ABB REC650 ANSI, Product Manual

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Voltage protection
Table 33. Two step undervoltage protection UV2PTUV
Function Range or value Accuracy
Operate voltage, low and
high step (1–100)% of UBase ± 0.5% of U
r
Reset ratio <105% -
Inverse time characteristics
for low and high step, see
table
69
- See table 69
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 2 to 0.5 x U
set
-
Reset time, start function 40 ms typically at 0.5 to 2 x U
set
-
Critical impulse time 10 ms typically at 2 to 0 x U
set
-
Impulse margin time 15 ms typically -
Table 34. 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
68
- See table 68
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 -
Bay control REC650 1MRK 511 249-BEN -
Product version: 1.1 Issued: February 2011
ABB 59