ABB REC670 Product Manual page 52

Bay control REC670
Pre-configured
Product version: 1.1
Voltage protection
Table 38. Two step undervoltage protection UV2PTUV
Function
Operate voltage, low and
high step
Absolute hysteresis
Internal blocking level, low
and high step
Inverse time characteristics
for low and high step, see
table 91
Definite time delays
Minimum operate time,
inverse characteristics
Operate time, start function
Reset time, start function
Critical impulse time
Impulse margin time
Table 39. Two step overvoltage protection OV2PTOV
Function
Operate voltage, low and
high step
Absolute hysteresis
Inverse time characteristics
for low and high step, see
table 92
Definite time delays
Minimum operate time,
Inverse characteristics
Operate time, start function
Reset time, start function
Critical impulse time
Impulse margin time
52
Range or value
(1–100)% of UBase
(0–100)% of UBase
(1–100)% of UBase
-
(0.000-60.000) s
(0.000–60.000) s
25 ms typically at 2 to 0.5 x U
25 ms typically at 0 to 2 x U
10 ms typically at 2 to 0 x U
15 ms typically
Range or value
(1-200)% of Ubase
(0–100)% of U
base
-
(0.000-60.000) s
(0.000-60.000) s
25 ms typically at 0 to 2 x U
25 ms typically at 2 to 0 x U
10 ms typically at 0 to 2 x U
15 ms typically
1MRK 511 192-BEN B
Issued: June 2010
Accuracy
± 1.0% of U
r
± 1.0% of U
r
± 1.0% of U
r
See table 91
± 0.5% ±10 ms
± 0.5% ± 10 ms
-
set
-
set
-
set
-
Accuracy
± 1.0% of U at U < U
r
± 1.0% of U at U > U
± 1.0% of U at U < U
r
± 1.0% of U at U > U
See table 92
± 0.5% ± 10 ms
± 0.5% ± 10 ms
-
set
-
set
-
set
-
r
r
r
r
ABB