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