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Table 35. Two step residual overvoltage protection ROV2PTOV
Function
Range or value
Accuracy
Operate voltage, step 1
(1-200)% of
UBase
± 0.5% of U
r
at U < U
r
± 0.5% of U at U > U
r
Operate voltage, step 2
(1–100)% 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
-
Definite time setting, step 1
(0.00–6000.00) s
± 0.5% ± 25 ms
Definite time setting, step 2
(0.000–60.000) s
± 0.5% ± 25 ms
Minimum operate time for
step 1 inverse characteristic
(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
-
Table 36. Loss of voltage check LOVPTUV
Function
Range or value
Accuracy
Operate voltage
(0–100)% of UBase
± 0.5% of U
r
Reset ratio
<105%
-
Pulse timer
(0.050–60.000) s
± 0.5% ± 25 ms
Timers
(0.000–60.000) s
± 0.5% ± 25 ms
Bay control REC650
1MRK 511 249-BEN -
Product version: 1.1
Issued: February 2011
60
ABB
Summary of Contents for REC650 ANSI
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