ABB REG650 Product Manual page 49

Generator protection relion 650 series
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Generator protection REG650
Product version: 1.3
Table 43. Two step overvoltage protection OV2PTOV
Function
Operate voltage, step 1 and 2
Reset ratio
Inverse time characteristics for steps 1 and 2, see table
Definite time delay, step 1
Definite time delays, step 2
Minimum operate time, Inverse characteristics
Operate time, start function
Reset time, start function
Critical impulse time
Impulse margin time
Table 44. Two step residual overvoltage protection ROV2PTOV
Function
Operate voltage, step 1
Operate voltage, step 2
Reset ratio
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
Operate time, start function
Reset time, start function
Critical impulse time
Impulse margin time
ABB
Range or value
(1-200)% of
UBase
>98%
77
-
(0.00 - 6000.00) s
(0.000-60.000) s
(0.000-60.000) s
30 ms typically at 0 to 2 x U
40 ms typically at 2 to 0 x U
10 ms typically at 0 to 2 x U
15 ms typically
Range or value
UBase
(1-200)% of
UBase
(1–100)% of
> 98%
79
-
(0.00–6000.00) s
(0.000–60.000) s
(0.000-60.000) s
30 ms typically at 0 to 2 x U
40 ms typically at 2 to 0 x U
10 ms typically at 0 to 1.2 xU
15 ms typically
1MRK 502 050-BEN B
Accuracy
± 0.5% of U
at U < U
r
± 0.5% of U at U > U
-
See table
77
± 0.5% ± 25 ms
± 0.5% ± 25 ms
± 0.5% ± 25 ms
-
set
-
set
-
set
-
Accuracy
± 0.5% of U
at U < U
r
± 0.5% of U at U > U
± 0.5% of U
at U < U
r
± 0.5% of U at U > U
-
See table
79
± 0.5% ± 25 ms
± 0.5% ± 25 ms
± 0.5% ± 25 ms
-
set
-
set
-
set
-
r
r
r
r
r
r
49

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