EasyManua.ls Logo

ABB Relion 670 series REC670 - Page 47

ABB Relion 670 series REC670
84 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Table 43. Two step residual overvoltage protection ROV2PTOV
Function Range or value Accuracy
Operate voltage, step 1 and step 2 (1-200)% of
UBase
± 0.5% of U
r
at U < U
r
± 1.0% of U at U > U
r
Absolute hysteresis (0–100)% of
UBase
± 0.5% of U
r
at U < U
r
± 1.0% of U at U > U
r
Inverse time characteristics for low and high step, see table 103 - See table 103
Definite time setting, step 1 (0.00–6000.00) s ± 0.5% ± 10 ms
Definite time setting (0.000–60.000) s ± 0.5% ± 10 ms
Minimum operate time (0.000-60.000) s ± 0.5% ± 10 ms
Operate time, start function 25 ms typically at 0 to 2 x U
set
-
Reset time, start function 25 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 44. Voltage differential protection VDCPTOV
Function
Range or value Accuracy
Voltage difference for alarm and
trip
(0.0–100.0) % of
UBase
± 0.5 % of U
r
Under voltage level (0.0–100.0) % of
UBase
± 0.5% of U
r
Timers (0.000–60.000)s ± 0.5% ± 10 ms
Table 45. Loss of voltage check LOVPTUV
Function
Range or value Accuracy
Operate voltage (0–100)% of UBase ± 0.5% of U
r
Pulse timer (0.050–60.000) s ± 0.5% ± 10 ms
Timers (0.000–60.000) s ± 0.5% ± 10 ms
Bay control REC670
1MRK511232-BEN E
Pre-configured
Product version: 1.2
ABB 47

Related product manuals