ABB Relion REL650 Series Product Manual page 70

Line distance protection REL650
Version 2.2
Table 49. Two step overvoltage protection OV2PTOV
Function
Operate voltage, step 1 and 2
Reset ratio
Inverse time characteristics for steps 1 and
2, see table 163
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, Inverse
characteristics
Operate time, start function
Reset time, start function
Critical impulse time
Impulse margin time
Table 50. Residual overvoltage protection, two steps ROV2PTOV
Function
Operate voltage, step 1
Operate voltage, step 2
Reset ratio
163
Inverse time characteristics for low and
high step, see table
Definite time setting, step 1
Definite time setting, step 2
Minimum operate time for step 1 inverse
characteristic
Critical impulse time
Impulse margin time
70
M13304-1 v15
Range or value
(1.0-200.0)% of UBase
>98%
-
(0.00 - 6000.00) s
(0.000-60.000) s
(0.000-60.000) s
25 ms typically at 0 to 2 x U
30 ms typically at 0 to 2 x U
25 ms typically at 0 to 2 x U
40 ms typically at 2 x U to 0
set
10 ms typically at 0 to 2 x U
set
15 ms typically
M13317-2 v16
Range or value
(1.0-200.0)% of UBase
(1–100)% of UBase
> 98%
-
(0.00–6000.00) s
(0.000–60.000) s
(0.000-60.000) s
10 ms typically at 0 to 1.2 x U
15 ms typically
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Accuracy
±0.5% of U at U ≤ U
r r
±0.5% of U at U > U
r
-
See table 163
±0.5% ±25
±0.5% ±25 ms
±0.5% ±25 ms
-
set
set
-
set
-
-
Accuracy
± 0.5% of U at U ≤ U
r r
± 0.5% of U at U > U
r
± 0.5% of U at U ≤ U
r r
± 0.5% of U at U > U
r
-
See table 163
± 0.5% ± 25 ms
± 0.5% ± 25 ms
± 0.2% ± 25 ms
-
set
-
1MRK 506 384-BEN H
Hitachi Power Grids