ABB REC650 - Page 82

Voltage protection
Table 36. Two step undervoltage protection UV2PTUV (27)
Function Range or value Accuracy
Operate voltage, low and high step (1–100)% of VBase ± 0.5% of V
n
Reset ratio <105% -
Inverse time characteristics for low and
high step, see table 74
- See table 74
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, pickup function 30 ms typically at 1.2 to 0.5 x V
set
-
Reset time, pickup function 40 ms typically at 0.5 to 1.2 xV
set
-
Critical impulse time 10 ms typically at 1.2 to 0.8 x V
set
-
Impulse margin time 15 ms typically -
Table 37. Two step overvoltage protection OV2PTOV (59)
Function
Range or value Accuracy
Operate voltage, low and high step (1-200)% 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 73
- See table 73
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, 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 2 x V
set
-
Impulse margin time 15 ms typically -
Bay control REC650 ANSI 1MRK 511 265-BUS B
Product version: 1.2
82 ABB