ABB REQ650 - Setting of Voltage Channels and Examples

Table 40. Two step overvoltage protection OV2PTOV
Function Range or value Accuracy
Operate voltage, low and high step (1-200)% of UBase ± 0.5% of U
r
at U < U
r
± 0.5% of U at U > U
r
Reset ratio >95% -
Inverse time characteristics for low
and high step, see table 76
- See table 76
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 41. 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 >95% -
Inverse time characteristics for low
and high step, see table 78
- See table 78
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 -
Breaker protection REQ650 1MRK 505 283-BEN -
Product version: 1.2
ABB 71