
1MRK 506 317-BUS A
Accuracy
± 0.5% of V
n
± 1.0% of V at V > V
± 0.5% of V
n
± 1.0% of V at V > V
See table 88
± 0.5% ± 10 ms
± 0.5% ± 10 ms
-
set
-
set
-
set
-
Accuracy
± 0.5% of V
n
± 0.5% ± 10 ms
± 0.5% ± 10 ms
at V < V
n
n
at V < V
n
n
ABB