ABB Relion 670 series REC670, Руководство по эксплуатации продукта

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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
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