ABB REC650 - Page 83

Table 38. Two step residual overvoltage protection ROV2PTOV (59N)
Function Range or value Accuracy
Operate voltage, step 1 (1-200)% of VBase ± 0.5% of V
n
at V < V
n
± 0.5% of V at V > V
n
Operate voltage, step 2 (1–100)% of VBase ± 0.5% of V
n
at V < V
n
± 0.5% of V at V > V
n
Reset ratio >95% -
Inverse time characteristics for low and
high step, see table 75
- See table 75
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, pickup function 30 ms typically at 0 to 2 x V
set
-
Reset time, pickup function 40 ms typically at 2 to 0 x V
set
-
Critical impulse time 10 ms typically at 0 to 1.2 xV
set
-
Impulse margin time 15 ms typically -
Table 39. Loss of voltage check LOVPTUV (27)
Function
Range or value Accuracy
Operate voltage (0–100)% of VBase ± 0.5% of V
n
Reset ratio <105% -
Pulse timer (0.050–60.000) s ± 0.5% ± 25 ms
Timers (0.000–60.000) s ± 0.5% ± 25 ms
Bay control REC650 ANSI 1MRK 511 265-BUS B
Product version: 1.2
ABB 83